- dovecot - dovecot.org

Re: High availability of Dovecot
by Gerald Galster 12 Apr '19

12 Apr '19

> Am 11.04.2019 um 11:48 schrieb luckydog xf <luckydogxf(a)gmail.com>: > > As your statement, nothing speical is needed to do except setting up DNS MX records, right? MX records are for incoming MAIL: yourdomain.com <http://yourdomain.com/> IN MX 100 mail1.yourdomain.com <http://server1.yourdomain.com/> yourdomain.com <http://yourdomain.com/> IN MX 100 mail2.yourdomain.com <http://mail2.yourdomain.com/> -> both priority 100 = 50/50 load balancing (globally, not when checked on a single resolver!) Then you need A Records (AAAA for ipv6) mail1.yourdomain.com IN A 192.168.10.1 mail2.yourdomain.com <http://mail2.yourdomain.com/> IN A 192.168.20.1 mail.yourdomain.com IN A 192.168.10.1 mail.yourdomain.com IN A 192.168.20.1 mail1/mail2 is for direct connection (MTAs) Your users (outlook, thunderbird, ...) connect to mail.yourdomain.com <http://mail.yourdomain.com/> which returns the two ip addresses. In this scenario MUA just connects to mail.yourdomain.com <http://mail.yourdomain.com/> and randomly uses one of the two ips. You can't control which one, but this gives you active/active loadbalancing. In case one server is down the MUA just uses the other ip. dsync replicates bi-directionally so that both servers are up-to-date. You don't need shared storage, every server is a copy of the other. If you want to use shared storage, then dsync is not for you because there is nothing to sync at that stage. I would use shared storage only if you need to have more than two servers. The above setup has no locking problems and is performant due to local filesystems. It depends on how many users you have and how much storage you need. You could buy two 2HE servers with 24 2.5" disks each (up to 96 with 4 HE), which may be sufficient for your needs. > User's mail store is running on shared storage, basically user's MUA connects to primary MX , the backup one is used once Primary is down. If you're not using Maildir beware of locking issues with concurrent access. It could crash indices. > It's a native HA of email system? I'll test those solution out. Yes, it works well with small setups. For big setups you'd typically use dovecot director, shared storage, object storage ... but you need more servers and it is way more complex and expensive. Best regards Gerald

3 3

failed: read(/var/run/dovecot/dns-client)
by Laura Smith 12 Apr '19

12 Apr '19

=== dsync(foobar(a)example.com): Error: imapc(foobar.example.com:993): dns_lookup(foobar.example.com) failed: read(/var/run/dovecot/dns-client) failed: read(size=512) failed: Connection reset by peer dsync(foobar(a)example.com): Error: Failed to initialize user: imapc: Login to foobar.example.com failed: Disconnected from server === Initially I thought "oh no, not another AppArmor block". But then surely the second message would not appear if the DNS lookup was not successful ? Also "dig foobar.example.com" works fine. How should I be troubleshooting this ? And if it is still likely to be AppArmor, what is calling it ? "doveadm" itself or something else ? What does "/var/run/dovecot/dns-client" do and why doesn't dovecot use standard OS calls like everyone else ? So many questions !

3 18

auth-worker unknown user
by Laura Smith 11 Apr '19

11 Apr '19

pam(foobar(a)example.com,192.0.1.1,<9zMTUUCGNfHZzMpL>): unknown user (SHA1 of given password: ff75068c2f4d700a49dae204d56477a5ffa5d23d) The password is correct, i.e. 'echo -n 'passed' | openssl dgst -sha1' matches. The user is setup correctly in /etc/dovecot/users (the /etc/dovecot/users was copied from another known-good server, so the syntax is correct and appropriate adjustments have been made for chmod and directory). doveconf -N follows: # 2.3.3 (dcead646b): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.3 (f018bbab) # OS: Linux 4.12.14-lp150.12.48-default x86_64 # Hostname: foobar auth_mechanisms = plain login auth_verbose = yes auth_verbose_passwords = sha1 doveadm_password = # hidden, use -P to show it first_valid_uid = 471 imapc_features = rfc822.size fetch-headers imapc_host = foobar.example.com imapc_password = # hidden, use -P to show it imapc_port = 993 imapc_ssl = imaps imapc_user = %u mail_location = maildir:~/Maildir mail_plugin_dir = /usr/lib64/dovecot/modules mail_prefetch_count = 20 mailbox_list_index = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body environment mailbox date ihave enotify namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { driver = pam name = } plugin { sieve = file:~/.dovecot.sieve } protocols = imap lmtp service auth { unix_listener /var/spool/postfix/private/dovecot-auth { group = postfix mode = 0660 user = postfix } } service imap-login { process_min_avail = 3 } service lmtp { process_min_avail = 5 unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0660 user = postfix } user = my_virtmailuser } service managesieve-login { inet_listener sieve { port = 4190 } inet_listener sieves { address = port = 5190 ssl = yes } } ssl = required ssl_ca = </etc/dovecot/ssl/certbot_ca.pem ssl_cert = </etc/dovecot/ssl/certbot.pem ssl_cipher_list = ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_min_protocol = TLSv1.2 ssl_options = no_compression ssl_prefer_server_ciphers = yes userdb { driver = passwd name = } userdb { args = scheme=ARGON2ID username_format=%u /etc/dovecot/users auth_verbose = yes driver = passwd-file name = } protocol lmtp { mail_plugins = sieve postmaster_address = foobar(a)example.com } protocol lda { deliver_log_format = msgid=%m: %$ mail_plugins = sieve postmaster_address = postmaster quota_full_tempfail = yes rejection_reason = Your message to <%t> was automatically rejected:%n%r } protocol imap { mail_max_userip_connections = 20 }

2 7

LMTP, PAM session and home directory autocreation
by Ivars Strazdins 11 Apr '19

11 Apr '19

Hi, mail is delivered by Dovecot's LMTP locally and I need user's home directory to be created if it doesn't exist yet. There is a setting in Dovecot's configuration, "session=yes", in /etc/Dovecot/conf.d/auth-system.conf.ext, which should do that. passdb { driver = pam args = session=yes dovecot } But I think it does not work in my setup because I do not see any PAM log entry for Dovecot in system log when this error happens: Apr 9 13:01:55 mailhost dovecot: lmtp(2935): Connect from local Apr 9 13:01:55 mailhost dovecot: lmtp(2935, testuser): Error: User initialization failed: Namespace '': mkdir(/home/testuser/Maildir) failed: Permission denied (euid=174000327(testuser) egid=174000327(testuser ) missing +w perm: /home, dir owned by 0:0 mode=0755) Apr 9 13:01:55 mailhost dovecot: lmtp(2935): Disconnect from local: Successful quit The error above seems expected, because it is not LMTP agent's job to create user's home directory but pam_oddjob_mkhomedir.so module should do that. Right? And there are common PAM log entries for every user session: Apr 9 13:24:42 mailhost auth: pam_sss(dovecot:auth): authentication success; logname= uid=0 euid=0 tty=dovecot ruser=validuser rhost=::1 user= validuser Apr 9 13:24:42 mailhost auth: pam_unix(dovecot:session): session opened for user validuser by (uid=0) Apr 9 13:24:42 mailhost auth: pam_unix(dovecot:session): session closed for user validuser How to debug this problem and find out why Dovecot does not open PAM session or - if I am wrong and it does, then what else is going wrong? Home directory autocreation is configured with command "authconfig --enablemkhomedir --update" and it works if user logs into system via shell or webmail. I tried to enable "mail_debug" in Dovecot's settings, but it did not give me any more information on PAM session. Running on Centos 7.6, with Dovecot 2.2.36. It looks like a common mistake or issue, because I am not alone: http://tinyurl.com/y6kjhsnw Thank you very much in advance for your time. Ivars /etc/pam.d/dovecot #%PAM-1.0 auth required pam_nologin.so auth include password-auth account include password-auth session include password-auth /etc/pam.d/password-auth #%PAM-1.0 # This file is auto-generated. # User changes will be destroyed the next time authconfig is run. auth required pam_env.so auth [default=1 success=ok] pam_localuser.so auth [success=done ignore=ignore default=die] pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 1000 quiet_success auth sufficient pam_sss.so forward_pass auth required pam_deny.so account required pam_unix.so account sufficient pam_localuser.so account sufficient pam_succeed_if.so uid < 1000 quiet account [default=bad success=ok user_unknown=ignore] pam_sss.so account required pam_permit.so password requisite pam_pwquality.so try_first_pass local_users_only retry=3 authtok_type= password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok password sufficient pam_sss.so use_authtok password required pam_deny.so session optional pam_keyinit.so revoke session required pam_limits.so -session optional pam_systemd.so session optional pam_oddjob_mkhomedir.so umask=0077 session [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid session required pam_unix.so session optional pam_sss.so doveconf -n # 2.2.36 (1f10bfa63): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.24 (124e06aa) # OS: Linux 3.10.0-957.10.1.el7.x86_64 x86_64 CentOS Linux release 7.6.1810 (Core) # Hostname: mailhost.example.com auth_mechanisms = plain login auth_socket_path = /var/run/dovecot/auth-master auth_username_format = %Ln auth_verbose = yes default_client_limit = 3500 default_process_limit = 500 disable_plaintext_auth = no first_valid_uid = 203 imap_client_workarounds = tb-lsub-flags tb-extra-mailbox-sep lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes lmtp_save_to_detail_mailbox = yes mail_location = maildir:~/Maildir:INBOX=~/Maildir:LAYOUT=fs mail_plugins = " fts fts_lucene" mail_privileged_group = mail maildir_very_dirty_syncs = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapsieve vnd.dovecot.imapsieve mbox_write_locks = fcntl namespace inbox { inbox = yes list = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { auto = subscribe special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / type = private } passdb { args = session=yes dovecot driver = pam } plugin { autocreate = Junk autocreate2 = Sent autocreate3 = Drafts autocreate4 = Trash autosubscribe = Junk autosubscribe2 = Sent autosubscribe3 = Drafts autosubscribe4 = Trash fts = lucene fts_lucene = whitespace_chars=@. imapsieve_mailbox1_before = file:/usr/lib64/dovecot/sieve/report-spam.sieve imapsieve_mailbox1_causes = COPY imapsieve_mailbox1_name = Junk imapsieve_mailbox2_before = file:/usr/lib64/dovecot/sieve/report-ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Junk imapsieve_mailbox2_name = * sieve = file:~/sieve;active=~/roundcube.sieve sieve_before = /var/lib/sieve/junk.sieve sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment sieve_pipe_bin_dir = /usr/lib64/dovecot/sieve sieve_plugins = sieve_imapsieve sieve_extprograms } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %v.%u protocols = imap pop3 lmtp sieve service auth { unix_listener /var/spool/postfix/private/dovecot-auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { group = user mode = 0660 user = root } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } ssl_cert = </etc/letsencrypt/live/webmail.example.com/fullchain.pem ssl_key = # hidden, use -P to show it syslog_facility = local0 userdb { driver = passwd } valid_chroot_dirs = /var/mail:/home protocol lmtp { mail_fsync = never mail_plugins = " fts fts_lucene sieve" postmaster_address = postmaster(a)example.com } protocol lda { mail_fsync = never mail_plugins = " fts fts_lucene sieve expire" } protocol imap { mail_max_userip_connections = 25 mail_plugins = " fts fts_lucene fts fts_squat expire imap_sieve" } protocol sieve { managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date } protocol pop3 { mail_max_userip_connections = 20 mail_plugins = " fts fts_lucene fts fts_squat expire" }

1 0

High availability of Dovecot
by luckydog xf 11 Apr '19

11 Apr '19

Hi, list, I'm going to deploy postfix + dovecot + CephFS( as Mail Storage). Basically I want to use two servers for them, which is kind of HA. My idea is that using keepalived or Pacemaker to host a VIP, which could fail over the other server once one is down. And I'll use Haproxy or Nginx to schedule connections to one of those server based on source IP( Session stickiness), I'll use VIP as DNS record.etc, is my plan doable? I know MX could be server ones with different priority. But I think it brings along shortage that DNS couldn't know Email server is up or down, it just returns results to MUA, right? Thanks for any suggestions and ideas. -

7 6

Re: Mail account brute force / harassment
by Odhiambo Washington 11 Apr '19

11 Apr '19

All your approaches are not well thought out. The best solutions are always the simplest ones. KISS principle dictates so. On Thu, 11 Apr 2019 at 15:01, Marc Roos <M.Roos(a)f1-outsourcing.eu> wrote: > > How long have we been using the current strategy? Do we have less or > more abuse clouds operating? > > "Let the others bother with their own problems." is a bit narrow minded > view. If every one on this mailing list would have this attitude, there > would be no single answer to your question. > > > -----Original Message----- > From: Odhiambo Washington [mailto:odhiambo@gmail.com] > Sent: donderdag 11 april 2019 12:54 > To: Marc Roos > Cc: dovecot > Subject: Re: Mail account brute force / harassment > > Marc, > > There is a strategy loosely referred to as "choose your battles well" > :-) > If you can, hack the server and dump the 500GB - you'll be using > resources transferring the 500GB as the other server receives it. Two > servers wasting resources because you think you are punishing an > offender! > > > On Thu, 11 Apr 2019 at 13:43, wrote: > > > Please do not assume anything other than what is written, it is a > hypothetical situation > > > A. With the fail2ban solution > - you 'solve' that the current ip is not able to access you > - it will continue bothering other servers and admins > - you get the next abuse host to give a try. > > B. With 500GB dump > - the owner of the attacking server (probably hacked) will notice > it > will be forced to take action. > > > If abuse clouds are smart (most are) they would notice that > attacking my > servers, will result in the loss of abuse nodes, hence they will > not > bother me anymore. > > If every one would apply strategy B, the abuse problem would get > less. > Don't you agree?? > > > > > > > -----Original Message----- > From: Odhiambo Washington > Sent: donderdag 11 april 2019 12:28 > To: Marc Roos > Cc: dovecot > Subject: Re: Mail account brute force / harassment > > > > On Thu, 11 Apr 2019 at 13:24, Marc Roos via dovecot > <dovecot(a)dovecot.org> wrote: > > > > > Say for instance you have some one trying to constantly > access an > account > > > Has any of you made something creative like this: > > * configure that account to allow to login with any > password > * link that account to something like /dev/zero that > generates > infinite > amount of messages > (maybe send an archive of virusses?) > * transferring TB's of data to this harassing client. > > I think it would be interesting to be able to do such a > thing. > > > > > Instead of being evil, just use fail2ban to address this problem > :-) > > -- > > Best regards, > Odhiambo WASHINGTON, > Nairobi,KE > +254 7 3200 0004/+254 7 2274 3223 > "Oh, the cruft.", grep ^[^#] :-) > > > > > > > -- > > Best regards, > Odhiambo WASHINGTON, > Nairobi,KE > +254 7 3200 0004/+254 7 2274 3223 > "Oh, the cruft.", grep ^[^#] :-) > > > -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-)

1 0

Re: Mail account brute force / harassment
by Odhiambo Washington 11 Apr '19

11 Apr '19

Marc, There is a strategy loosely referred to as "choose your battles well" :-) Let the others bother with their own problems. If you can, hack the server and dump the 500GB - you'll be using resources transferring the 500GB as the other server receives it. Two servers wasting resources because you think you are punishing an offender! On Thu, 11 Apr 2019 at 13:43, Marc Roos <M.Roos(a)f1-outsourcing.eu> wrote: > Please do not assume anything other than what is written, it is a > hypothetical situation > > > A. With the fail2ban solution > - you 'solve' that the current ip is not able to access you > - it will continue bothering other servers and admins > - you get the next abuse host to give a try. > > B. With 500GB dump > - the owner of the attacking server (probably hacked) will notice it > will be forced to take action. > > > If abuse clouds are smart (most are) they would notice that attacking my > servers, will result in the loss of abuse nodes, hence they will not > bother me anymore. > > If every one would apply strategy B, the abuse problem would get less. > Don't you agree?? > > > > > > > -----Original Message----- > From: Odhiambo Washington > Sent: donderdag 11 april 2019 12:28 > To: Marc Roos > Cc: dovecot > Subject: Re: Mail account brute force / harassment > > > > On Thu, 11 Apr 2019 at 13:24, Marc Roos via dovecot > <dovecot(a)dovecot.org> wrote: > > > > > Say for instance you have some one trying to constantly access an > account > > > Has any of you made something creative like this: > > * configure that account to allow to login with any password > * link that account to something like /dev/zero that generates > infinite > amount of messages > (maybe send an archive of virusses?) > * transferring TB's of data to this harassing client. > > I think it would be interesting to be able to do such a thing. > > > > > Instead of being evil, just use fail2ban to address this problem :-) > > -- > > Best regards, > Odhiambo WASHINGTON, > Nairobi,KE > +254 7 3200 0004/+254 7 2274 3223 > "Oh, the cruft.", grep ^[^#] :-) > > > -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-)

2 1

Re: Lua Push Notification Plugin
by Sami Ketola 11 Apr '19

11 Apr '19

Hi, doveadm mailbox metadata get -u victim INBOX /private/vendor/vendor.dovecot/pvt/server/vendor/vendor.dovecot/http-notify or doveadm mailbox metadata set if you are not using appsuite as your mail frontend then you need to set the metadata manually or make sure that your mail frontend does set it. Sami > On 11 Apr 2019, at 11.50, Pabsky <j0hnw0rk3r(a)gmail.com> wrote: > > Sami, > > the package 'appsuite' is not mentioned in the documentation, also I already enabled imap metadata. > > What do you mean by 'It's not supposed to be a file. It's supposed to be a attribute on the users INBOX'? > > I'm attaching my dovecot configuration file for you to examine. Thanks Sami! > > On 11/04/2019 4:37 PM, Sami Ketola wrote: >> >> >>> On 11 Apr 2019, at 11.00, Pabsky via dovecot <dovecot(a)dovecot.org <mailto:dovecot@dovecot.org>> wrote: >>> >>> Thanks AKI! I'm a step closer to achieving my goals. >>> >>> However, I'm getting a new error as indicated from below: >>> >>> Apr 11 01:45:34 lmtp(user(a)mydomain.com <mailto:user@mydomain.com>)<20801><pVlIEJ7wrlxBUQAAUdwEFQ>: Debug: push-notification-ox: Skipped because not active (/private/vendor/vendor.dovecot/pvt/server/vendor/vendor.dovecot/http-notify METADATA not set) >>> Apr 11 01:45:34 lmtp(user(a)mydomain.com <mailto:user@mydomain.com>)<20801><pVlIEJ7wrlxBUQAAUdwEFQ>: Debug: push-notification: Push notification transaction completed >>> >>> By the way, the file /private/vendor/vendor.dovecot/pvt/server/vendor/vendor.dovecot/http-notify does not exist on my server. >> >> It's not supposed to be a file. It's supposed to be a attribute on the users INBOX. Also you need to enable imap metadata or appsuite can't set the attribute. >> >> Sami >> >> > <dovecot.conf>

1 0

Passord change problem. (INTERNAL)
by Arvid.Eikas＠telenor.com 11 Apr '19

11 Apr '19

Hi, We have a strange problem with login after password change. We need to kill the auth_worker processes to activate the new password. It doesn't work with SIGHUP on pid, it doesn't help to run "doveadm auth cache flush". It runs flush xx but the new password still doesn't work. Are there any suggestions for how this can be resolved? Our release is 2.3.5. Arvid

1 0

Re: Lua Push Notification Plugin
by Pabsky 11 Apr '19

11 Apr '19

Thanks AKI! I'm a step closer to achieving my goals. However, I'm getting a new error as indicated from below: Apr 11 01:45:34 lmtp(user(a)mydomain.com)<20801><pVlIEJ7wrlxBUQAAUdwEFQ>:*Debug: push-notification-ox: Skipped because not active (/private/vendor/vendor.dovecot/pvt/server/vendor/vendor.dovecot/http-notify METADATA not set)* Apr 11 01:45:34 lmtp(user(a)mydomain.com)<20801><pVlIEJ7wrlxBUQAAUdwEFQ>:*Debug: push-notification: Push notification transaction completed *By the way, the file****/private/vendor/vendor.dovecot/pvt/server/vendor/vendor.dovecot/http-notify* *does not exist on my server. Again, I appreciate the help :) ** > On 11 April 2019 07:57 Robust Coding via dovecot <dovecot(a)dovecot.org> wrote: > > > Hi Admin, > > I hope you consider reading and addressing my concern promptly. > > For the past few days I've been setting up a VPS with cPanel and WHM > pre-installed on Bluehost. I want to enable push notification plugin in > Dovecot2.3.5. I tried OX and Lua plugins and got errors. > > For using OX plugin: > push_notification_driver = ox:url=http://staging.mydomain.com/mail-notify/v1 > user_from_metadata > And got this error on runtime: > Error: push-notification-ox: Skipped because unable to get attribute: Mailbox > attributes not enabled > mail_attribute_dict = file:%h/Maildir/dovecot-attributes > When using Lua: > mail_plugins = $mail_plugins mail_lua notify push_notification > push_notification_lua > > plugin { > push_notification_driver = lua:file=/path/to/lua/push.lua > } > And got this order: > Plugin 'push_notification_lua' not found from directory /usr/lib64/dovecot > You do not have push_notification_lua installed. > I think I'm missing something here but I can't figure it out. Please HELP! > > Sincerely, > John Lopena > > -- > > "Become a programmer - Lose your brain's virginity" Aki

3 2

masteruser can not select INBOX
by Ludwig Wieland 11 Apr '19

11 Apr '19

Hello, My Dovecot Master can login but not not select INBOX ! What's wrong ? best regards Luda 1) USER can select INBOX: OK --------------------------------------------------- telnet localhost imap Trying ::1... Connected to localhost. Escape character is '^]'. * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=CRAM-MD5 AUTH=DIGEST-MD5 AUTH=GSSAPI AUTH=PLAIN AUTH=LOGIN] Dovecot ready. a login test1 password a OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE SEARCH=FUZZY SPECIAL-USE COMPRESS=DEFLATE QUOTA ACL RIGHTS=texk] Logged in b select INBOX * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. * 5 EXISTS * 0 RECENT * OK [UNSEEN 1] First unseen. * OK [UIDVALIDITY 1328091893] UIDs valid * OK [UIDNEXT 6] Predicted next UID * OK [HIGHESTMODSEQ 11] Highest b OK [READ-WRITE] Select completed (0.000 + 0.000 secs). c logout * BYE Logging out c OK Logout completed. Connection closed by foreign host. 2) MASTER-USER can't select INBOX: ! --------------------------------------------------- admins$ telnet localhost imap Trying ::1... Connected to localhost. Escape character is '^]'. * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=CRAM-MD5 AUTH=DIGEST-MD5 AUTH=GSSAPI AUTH=PLAIN AUTH=LOGIN] Dovecot ready. a login test1*mailmaster password a OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE SEARCH=FUZZY SPECIAL-USE COMPRESS=DEFLATE QUOTA ACL RIGHTS=texk] Logged in b select INBOX b NO [SERVERBUG] Internal error occurred. Refer to server log for more information. [2019-04-09 08:20:46] (0.000 + 0.000 secs). c logout * BYE Logging out c OK Logout completed. Connection closed by foreign host. ---------------------------------------- An the Server Error log says: Apr 09 00:05:40 imap(pid 62335 user test1): Error: Opening INBOX failed: Mailbox doesn't exist: INBOX ---------------------------------------- admins$ doveconf -n # 2.2.24 (a82c823): /Library/Server/Mail/Config/dovecot/dovecot.conf # OS: Darwin 16.7.0 x86_64 hfs auth_master_user_separator = * auth_mechanisms = cram-md5 digest-md5 gssapi plain login apop auth_realms = xserver.mydomain.ch auth_socket_path = /var/run/dovecot/auth-userdb auth_username_format = %n debug_log_path = /Library/Logs/Mail/mail-debug.log default_internal_user = _dovecot default_login_user = _dovenull disable_plaintext_auth = no first_valid_gid = 6 first_valid_uid = 6 imap_id_log = * imap_id_send = "name" * "version" * imap_urlauth_submit_user = submit info_log_path = /Library/Logs/Mail/mail-info.log log_path = /Library/Logs/Mail/mail-err.log login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c mail_access_groups = mail mail_attribute_dict = file:/Library/Server/Mail/Data/attributes/attributes.dict mail_location = maildir:/Library/Server/Mail/Data/mail/%u mail_log_prefix = "%s(pid %p user %u): " mail_plugins = quota zlib acl fts fts_sk managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave mdbox_rotate_size = 200 M namespace acl-mailboxes { list = children location = maildir:/Library/Server/Mail/Data/mail/users/%%u:INDEX=/Library/Server/Mail/Data/mail/shared/%%u prefix = shared.%%u. separator = . subscriptions = no type = shared } namespace inbox { inbox = yes location = mailbox "Deleted Messages" { special_use = \Trash } mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } namespace list-archives { list = children location = maildir:/Library/Server/Mail/Data/listserver/messages/archive/lists/%%u:INDEX=/Library/Server/Mail/Data/listserver/messages/archive/shared/%%u prefix = archives.%%u. separator = . subscriptions = no type = shared } passdb { args = /Library/Server/Mail/Config/dovecot/master-users driver = passwd-file master = yes pass = yes } passdb { driver = od } passdb { args = /Library/Server/Mail/Config/dovecot/submit.passdb driver = passwd-file } plugin { acl = vfile:/Library/Server/Mail/Config/dovecot/global-acls:cache_secs=300 acl_shared_dict = file:/Library/Server/Mail/Data/shared/shared-mailboxes fts = sk quota = maildir:User quota quota_warning = storage=100%% quota-exceeded %u quota_warning2 = storage=80%% quota-warning %u sieve = /Library/Server/Mail/Data/rules/%u/dovecot.sieve sieve_dir = /Library/Server/Mail/Data/rules/%u stats_refresh = 30 secs stats_track_cmds = yes } postmaster_address = postmaster(a)xserver.myserver.ch protocols = imap pop3 lmtp sieve quota_full_tempfail = yes service auth { idle_kill = 15 mins unix_listener auth-userdb { user = _dovecot } } service dns_client { unix_listener dns-client { mode = 0600 } } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } service_count = 0 } service imap { client_limit = 5 process_limit = 200 service_count = 0 } service indexer-worker { user = _dovecot } service lmtp { unix_listener lmtp { mode = 0600 } } service managesieve-login { inet_listener sieve { port = 4190 } } service pop3-login { inet_listener pop3 { port = 110 } inet_listener pop3s { port = 995 ssl = yes } } service pop3 { client_limit = 5 process_limit = 200 service_count = 0 } service quota-exceeded { executable = script /Applications/Server.app/Contents/ServerRoot/usr/libexec/dovecot/quota-exceeded.sh unix_listener quota-exceeded { group = mail mode = 0660 user = _dovecot } user = _dovecot } service quota-warning { executable = script /Applications/Server.app/Contents/ServerRoot/usr/libexec/dovecot/quota-warning.sh unix_listener quota-warning { group = mail mode = 0660 user = _dovecot } user = _dovecot } service stats { fifo_listener stats-mail { mode = 0600 user = _dovecot } } ssl = required ssl_ca = </etc/certificates/myserver.ch.A9FFFFB4B4C0E4CA959917BC2F60BDECBC414D35.chain.pem ssl_cert = </etc/certificates/myserver.ch.A9FFFFB4B4C0E4CA959917BC2F60BDECBC414D35.cert.pem ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL:!ADH:!eNULL ssl_key = </etc/certificates/myserver.ch.A9FFFFB4B4C0E4CA959917BC2F60BDECBC414D35.key.pem ssl_key_path = /etc/certificates/myserver.ch.A9FFFFB4B4C0E4CA959917BC2F60BDECBC414D35.key.pem ssl_protocols = !SSLv2 !SSLv3 userdb { args = partition=/Library/Server/Mail/Config/dovecot/partition_map.conf global_quota=0 enforce_quotas=yes driver = od } userdb { args = /Library/Server/Mail/Config/dovecot/submit.passdb driver = passwd-file } verbose_proctitle = yes protocol lmtp { mail_plugins = quota zlib acl fts fts_sk sieve } protocol lda { mail_plugins = quota zlib acl fts fts_sk sieve } protocol imap { mail_max_userip_connections = 20 mail_plugins = quota zlib acl fts fts_sk imap_acl imap_quota imap_zlib } protocol pop3 { mail_max_userip_connections = 6 }

3 8

Lua Push Notification Plugin
by Robust Coding 11 Apr '19

11 Apr '19

Hi Admin, I hope you consider reading and addressing my concern promptly. For the past few days I've been setting up a VPS with cPanel and WHM pre-installed on Bluehost. I want to enable push notification plugin in Dovecot2.3.5. I tried OX and Lua plugins and got errors. For using OX plugin: push_notification_driver = ox:url=http://staging.mydomain.com/mail-notify/v1 user_from_metadata And got this error on runtime: *Error: push-notification-ox: Skipped because unable to get attribute: Mailbox attributes not enabled* When using Lua: mail_plugins = $mail_plugins mail_lua notify push_notification push_notification_luaplugin { push_notification_driver = lua:file=/path/to/lua/push.lua} And got this order: *Plugin 'push_notification_lua' not found from directory /usr/lib64/dovecot* I think I'm missing something here but I can't figure it out. Please HELP! Sincerely, John Lopena -- *"Become a programmer - Lose your brain's virginity"*

2 1

ssl_cert: Can't open file permission denied
by Laura Smith 10 Apr '19

10 Apr '19

Dovecot 2.3.3 (dcead646b) openSUSE Leap 15.0 I am getting a weird error message: Fatal: Error in configuration file /etc/dovecot/local.conf line 16: ssl_cert: Can't open file /etc/foobar/ssl/certbot.pem: Permission denied I have tried the following: - chmod -R 655 /etc/foobar/ssl (/etc/foobar is 755) - create "ssl_users" group add dovecot to it chown -R dovecot:ssl_users /etc/foobar/ssl How can I fix this ? There's no obvious solution ?

5 7

/var/run/dovecot/stats-writer) failed: Permission denied
by ＠lbutlr 10 Apr '19

10 Apr '19

I am getting this error in logs net_connect_unix(/var/run/dovecot/stats-writer) failed: Permission den)) and I looked around the google results and it seems to be related to using service stats, which I am not using. # doveconf -n | grep stat # doveconf -n | head -3 # 2.3.5.1 (7ec6d0ade): /usr/local/etc/dovecot/dovecot.conf # Pigeonhole version 0.5.5 (2483b085) # OS: FreeBSD 11.2-RELEASE-p4 i386 Postfix is 3.4-20190106 (the newest version in ports) -- Over 3,500 gay marriages and, what, no hellfire? I was promise hellfire. And riots. What gives? -- Mark Morford

4 12

Restoring mailboxes from backup duplicates messages in POP clients
by Luis F. V. Gomes 10 Apr '19

10 Apr '19

Hello I had a disk problem and had to reformat it. All mailboxes were backed up using rsync. After I restored the mailboxes, the POP clients (Thunderbird) that were configured to leave the messages on the mailserver for, let's say, 30 days, didn't understand that some messages were already transfered and the users got duplicated messages in their Inbox. How can we avoid this? -- Thanks Luís F. Gomes IT Manager (55)(21) 3527-1220 Departamento de Engenharia Elétrica PUC-Rio R. Marques de S. Vicente 225/401L 22451-900 - Rio de Janeiro/RJ

3 4

protocols: Unknown protocol: sieve
by luckydog xf 10 Apr '19

10 Apr '19

Hi, list, I downloaded dovecot-2.3-pigeonhole-0.5.5.tar.gz and installed it, after I enabled #/etc/dovecot/conf.d/20-managesieve.conf protocols = $protocols sieve it said " protocols: Unknown protocol: sieve" What's wrong?" Thanks,

3 2

sieve match ANY header
by Shawn Heisey 10 Apr '19

10 Apr '19

I would like to create a sieve rule where I do a regex match on ALL headers, not a specific header. I've been trying to find out the proper syntax, but haven't found anything. Is this possible, and if so, how do I write it? Thanks, Shawn

4 6

Dovecot index compatibility
by Frido Otten 10 Apr '19

10 Apr '19

We're in the process of upgrading Dovecot from version 2.1.17 to 2.2.27 (package Debian Stretch). We have a shared NFS storage in use by multiple servers without Dovecot director. I've tested by connecting to IMAP on the new server to my own mailbox. This isn't a problem. But when the server with the Dovecot version 2.1.17 LDA drops a new message in my mailbox it thinks the index file is corrupted, and the message bounces to it's sender. So there must be a index compatibility issue between both versions. This is still no problem if I upgrade the entire platform in a maintenance window at once. But what I want is a rollback possibility. To which minimal Dovecot version should I upgrade the old platform to create this rollback possibility. I was looking for a table of dovecot index compatibility between the different versions (forward and backward), but couldn't find it. Is there any? Please advice. Best regards, Frido

1 0

dict: Error: Fatal error in defaults handling. Program aborted
by Hugo Manuel Ojendiz Lemus 10 Apr '19

10 Apr '19

Good day to everyone Currently, I'm trying to implement the sieve "vacation" plugin with the sieve "Extdata" plugin to lookup information from a MySQL remote server. I'm following the instructions in the documentation: https://wiki2.dovecot.org/Pigeonhole/Sieve/Plugins/Extdata ===== I have the following error === Apr 09 13:46:51 mail dovecot[5512]: dict: Error: Fatal error in defaults handling. Program aborted Apr 09 13:46:51 mail dovecot[5512]: lmtp(usrx(a)themail.com)<5539><PNwlBJvorFyjFQAAYWwSRA:2>: Warning: sieve: before: line 18: extdata: failed to lookup value `reply_enabled': Connection closed (reply took 0.016 secs (0.017 in dict wait, 0.000 in other ioloops, 0.000 in locks, async-id reply 0.001 secs ago)) Apr 09 13:46:51 mail dovecot[5512]: dict: Fatal: master: service(dict): child 5542 killed with signal 11 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) Apr 09 13:46:51 mail.halmex.com.mx dovecot[5512]: dict: Error: Fatal error in defaults handling. Program aborted ============================ ====== Dovecot Information ====== 2.3.5.1 (7ec6d0ade): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.5 (2483b085) # OS: Linux 3.10.0-514.16.1.el7.x86_64 x86_64 CentOS Linux release 7.3.1611 (Core) xfs doveconf: Warning: please set ssl_dh=</etc/dovecot/dh.pem doveconf: Warning: You can generate it with: dd if=/var/lib/dovecot/ssl-parameters.dat bs=1 skip=88 | openssl dhparam -inform der > /etc/dovecot/dh.pem dict { sieve = mysql:/etc/dovecot/pigeonhole-sieve.dict } log_timestamp = "%Y-%m-%d %H:%M:%S " mail_location = maildir:/var/vmail/%d/%Ln managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext namespace inbox { inbox = yes location = prefix = separator = . type = private } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { pop3_migration_mailbox = imapc: sieve_extdata_dict_uri = proxy::sieve sieve_global_extensions = +vnd.dovecot.extdata sieve_plugins = sieve_extdata sieve_vacation_send_from_recipient = yes sieve_before = /var/lib/dovecot/before.sieve } pop3c_host = mail.halmex.com.mx service auth-worker { user = root } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { mode = 0600 user = vmail } user = root } service dict { unix_listener dict { group = vmail mode = 0600 user = vmail } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } userdb { args = uid=5000 gid=5000 home=/var/vmail/%d/%Ln allow_all_users=yes driver = static } protocol pop3 { disable_plaintext_auth = no } protocol doveadm { mail_plugins = " pop3_migration" } protocol lmtp { mail_plugins = " sieve" } ============================ An important bit of information it's that the dict service was trying to read the /etc/my.cnf file, but SELinux prevent it, and the sieve script worked fine, once I solved the SELinux access problem, the errors began to appear. This is a postfix server working great for years, with a local MariaDB. The remote MySQL server its in the same LAN and Its reachable by the mail server and other servers, the account has access, and like Ive mention, before I gave access to the local /etc/my.cnf the sieve script worked fine (just the SELinux warnings). Looks like the dict service has problems with the local MariaDB configuration file, but in this scenario its not required Any information or help you can provide me would be greatly appreciated. Hugo Manuel Ojendiz Lemus Desarrollo | Recursos Humanos | HALMEX ((°J°))

2 1

Where to report (potential) Dovecot bugs
by Mark Moseley 10 Apr '19

10 Apr '19

I'm curious if this is still the right place to report potential bugs with Dovecot. Is there a Dovecot bug tracker somewhere?

2 2

LMTP, PAM session and home directory autocreating
by Ivars Strazdins 09 Apr '19

09 Apr '19

Hi, mail is delivered by Dovecot's lmtp locally and I need user's home directory to be created if it doesn't exist yet. There is a setting in Dovecot's configuration, "session=yes", in /etc/Dovecot/conf.d/auth-system.conf.ext, which should do that. passdb { driver = pam args = session=yes dovecot } But I think it does not work in my setup because I do not see any PAM log entry for Dovecot when this error happens: Apr 9 13:01:55 mailhost dovecot: lmtp(2935): Connect from local Apr 9 13:01:55 mailhost dovecot: lmtp(2935, testuser): Error: User initialization failed: Namespace '': mkdir(/home/testuser/Maildir) failed: Permission denied (euid=174000327(testuser) egid=174000327(testuser ) missing +w perm: /home, dir owned by 0:0 mode=0755) Apr 9 13:01:55 mailhost dovecot: lmtp(2935): Disconnect from local: Successful quit The error above seems expected, because it is not lmtp agent's job to create user's home directory but pam_oddjob_mkhomedir.so module should do that. Right? And there are log entries every PAM user session: Apr 9 13:24:42 mailhost auth: pam_sss(dovecot:auth): authentication success; logname= uid=0 euid=0 tty=dovecot ruser=validuser rhost=::1 user= validuser Apr 9 13:24:42 mailhost auth: pam_unix(dovecot:session): session opened for user validuser by (uid=0) Apr 9 13:24:42 mailhost auth: pam_unix(dovecot:session): session closed for user validuser I ask for help how to debug this problem and find out why Dovecot does not open PAM session or - if I am wrong and it does, then what else is going wrong. Home directory autocreation is configured with command "authconfig --enablemkhomedir --update" and it works if user logs into system manually. I tried to enable "mail_debug" in Dovecot's settings, but it did not give me any more information on PAM session. Running on Centos 7.6, with Dovecot 2.2.36. I sort of remember this was working 2 years ago when I enabled "session=yes" but something has changed along the way with all the Centos updates. Thank you very much in advance for your time. Ivars /etc/pam.d/dovecot #%PAM-1.0 auth required pam_nologin.so auth include password-auth account include password-auth session include password-auth /etc/pam.d/password-auth #%PAM-1.0 # This file is auto-generated. # User changes will be destroyed the next time authconfig is run. auth required pam_env.so auth [default=1 success=ok] pam_localuser.so auth [success=done ignore=ignore default=die] pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 1000 quiet_success auth sufficient pam_sss.so forward_pass auth required pam_deny.so account required pam_unix.so account sufficient pam_localuser.so account sufficient pam_succeed_if.so uid < 1000 quiet account [default=bad success=ok user_unknown=ignore] pam_sss.so account required pam_permit.so password requisite pam_pwquality.so try_first_pass local_users_only retry=3 authtok_type= password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok password sufficient pam_sss.so use_authtok password required pam_deny.so session optional pam_keyinit.so revoke session required pam_limits.so -session optional pam_systemd.so session optional pam_oddjob_mkhomedir.so umask=0077 session [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid session required pam_unix.so session optional pam_sss.so doveconf -n # 2.2.36 (1f10bfa63): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.24 (124e06aa) # OS: Linux 3.10.0-957.10.1.el7.x86_64 x86_64 CentOS Linux release 7.6.1810 (Core) # Hostname: mailhost.example.com auth_mechanisms = plain login auth_socket_path = /var/run/dovecot/auth-master auth_username_format = %Ln auth_verbose = yes default_client_limit = 3500 default_process_limit = 500 disable_plaintext_auth = no first_valid_uid = 203 imap_client_workarounds = tb-lsub-flags tb-extra-mailbox-sep lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes lmtp_save_to_detail_mailbox = yes mail_location = maildir:~/Maildir:INBOX=~/Maildir:LAYOUT=fs mail_plugins = " fts fts_lucene" mail_privileged_group = mail maildir_very_dirty_syncs = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapsieve vnd.dovecot.imapsieve mbox_write_locks = fcntl namespace inbox { inbox = yes list = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { auto = subscribe special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / type = private } passdb { args = session=yes dovecot driver = pam } plugin { autocreate = Junk autocreate2 = Sent autocreate3 = Drafts autocreate4 = Trash autosubscribe = Junk autosubscribe2 = Sent autosubscribe3 = Drafts autosubscribe4 = Trash fts = lucene fts_lucene = whitespace_chars=@. imapsieve_mailbox1_before = file:/usr/lib64/dovecot/sieve/report-spam.sieve imapsieve_mailbox1_causes = COPY imapsieve_mailbox1_name = Junk imapsieve_mailbox2_before = file:/usr/lib64/dovecot/sieve/report-ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Junk imapsieve_mailbox2_name = * sieve = file:~/sieve;active=~/roundcube.sieve sieve_before = /var/lib/sieve/junk.sieve sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment sieve_pipe_bin_dir = /usr/lib64/dovecot/sieve sieve_plugins = sieve_imapsieve sieve_extprograms } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %v.%u protocols = imap pop3 lmtp sieve service auth { unix_listener /var/spool/postfix/private/dovecot-auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { group = user mode = 0660 user = root } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } ssl_cert = </etc/letsencrypt/live/webmail.example.com/fullchain.pem ssl_key = # hidden, use -P to show it syslog_facility = local0 userdb { driver = passwd } valid_chroot_dirs = /var/mail:/home protocol lmtp { mail_fsync = never mail_plugins = " fts fts_lucene sieve" postmaster_address = postmaster(a)example.com } protocol lda { mail_fsync = never mail_plugins = " fts fts_lucene sieve expire" } protocol imap { mail_max_userip_connections = 25 mail_plugins = " fts fts_lucene fts fts_squat expire imap_sieve" } protocol sieve { managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date } protocol pop3 { mail_max_userip_connections = 20 mail_plugins = " fts fts_lucene fts fts_squat expire" }

1 0

Problem with filter forwarded messages when using director proxy
by Ted 09 Apr '19

09 Apr '19

Hey there, I've been able to switch our mailservers over to using director to proxy logins and received email to the backend servers which store email on a shared NFS mount. Before I did this we were having trouble with the indexes running into errors because multiple servers accessing and modifying the dovecot.index files at the same time. I'm still seeing a small amount of this, and tracing it through it appears that when an account uses a filter to forward email to another address within our mail system, it recognises that it is a local email address it is responsible for and saves the message locally despite the fact that it is not the director specified server for the recipient address. As an example, lets say that test1(a)example.com is currently pointed to the 01 backend server by director, and test2(a)example.com to 02. If a filter at test1 forwards email to test2, then when an email for test1 comes in the director porxy will direct it to the 01 backend server, and when the message is saved the filter will run to forward it, and the 01 server will recognise that it is also responsible for test2 and so 01 will save the message for test2 rather than 02, as per director. This is causing a smallish number of clashes which I'd like to get cleaned up. I've tried getting the server to send through a relay but if it recognises the account as local it will not use the relay to send the email. Has anyone run into anything like this or have any ideas about how to approach the problem? Thank you Ted easyDNS Technologies

1 0

Editing fail2ban page?
by Mauricio Tavares 09 Apr '19

09 Apr '19

In https://wiki.dovecot.org/HowTo/Fail2Ban, for a current (I know for a fact in 2.2.36) I believe it should be filter = dovecot instead of filter = dovecot-pop3imap [root@mail ~]# ls -l /etc/fail2ban/filter.d/doveco* -rw-r--r-- 1 root root 1875 May 11 2017 /etc/fail2ban/filter.d/dovecot.conf [root@mail ~]#

2 1

dovecot[30008]: auth-worker: Fatal: master: service(auth-worker): child 31074 killed with signal 11
by Herbert 09 Apr '19

09 Apr '19

Hi Since a recent DNF update, I see many log file entries like the following: Apr 08 16:16:36 udoo.symmetrix.ch audit[31074]: ANOM_ABEND auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:dovecot_auth_t:s0 pid=31074 comm="auth" exe="/usr/libexec/dovecot/auth" sig=11 res=1 Apr 08 16:16:36 udoo.symmetrix.ch kernel: traps: auth[31074] general protection fault ip:7ff45b5f98a7 sp:7fff0df96830 error:0 in libmariadb.so.3[7ff45b5d7000+46000] Apr 08 16:16:36 udoo.symmetrix.ch dovecot[30008]: auth-worker: Fatal: master: service(auth-worker): child 31074 killed with signal 11 (core not dumped - https://dovecot.org/bugreport.html#coredumps) Apr 08 16:16:38 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: abrt-dump-journal-oops: Found oopses: 1 Apr 08 16:16:38 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: abrt-dump-journal-oops: Creating problem directories Apr 08 16:16:39 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: Reported 1 kernel oopses to Abrt Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Can't find a meaningful backtrace for hashing in '.' Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Option 'DropNotReportableOopses' is not configured Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Preserving oops '.' because DropNotReportableOopses is 'no' Apr 08 16:16:39 udoo.symmetrix.ch dbus-daemon[1022]: [system] Activating service name='org.freedesktop.problems' requested by ':1.779' (uid=0 pid=31122 comm="/usr/bin/python3 /usr/bin/abrt-action-notify -d /v" label="system_u:system_r:abrt_t:s0-s0:c0.c1023") (using servicehelper) Apr 08 16:16:40 udoo.symmetrix.ch dbus-daemon[1022]: [system] Successfully activated service 'org.freedesktop.problems' Apr 08 16:16:40 udoo.symmetrix.ch abrt-notification[31129]: System encountered a non-fatal error in ??() # uname -a Linux udoo.symmetrix.ch 5.0.5-100.fc28.x86_64 #1 SMP Wed Mar 27 22:16:29 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux # dovecot --version 2.3.5 (513208660) # mysql --version mysql Ver 15.1 Distrib 10.2.22-MariaDB, for Linux (x86_64) using readline 5.1 Unfortunately I didn't manage to get a core dump, sorry. Kind regards, Herbert

2 1

Re: SMTPUTF8 support
by David Bürgin 08 Apr '19

08 Apr '19

André, are you quite sure you have it working? In this thread someone from Open-Xchange stated that no, Dovecot doesn’t have SMTPUTF8 support implemented, and the same response was given by another Dovecot developer last September (it ‘is being considered’ was the answer then, see https://dovecot.org/pipermail/dovecot/2018-September/112887.html) I am using LMTP to deliver mail to Dovecot from Postfix, and delivery fails with Postfix reporting: ‘SMTPUTF8 is required, but was not offered by host mail.my.org[private/dovecot-lmtp]’. I doubt that this can work without a change in Dovecot LMTP. Anyway, I am also interested in SMTPUTF8 support, so +1 from me! -- David

6 10

OpenFTS
by Cerebus 05 Apr '19

05 Apr '19

All the discussion on FTS reminds me, is there any plan to support OpenFTS in dovecot or is there a reason preventing that? -- This is my signature. There are many like it, but this one is mine.

2 1

SMTPUTF8 support
by sylvhem＠lepubdelobservateur.fr 05 Apr '19

05 Apr '19

Hi, I'm currently trying to set up SMTPUTF8 on my mail stack, but I can't find any information on Dovecot's RFC 6531 support. Has it been implemented yet? If so, does anyone know how to activate it? Regards. -- Sylvhem

4 5

Solr connection timeout hardwired to 60s
by Peter Mogensen 05 Apr '19

05 Apr '19

Hi, What's the recommended way to handling timeouts on large mailboxes given the hardwired request timeout of 60s in solr-connection.c: http_set.request_timeout_msecs = 60*1000; /Peter

5 5

doveadm backup + ISO 8859-1 mailbox name
by Michael Goth 04 Apr '19

04 Apr '19

Hi! I'm trying to migrate a mailbox from an old IMAP server (not Dovecot) to a new Dovecot server with 'doveadm backup'. The command fails because of an unexpected character in a mailbox name: doveadm -o imapc_user=ag(a)example.org \ -o imapc_password=XXX \ -o imapc_host=old-mailserver.webflow.de \ -o imapc_port=993 \ -o imapc_ssl=imaps \ -o imapc_ssl_verify=no \ -o imapc_features=rfc822.size,fetch-headers \ -o ssl_client_ca_dir=/etc/ssl \ backup -R -f -x ~* -u migration-ag(a)example.org imapc: dsync(migration-ag(a)example.org): Info: imapc(old-mailserver.webflow.de:993): Connected to 1.1.1.1:993 (local 2.2.2.2:46154) dsync(migration-ag(a)example.org): Error: Failed to access mailbox Entw?rfe: mailbox does not exist The problem is with "Entw?rfe" here. It's actually Entw<0xfc>rfe, which translates to "Entwürfe" in ISO-8859-1. Why can't doveadm find that mailbox? Is the old mailserver misbehaving (I hope not because I have no idea how to change that...), or does this happen on the new server? Can I tell doveadm something that makes this work? Thank you Michael -- Michael Goth .webflow GmbH Geschäftsführer: Andreas Schrei Wasserburger Straße 4 D - 83352 Altenmarkt a. d. Alz Amtsgericht Traunstein HRB 18537 E-Mail: mg(a)webflow.de Tel: +49 (0) 8621 - 99989 - 26 Fax: +49 (0) 8621 - 99989 - 28 Web: www.webflow.de

3 3

Autosubscribe to public folder
by Рустам 04 Apr '19

04 Apr '19

Hello everyone! I am trying to migrate from Dovecot 1.2 to Dovecot 2.2 and I can`t find information how to subscribe all users to public folder. In Dovecot 1.2 I have a few strings kind of "autosubscribeX = Public.Documents" and every users get subscribed to this Public folders and can`t unsubscribe. This is a goal. Is any posibility to make the same in Dovecot 2.2 or each user have to susbscribe to public folders themselves and this is kind of policy of Dovecot 2.2? -- С уважением, Рустам Багов.

2 1

TFA authentication in dovecot, using XMPP and RFC 4226
by André Rodier 03 Apr '19

03 Apr '19

Hello, I would like to implement some kind of two factors authentication, in Dovecot. I am thinking about using the post login script, to check for unusual behaviour, like say, a different country / IP address or an unusual hour. I already wrote a simple shell script that check these factors, but now, I have some options for the following, and I need to know your opinion if this is feasible or not. I want to use google authenticator Debian package (support the HMAC- Based One-time Password (HOTP) algorithm specified in RFC 4226 and the Time-based One-time Password (TOTP)) The challenge would be send via XMPP. This second part is fairly easy to do, I have all the packages on Debian, for instance sendxmpp. The first tests are promising. In case of success, the IP address is added to the list, let's say for one month... My back-end for authentication is OpenLDAP. My questions are: - Do you see any performance issues for other users or login processes, if I implement this? - I am planning to use a timeout, for instance one minute to confirm the connection. Does Dovecot have a timeout on its side, that would abort the connection before? Otherwise: - Is it possible to have multiple authentication back-ends in Dovecot? For instance LDAP and/or OTP? - I think to have seen some TFA options in Dovecot, but AFAICS, they are mandatory. Thanks for your insights, and this fabulous software. -- André Rodier HomeBox: https://github.com/progmaticltd/homebox

2 1

where shall I enforce sieve and quota plugins
by luckydog xf 03 Apr '19

03 Apr '19

Hello, guys, I'm going to using sieve and quota plugins, but I'm not sure where shall I enforce against properly? I see somebody uses them against 20-imap.conf, 15-lda.conf, or 20-lmtp.conf I use LMTP as MDA, so where is the correct location to call these plugins and why? Thanks,

2 1

Trying to track down source of duplicate messages
by Alex 02 Apr '19

02 Apr '19

Hi, I have a fedora28 system with dovecot-2.3.5 and I'm trying to figure out why I'm increasingly receiving duplicate emails. The message IDs are exactly the same. It's always two of the same messages. I don't think it's ever occurred in the inbox. It doesn't happen with every message or seemingly in every folder. I've read about dovecot deduplicate, but of course I want to prevent them from being duplicated in the first place. It's also happening much more frequently now. Could something in my configuration cause this problem? Below is the contents of my doveconf # 2.3.5 (513208660): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.5 (2483b085) # OS: Linux 4.20.11-100.fc28.x86_64 x86_64 Fedora release 28 (Twenty Eight) # Hostname: orion.inside.guardiandigital.com # NOTE: Send doveconf -n output instead when asking for help. auth_anonymous_username = anonymous auth_cache_negative_ttl = 1 hours auth_cache_size = 0 auth_cache_ttl = 1 hours auth_cache_verify_password_with_worker = no auth_debug = no auth_debug_passwords = no auth_default_realm = auth_failure_delay = 2 secs auth_gssapi_hostname = auth_krb5_keytab = auth_master_user_separator = auth_mechanisms = plain auth_policy_check_after_auth = yes auth_policy_check_before_auth = yes auth_policy_hash_mech = sha256 auth_policy_hash_nonce = auth_policy_hash_truncate = 12 auth_policy_log_only = no auth_policy_reject_on_fail = no auth_policy_report_after_auth = yes auth_policy_request_attributes = login=%{requested_username} pwhash=%{hashed_password} remote=%{rip} device_id=%{client_id} protocol=%s auth_policy_server_api_header = auth_policy_server_timeout_msecs = 2000 auth_policy_server_url = auth_proxy_self = auth_realms = auth_socket_path = auth-userdb auth_ssl_require_client_cert = no auth_ssl_username_from_cert = no auth_stats = no auth_use_winbind = no auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@ auth_username_format = %Lu auth_username_translation = auth_verbose = no auth_verbose_passwords = no auth_winbind_helper_path = /usr/bin/ntlm_auth auth_worker_max_count = 30 base_dir = /var/run/dovecot config_cache_size = 1 M debug_log_path = default_client_limit = 1000 default_idle_kill = 1 mins default_internal_group = dovecot default_internal_user = dovecot default_login_user = dovenull default_process_limit = 100 default_vsz_limit = 256 M deliver_log_format = msgid=%m: %$ dict_db_config = director_flush_socket = director_mail_servers = director_max_parallel_kicks = 100 director_max_parallel_moves = 100 director_output_buffer_size = 10 M director_ping_idle_timeout = 30 secs director_ping_max_timeout = 1 mins director_servers = director_user_expire = 15 mins director_user_kick_delay = 2 secs director_username_hash = %u disable_plaintext_auth = yes dotlock_use_excl = yes doveadm_allowed_commands = doveadm_api_key = doveadm_http_rawlog_dir = doveadm_password = doveadm_port = 0 doveadm_socket_path = doveadm-server doveadm_username = doveadm doveadm_worker_count = 0 dsync_alt_char = _ dsync_commit_msgs_interval = 100 dsync_features = dsync_hashed_headers = Date Message-ID dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%u -U first_valid_gid = 1 first_valid_uid = 500 haproxy_timeout = 3 secs haproxy_trusted_networks = hostname = imap_capability = imap_client_workarounds = imap_fetch_failure = disconnect-immediately imap_hibernate_timeout = 0 imap_id_log = imap_id_retain = no imap_id_send = name * imap_idle_notify_interval = 2 mins imap_literal_minus = no imap_logout_format = in=%i out=%o deleted=%{deleted} expunged=%{expunged} trashed=%{trashed} hdr_count=%{fetch_hdr_count} hdr_bytes=%{fetch_hdr_bytes} body_count=%{fetch_body_count} body_bytes=%{fetch_body_bytes} imap_max_line_length = 64 k imap_metadata = no imap_urlauth_host = imap_urlauth_logout_format = in=%i out=%o imap_urlauth_port = 143 imapc_cmd_timeout = 5 mins imapc_connection_retry_count = 1 imapc_connection_retry_interval = 1 secs imapc_features = imapc_host = imapc_list_prefix = imapc_master_user = imapc_max_idle_time = 29 mins imapc_max_line_length = 0 imapc_password = imapc_port = 143 imapc_rawlog_dir = imapc_sasl_mechanisms = imapc_ssl = no imapc_ssl_verify = yes imapc_user = import_environment = TZ CORE_OUTOFMEM CORE_ERROR LISTEN_PID LISTEN_FDS info_log_path = instance_name = dovecot last_valid_gid = 0 last_valid_uid = 0 lda_mailbox_autocreate = no lda_mailbox_autosubscribe = no lda_original_recipient_header = libexec_dir = /usr/libexec/dovecot listen = *, :: lmtp_hdr_delivery_address = final lmtp_proxy = no lmtp_proxy_rawlog_dir = lmtp_rawlog_dir = lmtp_rcpt_check_quota = no lmtp_save_to_detail_mailbox = no lmtp_user_concurrency_limit = 0 lock_method = fcntl log_core_filter = log_debug = log_path = syslog log_timestamp = "%b %d %H:%M:%S " login_access_sockets = login_greeting = Dovecot ready. login_log_format = %$: %s login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c session=<%{session}> login_plugin_dir = /usr/lib64/dovecot/login login_plugins = login_proxy_max_disconnect_delay = 0 login_proxy_notify_path = proxy-notify login_source_ips = login_trusted_networks = mail_access_groups = mail_always_cache_fields = mail_attachment_detection_options = mail_attachment_dir = mail_attachment_fs = sis posix mail_attachment_hash = %{sha1} mail_attachment_min_size = 128 k mail_attribute_dict = mail_cache_compress_continued_percentage = 200 mail_cache_compress_delete_percentage = 20 mail_cache_compress_header_continue_count = 4 mail_cache_compress_min_size = 32 k mail_cache_fields = flags mail_cache_min_mail_count = 0 mail_cache_record_max_size = 64 k mail_cache_unaccessed_field_drop = 30 days mail_chroot = mail_debug = no mail_fsync = optimized mail_full_filesystem_access = no mail_gid = mail mail_home = mail/ mail_index_log2_max_age = 2 days mail_index_log_rotate_max_size = 1 M mail_index_log_rotate_min_age = 5 mins mail_index_log_rotate_min_size = 32 k mail_index_rewrite_max_log_bytes = 128 k mail_index_rewrite_min_log_bytes = 8 k mail_location = mbox:~/mail:INBOX=/var/spool/mail/%u mail_log_prefix = "%s(%u)<%{pid}><%{session}>: " mail_max_keyword_length = 50 mail_max_lock_timeout = 0 mail_max_userip_connections = 500 mail_never_cache_fields = imap.envelope mail_nfs_index = no mail_nfs_storage = no mail_plugin_dir = /usr/lib64/dovecot mail_plugins = " listescape" mail_prefetch_count = 0 mail_privileged_group = mail mail_save_crlf = no mail_server_admin = mail_server_comment = mail_shared_explicit_inbox = no mail_sort_max_read_count = 0 mail_temp_dir = /tmp mail_temp_scan_interval = 1 weeks mail_uid = mail_vsize_bg_after_count = 0 mailbox_idle_check_interval = 30 secs mailbox_list_index = yes mailbox_list_index_include_inbox = no mailbox_list_index_very_dirty_syncs = no maildir_broken_filename_sizes = no maildir_copy_with_hardlinks = yes maildir_empty_new = no maildir_stat_dirs = no maildir_very_dirty_syncs = no managesieve_client_workarounds = managesieve_implementation_string = Dovecot Pigeonhole managesieve_logout_format = bytes=%i/%o managesieve_max_compile_errors = 5 managesieve_max_line_length = 65536 managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext master_user_separator = mbox_dirty_syncs = yes mbox_dotlock_change_timeout = 2 mins mbox_lazy_writes = yes mbox_lock_timeout = 5 mins mbox_md5 = apop3d mbox_min_index_size = 0 mbox_read_locks = fcntl mbox_very_dirty_syncs = no mbox_write_locks = fcntl mdbox_preallocate_space = no mdbox_rotate_interval = 0 mdbox_rotate_size = 10 M mmap_disable = no namespace inbox { disabled = no hidden = no ignore_on_failure = no inbox = yes list = yes location = mailbox Drafts { auto = no autoexpunge = 0 autoexpunge_max_mails = 0 comment = driver = special_use = \Drafts } mailbox Junk { auto = no autoexpunge = 0 autoexpunge_max_mails = 0 comment = driver = special_use = \Junk } mailbox Sent { auto = no autoexpunge = 0 autoexpunge_max_mails = 0 comment = driver = special_use = \Sent } mailbox "Sent Messages" { auto = no autoexpunge = 0 autoexpunge_max_mails = 0 comment = driver = special_use = \Sent } mailbox Trash { auto = no autoexpunge = 0 autoexpunge_max_mails = 0 comment = driver = special_use = \Trash } order = 0 prefix = separator = subscriptions = yes type = private } old_stats_carbon_interval = 30 secs old_stats_carbon_name = old_stats_carbon_server = old_stats_command_min_time = 1 mins old_stats_domain_min_time = 12 hours old_stats_ip_min_time = 12 hours old_stats_memory_limit = 16 M old_stats_session_min_time = 15 mins old_stats_user_min_time = 1 hours passdb { args = auth_verbose = default default_fields = deny = no driver = pam master = no mechanisms = name = override_fields = pass = no result_failure = continue result_internalfail = continue result_success = return-ok skip = never username_filter = } passdb { args = auth_verbose = default default_fields = deny = no driver = pam master = no mechanisms = name = override_fields = pass = no result_failure = continue result_internalfail = continue result_success = return-ok skip = never username_filter = } pop3_client_workarounds = pop3_delete_type = default pop3_deleted_flag = pop3_enable_last = no pop3_fast_size_lookups = no pop3_lock_session = no pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s pop3_no_flag_updates = no pop3_reuse_xuidl = no pop3_save_uidl = no pop3_uidl_duplicates = allow pop3_uidl_format = %08Xu%08Xv pop3c_features = pop3c_host = pop3c_master_user = pop3c_password = pop3c_port = 110 pop3c_quick_received_date = no pop3c_rawlog_dir = pop3c_ssl = no pop3c_ssl_verify = yes pop3c_user = %u postmaster_address = postmaster@%{if;%d;ne;;%d;%{hostname}} protocols = imap pop3 quota_full_tempfail = no rawlog_dir = recipient_delimiter = + rejection_reason = Your message to <%t> was automatically rejected:%n%r rejection_subject = Rejected: %s replication_dsync_parameters = -d -N -l 30 -U replication_full_sync_interval = 1 days replication_max_conns = 10 replicator_host = replicator replicator_port = 0 sendmail_path = /usr/sbin/sendmail service aggregator { chroot = . client_limit = 0 drop_priv_before_exec = no executable = aggregator extra_groups = fifo_listener replication-notify-fifo { group = mode = 0600 user = } group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = unix_listener replication-notify { group = mode = 0600 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service anvil { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = anvil extra_groups = group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 1 protocol = service_count = 0 type = anvil unix_listener anvil-auth-penalty { group = mode = 0600 user = } unix_listener anvil { group = mode = 0600 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service auth-worker { chroot = client_limit = 1 drop_priv_before_exec = no executable = auth -w extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 1 type = unix_listener auth-worker { group = mode = 0600 user = $default_internal_user } user = vsz_limit = 18446744073709551615 B } service auth { chroot = client_limit = 0 drop_priv_before_exec = no executable = auth extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-client { group = mode = 0600 user = $default_internal_user } unix_listener auth-login { group = mode = 0600 user = $default_internal_user } unix_listener auth-master { group = mode = 0600 user = } unix_listener auth-userdb { group = mode = 0666 user = $default_internal_user } unix_listener login/login { group = mode = 0666 user = } unix_listener token-login/tokenlogin { group = mode = 0666 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service config { chroot = client_limit = 0 drop_priv_before_exec = no executable = config extra_groups = group = idle_kill = 4294967295 secs privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = config unix_listener config { group = mode = 0600 user = } user = vsz_limit = 18446744073709551615 B } service dict-async { chroot = client_limit = 0 drop_priv_before_exec = no executable = dict extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = unix_listener dict-async { group = $default_internal_group mode = 0660 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service dict { chroot = client_limit = 1 drop_priv_before_exec = no executable = dict extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = unix_listener dict { group = $default_internal_group mode = 0660 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service director { chroot = . client_limit = 0 drop_priv_before_exec = no executable = director extra_groups = fifo_listener login/proxy-notify { group = mode = 00 user = } group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener director-admin { group = mode = 0600 user = } unix_listener login/director { group = mode = 00 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service dns_client { chroot = client_limit = 1 drop_priv_before_exec = no executable = dns-client extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = unix_listener dns-client { group = mode = 0666 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service doveadm { chroot = client_limit = 1 drop_priv_before_exec = no executable = doveadm-server extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 1 type = unix_listener doveadm-server { group = mode = 0600 user = } user = vsz_limit = 18446744073709551615 B } service imap-hibernate { chroot = client_limit = 0 drop_priv_before_exec = no executable = imap-hibernate extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = imap service_count = 0 type = unix_listener imap-hibernate { group = $default_internal_group mode = 0660 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service imap-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = imap-login extra_groups = group = idle_kill = 0 inet_listener imap { address = haproxy = no port = 0 reuse_port = no ssl = no } inet_listener imaps { address = haproxy = no port = 993 reuse_port = no ssl = yes } privileged_group = process_limit = 0 process_min_avail = 20 protocol = imap service_count = 0 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service imap-urlauth-login { chroot = token-login client_limit = 0 drop_priv_before_exec = no executable = imap-urlauth-login extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = imap service_count = 1 type = login unix_listener imap-urlauth { group = mode = 0666 user = } user = $default_login_user vsz_limit = 18446744073709551615 B } service imap-urlauth-worker { chroot = client_limit = 1 drop_priv_before_exec = no executable = imap-urlauth-worker extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 1024 process_min_avail = 0 protocol = imap service_count = 1 type = unix_listener imap-urlauth-worker { group = mode = 0600 user = $default_internal_user } user = vsz_limit = 18446744073709551615 B } service imap-urlauth { chroot = client_limit = 1 drop_priv_before_exec = no executable = imap-urlauth extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1024 process_min_avail = 0 protocol = imap service_count = 1 type = unix_listener token-login/imap-urlauth { group = mode = 0666 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service imap { chroot = client_limit = 1 drop_priv_before_exec = no executable = imap extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 1024 process_min_avail = 0 protocol = imap service_count = 1 type = unix_listener imap-master { group = mode = 0600 user = } unix_listener login/imap { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service indexer-worker { chroot = client_limit = 1 drop_priv_before_exec = no executable = indexer-worker extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 10 process_min_avail = 0 protocol = service_count = 0 type = unix_listener indexer-worker { group = mode = 0600 user = $default_internal_user } user = vsz_limit = 18446744073709551615 B } service indexer { chroot = client_limit = 0 drop_priv_before_exec = no executable = indexer extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener indexer { group = mode = 0666 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service ipc { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = ipc extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener ipc { group = mode = 0600 user = $default_internal_user } unix_listener login/ipc-proxy { group = mode = 0600 user = $default_login_user } user = $default_internal_user vsz_limit = 18446744073709551615 B } service lmtp { chroot = client_limit = 1 drop_priv_before_exec = no executable = lmtp extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = lmtp service_count = 0 type = unix_listener lmtp { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service log { chroot = client_limit = 0 drop_priv_before_exec = no executable = log extra_groups = group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = log unix_listener log-errors { group = mode = 0600 user = } user = vsz_limit = 18446744073709551615 B } service managesieve-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = managesieve-login extra_groups = group = idle_kill = 0 inet_listener sieve { address = haproxy = no port = 4190 reuse_port = no ssl = no } privileged_group = process_limit = 0 process_min_avail = 0 protocol = sieve service_count = 1 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service managesieve { chroot = client_limit = 1 drop_priv_before_exec = no executable = managesieve extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = sieve service_count = 1 type = unix_listener login/sieve { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service old-stats { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = old-stats extra_groups = fifo_listener old-stats-mail { group = mode = 0600 user = } fifo_listener old-stats-user { group = mode = 0600 user = } group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener old-stats { group = mode = 0600 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service pop3-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = pop3-login extra_groups = group = idle_kill = 0 inet_listener pop3 { address = haproxy = no port = 0 reuse_port = no ssl = no } inet_listener pop3s { address = 192.168.1.100 haproxy = no port = 995 reuse_port = no ssl = yes } privileged_group = process_limit = 0 process_min_avail = 0 protocol = pop3 service_count = 1 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service pop3 { chroot = client_limit = 1 drop_priv_before_exec = no executable = pop3 extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 1024 process_min_avail = 0 protocol = pop3 service_count = 1 type = unix_listener login/pop3 { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service replicator { chroot = client_limit = 0 drop_priv_before_exec = no executable = replicator extra_groups = group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener replicator-doveadm { group = mode = 00 user = $default_internal_user } unix_listener replicator { group = mode = 0600 user = $default_internal_user } user = vsz_limit = 18446744073709551615 B } service stats { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = stats extra_groups = group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener stats-reader { group = mode = 0600 user = } unix_listener stats-writer { group = $default_internal_group mode = 0660 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service submission-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = submission-login extra_groups = group = idle_kill = 0 inet_listener submission { address = haproxy = no port = 587 reuse_port = no ssl = no } privileged_group = process_limit = 0 process_min_avail = 0 protocol = submission service_count = 1 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service submission { chroot = client_limit = 1 drop_priv_before_exec = no executable = submission extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 1024 process_min_avail = 0 protocol = submission service_count = 1 type = unix_listener login/submission { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } shutdown_clients = yes ssl = yes ssl_alt_cert = ssl_alt_key = ssl_ca = ssl_cert = </etc/letsencrypt/fullchain.pem ssl_cert_username_field = commonName ssl_cipher_list = ALL:!LOW:!EXP:!aNULL:!RC4::!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS ssl_client_ca_dir = ssl_client_ca_file = ssl_client_cert = ssl_client_key = ssl_crypto_device = ssl_curve_list = ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_key_password = ssl_min_protocol = TLSv1 ssl_options = ssl_prefer_server_ciphers = yes ssl_require_crl = yes ssl_verify_client_cert = no state_dir = /var/lib/dovecot stats_writer_socket_path = stats-writer submission_client_workarounds = submission_host = submission_logout_format = in=%i out=%o submission_max_mail_size = 40 M submission_max_recipients = 0 submission_relay_command_timeout = 5 mins submission_relay_connect_timeout = 30 secs submission_relay_host = submission_relay_master_user = submission_relay_max_idle_time = 29 mins submission_relay_password = submission_relay_port = 25 submission_relay_rawlog_dir = submission_relay_ssl = no submission_relay_ssl_verify = yes submission_relay_trusted = no submission_relay_user = submission_ssl = no submission_timeout = 30 secs syslog_facility = mail userdb { args = auth_verbose = default default_fields = driver = passwd name = override_fields = result_failure = continue result_internalfail = continue result_success = return-ok skip = never } userdb { args = auth_verbose = default default_fields = driver = passwd name = override_fields = result_failure = continue result_internalfail = continue result_success = return-ok skip = never } valid_chroot_dirs = verbose_proctitle = no verbose_ssl = no version_ignore = no

4 4

ssl_min_protocol
by ＠lbutlr 02 Apr '19

02 Apr '19

What are the possible settings for ssl_min_protocol? I only see it on the upgrade page where it mentions the default is TLSv1. Searching on the dovecot page gives me "Your search query "ssl_min_protocol" didn't return any results." -- Up the airy mountains, down the rushy glen... From ghosties and bogles and long-leggity beasties... My mother said I never should... We dare not go a-hunting for fear... And things that go bump... Play with the fairies in the wood... --Lords and Ladies

2 1

sql table definitions
by Richard Hector 02 Apr '19

02 Apr '19

Hi all, Trivial question ... I'm using PostgreSQL for my auth db. I used the example CREATE TABLE statement in the config file, but now I find the fields are too short. I assume dovecot will be fine with 'text' type columns replacing the varchars? Or failing that, I can change the length of the varchar fields? Cheers, Richard

2 1

Issue with dovecot/director
by Nico Stöckigt 01 Apr '19

01 Apr '19

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi, are there any known issues with dovecot/director (2.2.13) when receiving e-an mail with multiple receivers? In the given scenario the e-mail contains 3 recipients and is redirected by the director to 3 different mail servers (ox/dovecot @ UCS/univention). In this process the first 2 e-mails are just fine but the third e-mail is truncated somewhere in or after the header. Kind Regards Nico Stöckigt - -- Nico Stöckigt <stoeckigt(a)univention.de> Support Univention -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEoGjDpba412f0rm1CjVdPG/rdoykFAlyiPGoACgkQjVdPG/rd oyl+IRAAp11JHenIkDeonGV+tbj3nFF4RigPp85TiJmD2l/kddP5mMR/Bw+vMAc6 taHjfS4Myf6v+jCrn+FS+C2isZaassnqZF1JcyllT5RSvxzrSKl6ojf9vVl3jyfu gZ7RlVOqBqskSHkVsT4fmzFuGMRaTQBN7CtgQH3MXPcN477060WDiZ11x+w+2+be eI0hQID3X3CBRmhaYyXMsgwUCHF36dVYlzEnUy6yge2FuwgwonZASC9xueVQGN5b KYf66LmubJTERGo3XK7454s3jM6oEiz731Os7g/zHyd8X6fgpCaR1nre8x0xfe1I bz86GJzm3b+1Fme8++yxlGhTEERtNkw0znQG7LOw8fqY5ctD12kdxBgXQOgcLkjh 98zJD44wC8y9lRKfZ3Lydfq768U3D47AjmPY0u9Zp1YKdNS8PEsNk0iHaRn5ZpT0 0V+wfTTkh3jFFuaqqd0hgamwRuwkNfFNyGvNAd5x4nMUIGUZ1pI3ikGP8oGaLDMs iSo1YxXkUojZ9A2xMQ8bDbWLjpyj/YYw+Cs6t1QcP0h2HDATc7QrHMO02ajKXDW+ ZxsI4VvEplv4GhbMuhavRYhZk01fI1hdeV1+PvkcAsqxaljoJDSyqZP78A81f7F4 DWComweyk/k+BzLjiQPKhv7AjaXnjDVeJfVxLl8VYoW4jD/4aFc= =MGL8 -----END PGP SIGNATURE-----

2 3

mail_crypt not working on incoming messages?
by Dave 01 Apr '19

01 Apr '19

[Dovecot v2.2.33.2] I'm testing out mail_crypt on a fresh Dovecot install to get a feel for how it works, but I'm running into something unexpected. The mail_crypt plugin does seem to be working, but NOT on incoming email. What I mean is, if I send a test email to the server that has Dovecot installed, the message correctly arrives in the user's Maildir folder (I'm using Maildir format, not mbox), as I can see the mail message file appear. However, the message file is in plaintext and is not encrypted. But, if, using my Thunderbird email client connected to that account via IMAP, I move that message out of the inbox of that account to a folder on another account, and then move it back in to the original inbox, the file that appears in the Maildir folder structure IS encrypted. I have confirmed that mail_crypt is active in 10-mail.conf, 20-imap.conf, and 20-pop3.conf. The global public and private keys are working because (a) there are no errors and (b) it DOES encrypt -- just not on incoming email. mail_crypt_save_version is set 2, as per the docs for Dovecot 2 instruct. What am I missing? Does anyone have any thoughts as to why JUST incoming messages aren't encrypted, but that messages moved into the IMAP account DO get encrypted? Did I set up something incorrectly? I'm using sendmail as the MTA, if that matters, and messages are routed to the user's Maildir folder structure using a .procmailrc in that user's home folder. -Dave

2 3

dovecot ssl error message from my own connections
by Esteban L 01 Apr '19

01 Apr '19

Hello all, Just a minor thing. Not a big deal, because everything works fine, and I feel secure with my setup. But, I get this error message pretty much throughout the day/night, which appears to come from my own mail clients (desktop or mobile). I would like to resolve it, because it must me something (that is not good--that I may not understand), that may have other ramifications. So, here it is. date time myserver dovecot: imap-login: Debug: SSL error: SSL_read() syscall failed: Connection reset by peer Anyone have a suggestion of what this might hint to, other than obvious SSL. I tried parsing through various logs, but the most I find is just this single line. I can produce it, whenever I close my email client. Thanks in advance.

4 5

Possible bug with last_login plugin and PostgreSQL
by Zhang Huangbin 01 Apr '19

01 Apr '19

Dear all, I'm trying to get last_login plugin working with PostgreSQL, but seems Dovecot doesn't handle duplicate key while updating last login time (note: same setting works fine with MariaDB). I wonder whether it's a bug of Dovecot or i should handle this with PostgreSQL trigger. OS: OpenBSD 6.4 (amd64) Dovecot: 2.2.36 PostgreSQL: 10.5 Error log: ################### Mar 31 11:15:21 ob dovecot: imap-login: Login: user=<postmaster(a)a.io>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=5936, TLS, session=<63/jV2CFhzt/AAAB> Mar 31 11:15:21 ob dovecot: imap(postmaster(a)a.io): Logged out in=300 out=1604 Mar 31 11:15:21 ob dovecot: imap-login: Login: user=<postmaster(a)a.io>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=29797, TLS, session=<lLboV2CFuZ9/AAAB> Mar 31 11:15:21 ob dovecot: dict(9584): Error: sql dict: commit failed: ERROR: duplicate key value violates unique constraint "last_login_pkey" Mar 31 11:15:21 ob dovecot: dict: Error: DETAIL: Key (username)=(postmaster(a)a.io) already exists. Mar 31 11:15:21 ob dovecot: imap(postmaster(a)a.io): Error: dict-client: server returned failure: 1554023721 (reply took 0.012 secs) Mar 31 11:15:21 ob dovecot: imap(postmaster(a)a.io): Error: last_login_dict: Failed to write value for user postmaster(a)a.io Mar 31 11:15:21 ob dovecot: imap(postmaster(a)a.io): Logged out in=70 out=732 ################## My Dovecot config: ################### protocol imap { mail_plugins = ... last_login ... } protocol pop3 { mail_plugins = ... last_login ... } plugin { last_login_dict = proxy::lastlogin #last_login_key = last-login/%u ... } dict { lastlogin = pgsql:/etc/dovecot/dovecot-last-login.conf ... } ################### SQL commands used to create PostgreSQL table: ########### CREATE TABLE last_login ( username VARCHAR(255) NOT NULL, last_login INT DEFAULT NULL, PRIMARY KEY (username) ); ########### File /etc/dovecot/dovecot-last-login.conf: ########### connect = host=127.0.0.1 port=5432 dbname=vmail user=vmailadmin password=<password> map { pattern = shared/last-login/$user table = last_login value_field = last_login value_type = uint fields { username = $user } } ##############

1 1

I have a question.
by 김태용 01 Apr '19

01 Apr '19

Hi. I have a question. Can I limit the maximum number of messages I can sync per mailbox? Even if there are 10000 messages, I want to sync with the specified number of times. Ex)max sync mail count = 5000 (or 1000 or 2000..Outlook view message 5000) Thank you.

2 2

CentOS Repository broken ?
by Günther J. Niederwimmer 01 Apr '19

01 Apr '19

Hello, I have a CentOS 7 server with dovecot Repository enabled. But it is not possible to Update with Yum Update I have this Error? The dovecot package is missing? --> Transaktionsprüfung wird ausgeführt ---> Paket dovecot-imaptest.x86_64 2:2.3.5-1 markiert, um aktualisiert zu werden ---> Paket dovecot-imaptest.x86_64 2:2.3.5.1-1 markiert, um eine Aktualisierung zu werden --> Abhängigkeit dovecot = 2:2.3.5.1-1 wird für Paket 2:dovecot- imaptest-2.3.5.1-1.x86_64 verarbeitet ---> Paket dovecot-lua.x86_64 2:2.3.5-1 markiert, um aktualisiert zu werden ---> Paket dovecot-lua.x86_64 2:2.3.5.1-1 markiert, um eine Aktualisierung zu werden --> Abhängigkeit dovecot = 2:2.3.5.1-1 wird für Paket 2:dovecot- lua-2.3.5.1-1.x86_64 verarbeitet --> Abhängigkeitsauflösung beendet Fehler: Paket: 2:dovecot-imaptest-2.3.5.1-1.x86_64 (dovecot-2.3-latest) Benötigt: dovecot = 2:2.3.5.1-1 Installiert: 2:dovecot-2.3.5-1.x86_64 (installed) dovecot = 2:2.3.5-1 Verfügbar: 1:dovecot-2.2.36-3.el7.i686 (base) dovecot = 1:2.2.36-3.el7 Fehler: Paket: 2:dovecot-lua-2.3.5.1-1.x86_64 (dovecot-2.3-latest) Benötigt: dovecot = 2:2.3.5.1-1 Installiert: 2:dovecot-2.3.5-1.x86_64 (installed) dovecot = 2:2.3.5-1 Verfügbar: 1:dovecot-2.2.36-3.el7.i686 (base) dovecot = 1:2.2.36-3.el7 Thanks for repair. -- mit freundliche Grüßen / best regards, Günther J. Niederwimmer

5 12

Why is 'sent' folder missing in my MUA(email client)
by luckydog xf 31 Mar '19

31 Mar '19

hello, I'm successfully send and receive emails by postfix and dovecot, but folder name 'Sent' is gone, all sent emails are located in Drafts folder. Anything wrong? Guess it has something to do with mailbox and location. Here is `doveconf -n` ------------------ auth_cache_size = 1 M auth_debug_passwords = yes auth_mechanisms = plain login auth_ssl_username_from_cert = yes auth_verbose = yes auth_verbose_passwords = yes import_environment = TZ login_trusted_networks = 172.16.0.0/12 mail_location = maildir:/var/mail/%n/Maildir mail_privileged_group = mail namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } protocols = imap lmtp service auth-worker { user = $default_internal_user } service auth { unix_listener /var/spool/postfix/private/auth { mode = 0666 } } service imap-login { inet_listener imap { port = 0 } inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener lmtp { mode = 0666 } } service pop3-login { inet_listener pop3 { port = 110 } } ssl = required ssl_cert = </etc/ssl/certs/dovecot.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { driver = prefetch } userdb { args = uid=mail gid=mail home=/var/mail/%u driver = static } verbose_proctitle = yes ----- I also checked mail dir, it has /var/mail/XXX/Maildir/.send/ So anything wrong? Thanks,

1 1

Attachment indicator
by azurit＠pobox.sk 29 Mar '19

29 Mar '19

Hi, if i use 'doveadm rebuild attachments' command with maildir mailboxes, will anything happen to files with emails? For example, will file name change? Or better, will anything, which could trigger data backup, happen to files containing emails? Thanks. azur

1 0

configuring Dovecot with wforced and auth_policy_server_url with https results in assertion failed
by Robert Kudyba 29 Mar '19

29 Mar '19

dovecot-2.3.3-1.fc29.x86_64 Mar 28 10:04:47 auth: Panic: file http-client-request.c: line 283 (http_client_request_unref): assertion failed: (req->refcount > 0) Mar 28 10:04:47 auth: Error: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xe34fb) [0x7fe76e0834fb] -> /usr/lib64/dovecot/libdovecot.so.0(+0xe3597) [0x7fe76e083597] -> /usr/lib64/dovecot/libdovecot.so.0(+0x51207) [0x7fe76dff1207] -> /usr/lib64/dovecot/libdovecot.so.0(+0x4972b) [0x7fe76dfe972b] -> /usr/lib64/dovecot/libdovecot.so.0(http_client_request_destroy+0x107) [0x7fe76e02cf87] -> /usr/lib64/dovecot/libdovecot.so.0(http_client_deinit+0x4c) [0x7fe76e03b9ec] -> dovecot/auth(auth_policy_deinit+0x1e) [0x55facfdb350e] -> dovecot/auth(main+0x3e1) [0x55facfdae3c1] -> /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fe76dd93413] -> dovecot/auth(_start+0x2e) [0x55facfdae57e] Mar 28 10:04:47 auth: Fatal: master: service(auth): child 31162 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set /proc/sys/fs/suid_dumpable to 2) Mar 28 10:04:48 master: Info: Dovecot v2.3.3 (dcead646b) starting up for imap, pop3

2 9

Fwd: segfault in libdovecot-storage at unknown circumstances
by sergio 29 Mar '19

29 Mar '19

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925961 -------- Forwarded Message -------- Subject: segfault in libdovecot-storage at unknown circumstances Date: Fri, 29 Mar 2019 16:34:15 +0300 From: sergio <sergio+it(a)outerface.net> To: Debian Bug Tracking System <submit(a)bugs.debian.org> Package: dovecot-core Version: 1:2.3.4.1-1~bpo9+1 Severity: normal Yes, I know this is not very informative. I've already set ALLOW_COREDUMPS to 1 in /etc/default/dovecot and waiting for the next fault. % grep segfa kern.log* kern.log.1: Mar 17 13:27:09 mail kernel: [118616.482998] imap[31111]: segfault at 8 ip 00007efbff924cbb sp 00007fff0b333890 error 4 in libdovecot-storage.so.0.0.0[7efbff858000+145000] % zgrep segfa kern.log*gz kern.log.2.gz:Mar 15 01:51:07 mail kernel: [1691560.449110] imap[8329]: segfault at 8 ip 00007ff38ae2390e sp 00007ffcd3317640 error 4 kern.log.2.gz:Mar 15 01:51:07 mail kernel: [1691560.449117] imap[8380]: segfault at 8 ip 00007fea0c1c890e sp 00007ffdc7607150 error 4 in libdovecot-storage.so.0.0.0[7fea0c10d000+12c000] kern.log.2.gz:Mar 15 01:51:07 mail kernel: [1691560.449438] imap[8371]: segfault at 8 ip 00007f4775b0490e sp 00007ffce2814cc0 error 4 in libdovecot-storage.so.0.0.0[7f4775a49000+12c000] kern.log.2.gz:Mar 15 01:51:07 mail kernel: [1691560.461685] imap[2435]: segfault at 8 ip 00007fa8cb0ab90e sp 00007ffc4185e130 error 4 in libdovecot-storage.so.0.0.0[7fa8caff0000+12c000] kern.log.3.gz:Mar 13 02:35:33 mail kernel: [1521426.802606] imap[11824]: segfault at 8 ip 00007fa1b95d290e sp 00007ffd935de700 error 4 kern.log.3.gz:Mar 13 02:35:33 mail kernel: [1521426.802614] imap[11827]: segfault at 8 ip 00007f1afe53490e sp 00007fffbeb753d0 error 4 in libdovecot-storage.so.0.0.0[7f1afe479000+12c000] kern.log.3.gz:Mar 13 02:35:33 mail kernel: [1521426.802983] imap[11837]: segfault at 8 ip 00007f70b5c9b90e sp 00007ffd7f80bc80 error 4 in libdovecot-storage.so.0.0.0[7f70b5be0000+12c000] % grep 'signal 11' mail.err* mail.err.1: Mar 17 13:27:09 mail dovecot: imap(sergio)<31111><lLOIej6EEN1Pht53>: Fatal: master: service(imap): child 31111 killed with signal 11 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) % zgrep 'signal 11' mail.err* mail.err.1:Mar 17 13:27:09 mail dovecot: imap(sergio)<31111><lLOIej6EEN1Pht53>: Fatal: master: service(imap): child 31111 killed with signal 11 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) mail.err.2.gz:Mar 15 01:51:07 mail dovecot: imap(sergio): Fatal: master: service(imap): child 8371 killed with signal 11 (core dumps disabled) mail.err.2.gz:Mar 15 01:51:07 mail dovecot: imap(sergio): Fatal: master: service(imap): child 8380 killed with signal 11 (core dumps disabled) mail.err.2.gz:Mar 15 01:51:07 mail dovecot: imap(sergio): Fatal: master: service(imap): child 8329 killed with signal 11 (core dumps disabled) mail.err.2.gz:Mar 15 01:51:07 mail dovecot: imap(sergio): Fatal: master: service(imap): child 2435 killed with signal 11 (core dumps disabled) mail.err.3.gz:Mar 13 02:35:33 mail dovecot: imap(sergio): Fatal: master: service(imap): child 11827 killed with signal 11 (core dumps disabled) mail.err.3.gz:Mar 13 02:35:33 mail dovecot: imap(sergio): Fatal: master: service(imap): child 11837 killed with signal 11 (core dumps disabled) mail.err.3.gz:Mar 13 02:35:33 mail dovecot: imap(sergio): Fatal: master: service(imap): child 11824 killed with signal 11 (core dumps disabled) % s dovecot -n # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 () doveconf: Warning: service auth { client_limit=1000 } is lower than required under max. load (1324) doveconf: Warning: service anvil { client_limit=1000 } is lower than required under max. load (1227) # OS: Linux 4.9.0-8-amd64 x86_64 Debian 9.8 ext4 # Hostname: mail.outerface.net auth_verbose = yes lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes lmtp_rcpt_check_quota = yes lmtp_save_to_detail_mailbox = yes mail_home = /var/mail/%u mail_location = sdbox:/var/mail/%u mail_plugins = quota fts virtual mail_privileged_group = mail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext spamtest spamtestplus namespace { location = virtual:~/mailboxes/virtual prefix = virtual/ separator = / } namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Spam { special_use = \Junk } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { fts_autoindex = yes quota = count:User quota quota_grace = 10%% quota_rule = *:storage=2G quota_vsizes = yes sieve = file:~/sieve;active=~/.dovecot.sieve sieve_extensions = +spamtest +spamtestplus sieve_global = /etc/dovecot/sieve/ sieve_spamtest_max_value = 120 sieve_spamtest_status_header = X-Spam_score_int sieve_spamtest_status_type = score } protocols = " imap lmtp sieve" service auth-worker { user = $default_internal_user } service auth { unix_listener auth-client { mode = 0666 user = mail } } service imap-login { inet_listener imaps { port = 0 } process_limit = 1024 service_count = 1 vsz_limit = 64 M } service imap { process_limit = 1024 } ssl = required ssl_cert = </etc/ssl/localcerts/outerface.net-cert.pem ssl_cipher_list = ECDHE-ECDSA-AES256-GCM-SHA384 ssl_client_ca_dir = /etc/ssl/certs ssl_key = # hidden, use -P to show it ssl_min_protocol = TLSv1.2 userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol lmtp { mail_fsync = optimized mail_plugins = quota fts virtual sieve } protocol lda { mail_fsync = optimized } protocol imap { mail_max_userip_connections = 128 mail_plugins = quota fts virtual imap_zlib quota } -- sergio.

1 0

Purges now happen 5 times faster
by Steve Litt 29 Mar '19

29 Mar '19

Hi all, I use Claws-Mail to look inside my local (same metal) Dovecot server. All incoming mail is dumped into Dovecot folders via procmail. All of a sudden today, mass purges of "marked for delete" happen about 5 times faster. The process used to be a significant productivity destroyer, but now is easy to work with. In other words, it's a good thing, but until I know why this happened, I'll have that little voice inside telling me there's some evil side effect somewhere. Does anybody know any reason this should have happened? I'm using Dovecot 2.3.5 (513208660) and Claws-Mail 3.17.3. Thanks, SteveT

1 0

v2.2.27 Panic: file rfc822-parser.h: line 23 (rfc822_parser_deinit): assertion failed: (ctx->data <= ctx->end)
by Jason Lewis 29 Mar '19

29 Mar '19

Hi, I've been having an issue with the indexer giving me errors on mailbox in dovecot. I managed to narrow it down to a specific email in that mailbox. Various dovecot functions have issues with this email. The email itself is just spam. I can email it to you if you want to analyse it. I did run it through mbox-anonymize but its not clear to me that that would be of any use. Happy to email the suspect email privately to anyone who wants it. /home is mounted nfs4 and is zfs on the nfs server. Dovecot is installed from Debian Jessie. $ /usr/sbin/dovecot --version 2.2.27 (c0f36b0) dovecot-core: Installed: 1:2.2.27-3+deb9u2~bpo8+1 Candidate: 1:2.2.27-3+deb9u2~bpo8+1 Version table: *** 1:2.2.27-3+deb9u2~bpo8+1 0 100 /var/lib/dpkg/status 1:2.2.13-12~deb8u5 0 400 http://security.debian.org/ jessie/updates/main amd64 Packages 1:2.2.13-12~deb8u4 0 400 http://deb.debian.org/debian/ jessie/main amd64 Packages ~# dovecot -n # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.16 (fed8554) # OS: Linux 4.9.0-0.bpo.6-amd64 x86_64 Debian 8.10 imap_hibernate_timeout = 5 secs mail_location = maildir:~/Maildir mail_plugins = fts fts_solr mailbox_list_index = yes namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { driver = pam } plugin { fts = solr fts_autoindex = yes fts_enforced = yes fts_solr = url=http://10.0.2.19:8080/solr/ imapsieve_mailbox1_before = file:/etc/dovecot/train-as-spam.sieve imapsieve_mailbox1_causes = COPY imapsieve_mailbox1_name = Junk imapsieve_mailbox2_before = file:/etc/dovecot/train-as-ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Junk imapsieve_mailbox2_name = * sieve = file:~/sieve;active=~/.dovecot.sieve sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment sieve_pipe_bin_dir = /usr/bin sieve_plugins = sieve_imapsieve sieve_extprograms } protocols = " imap" service anvil { client_limit = 1127 } service auth { client_limit = 2200 unix_listener /var/spool/postfix/private/auth { mode = 0666 } } service imap-hibernate { unix_listener imap-hibernate { group = dovecot mode = 0660 } } service imap-login { process_limit = 1024 process_min_avail = 12 service_count = 0 vsz_limit = 1 G } service imap { extra_groups = dovecot unix_listener imap-master { user = dovecot } } ssl_cert = </etc/letsencrypt/live/imap.organictrader.com.au/fullchain.pem ssl_key = # hidden, use -P to show it userdb { driver = passwd } protocol imap { mail_max_userip_connections = 20 mail_plugins = fts fts_solr imap_sieve } jason@debian:~$ doveadm -D -f flow fetch imap.envelope mailbox crm-spam.2008.g Debug: Loading modules from directory: /usr/lib/dovecot/modules Debug: Module loaded: /usr/lib/dovecot/modules/lib20_fts_plugin.so Debug: Module loaded: /usr/lib/dovecot/modules/lib21_fts_solr_plugin.so Debug: Loading modules from directory: /usr/lib/dovecot/modules/doveadm Debug: Skipping module doveadm_acl_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_acl_plugin.so: undefined symbol: acl_user_module (this is usually intentional, so just ignore this message) Debug: Skipping module doveadm_expire_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_expire_plugin.so: undefined symbol: expire_set_deinit (this is usually intentional, so just ignore this message) Debug: Skipping module doveadm_quota_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_quota_plugin.so: undefined symbol: quota_user_module (this is usually intentional, so just ignore this message) Debug: Module loaded: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_sieve_plugin.so Debug: Skipping module doveadm_fts_lucene_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib20_doveadm_fts_lucene_plugin.so: undefined symbol: lucene_index_iter_deinit (this is usually intentional, so just ignore this message) Debug: Module loaded: /usr/lib/dovecot/modules/doveadm/lib20_doveadm_fts_plugin.so Debug: Skipping module doveadm_mail_crypt_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/libdoveadm_mail_crypt_plugin.so: undefined symbol: mail_crypt_box_get_pvt_digests (this is usually intentional, so just ignore this message) doveadm(jason): Debug: Effective uid=1000, gid=1000, home=/home/jason doveadm(jason): Debug: Namespace inbox: type=private, prefix=, sep=, inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir doveadm(jason): Debug: maildir++: root=/home/jason/Maildir, index=, indexpvt=, control=, inbox=/home/jason/Maildir, alt= doveadm(jason): Debug: Namespace : Using permissions from /home/jason/Maildir: mode=0700 gid=default doveadm(jason): Debug: Mailbox crm-spam.2008.g: Opened mail UID=38 because: 1/10 headers not cached (first=Sender) (Mail has other cached fields, reset_id=1553472765) doveadm(jason): Panic: file rfc822-parser.h: line 23 (rfc822_parser_deinit): assertion failed: (ctx->data <= ctx->end) doveadm(jason): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x989ae) [0x7f170b1389ae] -> /usr/lib/dovecot/libdovecot.so.0(+0x98a28) [0x7f170b138a28] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f170b0ce67e] -> /usr/lib/dovecot/libdovecot.so.0(+0x7c97d) [0x7f170b11c97d] -> /usr/lib/dovecot/libdovecot.so.0(message_address_parse+0x55) [0x7f170b11c9e5] -> /usr/lib/dovecot/libdovecot.so.0(imap_envelope_parse_header+0x144) [0x7f170b110374] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_parse_header+0xfe) [0x7f170b47422e] -> /usr/lib/dovecot/libdovecot.so.0(+0x7979f) [0x7f170b11979f] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x53) [0x7f170b1437e3] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) [0x7f170b14422d] -> /usr/lib/dovecot/libdovecot.so.0(message_parse_header_next+0x72) [0x7f170b11f3d2] -> /usr/lib/dovecot/libdovecot.so.0(message_parse_header+0x4f) [0x7f170b11fd7f] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_headers_get_envelope+0x138) [0x7f170b475448] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_get_special+0x1a1) [0x7f170b4796c1] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x69dd3) [0x7f170b42fdd3] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_get_special+0xd) [0x7f170b400a8d] -> /usr/bin/doveadm(+0x2dca8) [0x562378dd4ca8] -> /usr/bin/doveadm(+0x2ed7e) [0x562378dd5d7e] -> /usr/bin/doveadm(+0x2a57c) [0x562378dd157c] -> /usr/bin/doveadm(+0x2b0da) [0x562378dd20da] -> /usr/bin/doveadm(doveadm_cmd_ver2_to_mail_cmd_wrapper+0x21f) [0x562378dd2f5f] -> /usr/bin/doveadm(doveadm_cmd_run_ver2+0x560) [0x562378de2390] -> /usr/bin/doveadm(doveadm_cmd_try_run_ver2+0x37) [0x562378de23e7] -> /usr/bin/doveadm(main+0x1e4) [0x562378dc1f44] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f170ad16b45] -> /usr/bin/doveadm(+0x1b32c) [0x562378dc232c] Aborted (core dumped) jason@debian:~$ gdb /usr/bin/doveadm /home/jason/core GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1 Copyright (C) 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/doveadm...(no debugging symbols found)...done. [New LWP 22454] Core was generated by `/usr/bin/doveadm -D -f flow fetch imap.envelope mailbox crm-spam.2008.g'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f170ad2a067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) bt full #0 0x00007f170ad2a067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 resultvar = 0 pid = 22454 selftid = 22454 #1 0x00007f170ad2b448 in __GI_abort () at abort.c:89 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {1024, 94710351668199, 94710351535940, 139736942472005, 94710351536940, 0, 94710367714600, 513, 13251895700223756544, 94710367714600, 139736946974659, 94710367714600, 140734907147216, 4294967040, 139736946975017, 94710367714600}}, sa_flags = 185808618, sa_restorer = 0x7fff6625e401} sigs = {__val = {32, 0 <repeats 15 times>}} #2 0x00007f170b1389a6 in ?? () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #3 0x00007f170b138a28 in default_fatal_handler () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #4 0x00007f170b0ce67e in i_panic () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #5 0x00007f170b11c97d in ?? () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #6 0x00007f170b11c9e5 in message_address_parse () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #7 0x00007f170b110374 in imap_envelope_parse_header () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #8 0x00007f170b47422e in index_mail_parse_header () from /usr/lib/dovecot/libdovecot-storage.so.0 No symbol table info available. #9 0x00007f170b11979f in ?? () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #10 0x00007f170b1437e3 in i_stream_read () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #11 0x00007f170b14422d in i_stream_read_data () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #12 0x00007f170b11f3d2 in message_parse_header_next () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #13 0x00007f170b11fd7f in message_parse_header () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #14 0x00007f170b475448 in index_mail_headers_get_envelope () from /usr/lib/dovecot/libdovecot-storage.so.0 No symbol table info available. #15 0x00007f170b4796c1 in index_mail_get_special () from /usr/lib/dovecot/libdovecot-storage.so.0 No symbol table info available. #16 0x00007f170b42fdd3 in ?? () from /usr/lib/dovecot/libdovecot-storage.so.0 No symbol table info available. ---Type <return> to continue, or q <return> to quit--- #17 0x00007f170b400a8d in mail_get_special () from /usr/lib/dovecot/libdovecot-storage.so.0 No symbol table info available. #18 0x0000562378dd4ca8 in ?? () No symbol table info available. #19 0x0000562378dd5d7e in ?? () No symbol table info available. #20 0x0000562378dd157c in ?? () No symbol table info available. #21 0x0000562378dd20da in ?? () No symbol table info available. #22 0x0000562378dd2f5f in doveadm_cmd_ver2_to_mail_cmd_wrapper () No symbol table info available. #23 0x0000562378de2390 in doveadm_cmd_run_ver2 () No symbol table info available. #24 0x0000562378de23e7 in doveadm_cmd_try_run_ver2 () No symbol table info available. #25 0x0000562378dc1f44 in main () No symbol table info available. (gdb) -- Jason Lewis http://emacstragic.net

5 9

Apparmor problem
by Ervin Hegedüs 28 Mar '19

28 Mar '19

Hi there, I know this isn't a Dovecot issue, but hope that somebody can helps me. I've successfully installed and configured Dovecot to a Debian 9 server. Looks like everything works as well, I just see a line in the log when I send a mail: Mar 28 22:21:47 mailng kernel: [3150146.825007] audit: type=1400 audit(1553808107.757:286204): apparmor="DENIED" operation="open" profile="/usr/lib/dovecot/dovecot-lda" name="/usr/share/dovecot/protocols.d/" pid=26197 comm="doveconf" requested_mask="r" denied_mask="r" fsuid=5000 ouid=0 The /usr/share/dovecot/protocols.d/ directory and its content (.../protocols.d/**) set up in usr.lib.dovecot.dovecot-lda apparmor profile with mask "r", but this line every time comes, when I send a mail through webmail - think when the client copies the message to the Sent folder (anyway, the sent messages are in Sent folder after sending, so everything works). Do you have any idea? Thanks, a.

1 0

Hibernation and proxy
by azurit＠pobox.sk 28 Mar '19

28 Mar '19

Hi, does hibernation works well with proxy? Are proxy connections hibernated or not? azur

2 3

Regression ACL & namespace prefix
by Michal Hlavinka 28 Mar '19

28 Mar '19

Hi tl;dr: Seems that for Global ACL directory, namespace prefix is not part of the path, when looking for acl file. Long version: We're planning to update dovecot in next os update to 2.2.36 and while going through regression testing, we found a problem with ACL configuration combined with namespace. Test uses "Global ACL directory" configuration. Relevant configuration part: mail_location = maildir:~/Maildir namespace inbox { hidden = no inbox = yes list = yes location = prefix = separator = / } namespace { hidden = no list = yes location = maildir:/var/mail/pub prefix = pub/ separator = / type = public } mail_plugins = acl protocol imap { mail_plugins = $mail_plugins acl imap_acl } plugin { acl = vfile:/etc/dovecot/global-acls } ACL config file is stored at: /etc/dovecot/global-acls/pub/.DEFAULT when trying to examine "pub", it is denied: fetchmail: IMAP> A0005 EXAMINE "pub" fetchmail: IMAP< A0005 NO Mailbox doesn't exist: pub (0.001 + 0.000 secs). # doveadm acl debug -u d2 pub doveadm(d2): Info: Mailbox '' is in namespace 'pub/' doveadm(d2): Info: Mailbox path: /var/mail/pub doveadm(d2): Info: All message flags are shared across users in mailbox doveadm(d2): Info: User d2 has no rights for mailbox doveadm(d2): Error: User d2 is missing 'lookup' right doveadm(d2): Info: Mailbox pub is NOT visible in LIST because it did not find acl file: imap(d2): Debug: Namespace : type=public, prefix=pub/, sep=/, inbox=no, hidden=no, list=yes, subscriptions=yes location=maildir:/var/mail/pub imap(d2): Debug: maildir++: root=/var/mail/pub, index=, indexpvt=, control=, inbox=, alt= imap(d2): Debug: acl: initializing backend with data: vfile:/etc/dovecot/global-acls imap(d2): Debug: acl: acl username = d2 imap(d2): Debug: acl: owner = 0 imap(d2): Debug: acl vfile: Global ACL legacy directory: /etc/dovecot/global-acls imap(d2): Debug: pub: Mailbox opened because: EXAMINE imap(d2): Debug: acl vfile: file /etc/dovecot/global-acls//.DEFAULT not found imap(d2): Debug: acl vfile: file /var/mail/pub/dovecot-acl not found see it's looking for: /etc/dovecot/global-acls//.DEFAULT instead of /etc/dovecot/global-acls/pub/.DEFAULT Checking with documentation https://wiki.dovecot.org/ACL it seems that prefix should still be part of the path, as it was before: """The filenames must start with namespace prefix (if it has one). For example with namespace prefix=INBOX/ containing mailbox "foo" use /etc/dovecot/acls/INBOX/foo.""" Just for comparison, previous version (2.2.10) would work fine: imap(d2): Debug: Namespace : type=public, prefix=pub/, sep=/, inbox=no, hidden=no, list=yes, subscriptions=yes location=maildir:/var/mail/pub imap(d2): Debug: maildir++: root=/var/mail/pub, index=, indexpvt=, control=, inbox=, alt= imap(d2): Debug: acl: initializing backend with data: vfile:/etc/dovecot/global-acls imap(d2): Debug: acl: acl username = d2 imap(d2): Debug: acl: owner = 0 imap(d2): Debug: acl vfile: Global ACL directory: /etc/dovecot/global-acls imap(d2): Debug: acl vfile: reading file /etc/dovecot/global-acls/pub/.DEFAULT imap(d2): Debug: acl vfile: file /var/mail/pub/dovecot-acl not found I've localized problem to: src/plugins/acl/acl-backend-vfile.c: acl_backend_vfile_object_init(...) and change from: vname = mailbox_list_get_vname(_backend->list, name); to: vname = *name == '\0' ? "" : mailbox_list_get_vname(_backend->list, name); that happened quite time ago during bigger acl changes and I don't know why exactly this line was changed previously. Anyway, reverting this line alone fixes the problem and while testing both per-mailbox ACL vfile and Global ACL file, reverting this did not affect them.

3 7

CVE-2019-7524 backport patch for 2.2.33.2
by Gerald Galster 28 Mar '19

28 Mar '19

Hello Aki, I'm currently stuck with 2.2.33.2 as 2.2.36 still duplicates mails after pop3 deletion on a two node dsync cluster. Therefore I've created a small patch and it seems only these two files are affected: dovecot-2.2.36.3/src/lib-storage/index/index-pop3-uidl.c dovecot-2.2.36.3/src/plugins/fts/fts-api.c Please correct me if I have missed something. Best regards Gerald

2 1

CVE-2019-7524: Buffer overflow when reading extension header from dovecot index files
by Aki Tuomi 28 Mar '19

28 Mar '19

Product: Dovecot Vendor: OX Software GmbH Internal reference: DOV-2964 (Bug ID) Vulnerability type: CWE-120 Vulnerable version: 2.0.14 - 2.3.5 Vulnerable component: fts, pop3-uidl-plugin Report confidence: Confirmed Researcher credits: Found in internal testing Solution status: Fixed by Vendor Fixed version: 2.3.5.1, 2.2.36.3 Vendor notification: 2019-02-05 Solution date: 2019-03-21 Public disclosure: 2019-03-28 CVE reference: CVE-2019-7524 CVSS: 3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C (8.8) Vulnerability Details: When reading FTS or POP3-UIDL header from dovecot index, the input buffer size is not bound, and data is copied to target structure causing stack overflow. Risk: This can be used for local root privilege escalation or executing arbitrary code in dovecot process context. This requires ability to directly modify dovecot indexes. Steps to reproduce: Produce dovecot.index.log entry that creates an FTS header which has more than 12 bytes of data. Trigger dovecot indexer-worker or run doveadm index. Dovecot will crash. Mitigations: Since 2.3.0 dovecot has been compiled with stack smash protection, ASLR, read-only GOT tables and other techniques that make exploiting this bug much harder. Solution: Operators should update to the latest Patch Release. The only workaround is to disable FTS and pop3-uidl plugin. -- Aki Tuomi Open-Xchange Oy

2 4

v2.2.36.3 released
by Aki Tuomi 28 Mar '19

28 Mar '19

https://dovecot.org/releases/2.3/dovecot-2.2.36.3.tar.gz https://dovecot.org/releases/2.3/dovecot-2.2.36.3.tar.gz.sig * CVE-2019-7524: Missing input buffer size validation leads into arbitrary buffer overflow when reading fts or pop3 uidl header from Dovecot index. Exploiting this requires direct write access to the index files. --- Aki Tuomi Open-Xchange oy

1 1

dovecot mailing list stopped delivering mail
by Christian Anthon 28 Mar '19

28 Mar '19

Strangest thing. Since some time Marts 25. I'm no longer receiving mails from the dovecot mailing list server. Mails from other sources are behaving fine. Instead I'm just seing Mar 26 08:27:54 dna01 postfix/smtpd[107746]: Anonymous TLS connection established from talvi.dovecot.org[94.237.25.159]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) Mar 26 08:27:54 dna01 postfix/smtpd[107746]: disconnect from talvi.dovecot.org[94.237.25.159] ehlo=1 starttls=1 quit=1 commands=3 And then no more. I tried turning up the postfix verbosity, but I'm none the wiser. I realize that this is probably not a dovecot issue, but anybody with any ideas? Cheers, Christian (and please send an off-list reply also) Verbose log: Mar 28 10:57:42 dna01 postfix/smtpd[66648]: connection established Mar 28 10:57:42 dna01 postfix/smtpd[66648]: master_notify: status 0 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: name_mask: resource Mar 28 10:57:42 dna01 postfix/smtpd[66648]: name_mask: software Mar 28 10:57:42 dna01 postfix/smtpd[66648]: connect from talvi.dovecot.org[94.237.25.159] Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: smtp_stream_setup: maxtime=300 enable_deadline=0 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 192.168.3.0/24 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 192.168.3.0/24 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 127.0.0.0/8 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 127.0.0.0/8 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr request = connect Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr ident = smtp:94.237.25.159 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: 0 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: count Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: count Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: 1 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: rate Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: rate Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: 1 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: (list terminator) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: report connect to all milters Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "j" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "genome.ku.dk" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{daemon_name}" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "genome.ku.dk" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{daemon_addr}" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "192.168.3.112" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "v" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "Postfix 3.3.3" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: non-protocol events for protocol version 6: Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: transport=inet endpoint=localhost:11332 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: trying... [127.0.0.1] Mar 28 10:57:42 dna01 postfix/smtpd[66648]: vstream_tweak_tcp: TCP_MAXSEG 32741 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: fd=11: stream buffer size old=0 new=65482 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: my_version=0x6 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: my_actions=0x1ff SMFIF_ADDHDRS SMFIF_CHGBODY SMFIF_ADDRCPT SMFIF_DELRCPT SMFIF_CHGHDRS SMFIF_QUARANTINE SMFIF_CHGFROM SMFIF_ADDRCPT_PAR SMFIF_SETSYMLIST Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: my_events=0x1fffff SMFIP_NOCONNECT SMFIP_NOHELO SMFIP_NOMAIL SMFIP_NORCPT SMFIP_NOBODY SMFIP_NOHDRS SMFIP_NOEOH SMFIP_NR_HDR SMFIP_NOUNKNOWN SMFIP_NODATA SMFIP_SKIP SMFIP_RCPT_REJ SMFIP_NR_CONN SMFIP_NR_HELO SMFIP_NR_MAIL SMFIP_NR_RCPT SMFIP_NR_DATA SMFIP_NR_UNKN SMFIP_NR_EOH SMFIP_NR_BODY SMFIP_HDR_LEADSPC Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: milter inet:localhost:11332 version 6 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: events SMFIP_NR_HDR SMFIP_NR_CONN SMFIP_NR_HELO SMFIP_NR_MAIL SMFIP_NR_RCPT SMFIP_NR_DATA SMFIP_NR_UNKN SMFIP_NR_EOH SMFIP_NR_BODY Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_connect: requests SMFIF_ADDHDRS SMFIF_CHGBODY SMFIF_ADDRCPT SMFIF_DELRCPT SMFIF_CHGHDRS SMFIF_QUARANTINE SMFIF_CHGFROM SMFIF_ADDRCPT_PAR SMFIF_SETSYMLIST Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_conn_event: milter inet:localhost:11332: connect talvi.dovecot.org/94.237.25.159 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: event: SMFIC_CONNECT; macros: j=genome.ku.dk {daemon_name}=genome.ku.dk {daemon_addr}=192.168.3.112 v=Postfix 3.3.3 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: skipping reply for event SMFIC_CONNECT from milter inet:localhost:11332 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 220 genome.ku.dk ESMTP Postfix Mar 28 10:57:42 dna01 postfix/smtpd[66648]: < talvi.dovecot.org[94.237.25.159]: EHLO talvi.dovecot.org Mar 28 10:57:42 dna01 postfix/smtpd[66648]: report helo to all milters Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{tls_version}" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cipher}" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cipher_bits}" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cert_subject}" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cert_issuer}" Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_helo_event: milter inet:localhost:11332: helo talvi.dovecot.org Mar 28 10:57:42 dna01 postfix/smtpd[66648]: event: SMFIC_HELO; macros: (none) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: skipping reply for event SMFIC_HELO from milter inet:localhost:11332 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-genome.ku.dk Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-PIPELINING Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-SIZE 150000000 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-VRFY Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-ETRN Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-STARTTLS Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-ENHANCEDSTATUSCODES Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-8BITMIME Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250 DSN Mar 28 10:57:42 dna01 postfix/smtpd[66648]: < talvi.dovecot.org[94.237.25.159]: STARTTLS Mar 28 10:57:42 dna01 postfix/smtpd[66648]: query milter states for other event Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_other_event: milter inet:localhost:11332 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 220 2.0.0 Ready to start TLS Mar 28 10:57:42 dna01 postfix/smtpd[66648]: abort all milters Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_abort: abort milter inet:localhost:11332 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: auto_clnt_open: connected to private/tlsmgr Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr request = seed Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr size = 32 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: 0 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: seed Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: seed Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: HIDDEN_BEFORE_POST Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: (list terminator) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr request = tktkey Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr keyname = [data 16 bytes] Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: 4294967295 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: keybuf Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: keybuf Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: HIDDEN_BEFORE_POST Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: (list terminator) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr request = tktkey Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr keyname = [data 0 bytes] Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: 0 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: keybuf Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: keybuf Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: HIDDEN_BEFORE_POST Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: (list terminator) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: Anonymous TLS connection established from talvi.dovecot.org[94.237.25.159]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_create: SASL service=smtp, realm=(null) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: name_mask: noanonymous Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: Connecting Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: auth reply: VERSION?1?1 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: auth reply: MECH?PLAIN?plaintext Mar 28 10:57:42 dna01 postfix/smtpd[66648]: name_mask: plaintext Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: auth reply: MECH?LOGIN?plaintext Mar 28 10:57:42 dna01 postfix/smtpd[66648]: name_mask: plaintext Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: auth reply: SPID?62898 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: auth reply: CUID?107 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: auth reply: COOKIE?HIDDEN_BEFORE_POST Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_connect: auth reply: DONE Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_mech_filter: keep mechanism: PLAIN Mar 28 10:57:42 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_mech_filter: keep mechanism: LOGIN Mar 28 10:57:42 dna01 postfix/smtpd[66648]: < talvi.dovecot.org[94.237.25.159]: QUIT Mar 28 10:57:42 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 221 2.0.0 Bye Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 192.168.3.0/24 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 192.168.3.0/24 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 127.0.0.0/8 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 127.0.0.0/8 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr request = disconnect Mar 28 10:57:42 dna01 postfix/smtpd[66648]: send attr ident = smtp:94.237.25.159 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute value: 0 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: (list terminator) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:42 dna01 postfix/smtpd[66648]: disconnect event to all milters Mar 28 10:57:42 dna01 postfix/smtpd[66648]: milter8_disc_event: quit milter inet:localhost:11332 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: disconnect from talvi.dovecot.org[94.237.25.159] ehlo=1 starttls=1 quit=1 commands=3 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: free all milters Mar 28 10:57:42 dna01 postfix/smtpd[66648]: free milter inet:localhost:11332 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: master_notify: status 1 Mar 28 10:57:42 dna01 postfix/smtpd[66648]: connection closed Mar 28 10:57:47 dna01 postfix/smtpd[66648]: auto_clnt_close: disconnect private/tlsmgr stream Mar 28 10:57:55 dna01 postfix/smtpd[66648]: connection established Mar 28 10:57:55 dna01 postfix/smtpd[66648]: master_notify: status 0 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: name_mask: resource Mar 28 10:57:55 dna01 postfix/smtpd[66648]: name_mask: software Mar 28 10:57:55 dna01 postfix/smtpd[66648]: connect from talvi.dovecot.org[94.237.25.159] Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: smtp_stream_setup: maxtime=300 enable_deadline=0 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 192.168.3.0/24 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 192.168.3.0/24 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 127.0.0.0/8 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 127.0.0.0/8 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: send attr request = connect Mar 28 10:57:55 dna01 postfix/smtpd[66648]: send attr ident = smtp:94.237.25.159 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: status Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute value: 0 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: count Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: count Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute value: 1 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: rate Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: rate Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute value: 2 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: (list terminator) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: report connect to all milters Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "j" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "genome.ku.dk" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{daemon_name}" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "genome.ku.dk" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{daemon_addr}" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "192.168.3.112" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "v" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: result "Postfix 3.3.3" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: non-protocol events for protocol version 6: Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: transport=inet endpoint=localhost:11332 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: trying... [127.0.0.1] Mar 28 10:57:55 dna01 postfix/smtpd[66648]: vstream_tweak_tcp: TCP_MAXSEG 32741 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: fd=11: stream buffer size old=0 new=65482 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: my_version=0x6 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: my_actions=0x1ff SMFIF_ADDHDRS SMFIF_CHGBODY SMFIF_ADDRCPT SMFIF_DELRCPT SMFIF_CHGHDRS SMFIF_QUARANTINE SMFIF_CHGFROM SMFIF_ADDRCPT_PAR SMFIF_SETSYMLIST Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: my_events=0x1fffff SMFIP_NOCONNECT SMFIP_NOHELO SMFIP_NOMAIL SMFIP_NORCPT SMFIP_NOBODY SMFIP_NOHDRS SMFIP_NOEOH SMFIP_NR_HDR SMFIP_NOUNKNOWN SMFIP_NODATA SMFIP_SKIP SMFIP_RCPT_REJ SMFIP_NR_CONN SMFIP_NR_HELO SMFIP_NR_MAIL SMFIP_NR_RCPT SMFIP_NR_DATA SMFIP_NR_UNKN SMFIP_NR_EOH SMFIP_NR_BODY SMFIP_HDR_LEADSPC Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: milter inet:localhost:11332 version 6 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: events SMFIP_NR_HDR SMFIP_NR_CONN SMFIP_NR_HELO SMFIP_NR_MAIL SMFIP_NR_RCPT SMFIP_NR_DATA SMFIP_NR_UNKN SMFIP_NR_EOH SMFIP_NR_BODY Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_connect: requests SMFIF_ADDHDRS SMFIF_CHGBODY SMFIF_ADDRCPT SMFIF_DELRCPT SMFIF_CHGHDRS SMFIF_QUARANTINE SMFIF_CHGFROM SMFIF_ADDRCPT_PAR SMFIF_SETSYMLIST Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_conn_event: milter inet:localhost:11332: connect talvi.dovecot.org/94.237.25.159 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: event: SMFIC_CONNECT; macros: j=genome.ku.dk {daemon_name}=genome.ku.dk {daemon_addr}=192.168.3.112 v=Postfix 3.3.3 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: skipping reply for event SMFIC_CONNECT from milter inet:localhost:11332 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 220 genome.ku.dk ESMTP Postfix Mar 28 10:57:55 dna01 postfix/smtpd[66648]: < talvi.dovecot.org[94.237.25.159]: EHLO talvi.dovecot.org Mar 28 10:57:55 dna01 postfix/smtpd[66648]: report helo to all milters Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{tls_version}" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cipher}" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cipher_bits}" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cert_subject}" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter_macro_lookup: "{cert_issuer}" Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_helo_event: milter inet:localhost:11332: helo talvi.dovecot.org Mar 28 10:57:55 dna01 postfix/smtpd[66648]: event: SMFIC_HELO; macros: (none) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: skipping reply for event SMFIC_HELO from milter inet:localhost:11332 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-genome.ku.dk Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-PIPELINING Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-SIZE 150000000 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-VRFY Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-ETRN Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-STARTTLS Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-ENHANCEDSTATUSCODES Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250-8BITMIME Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 250 DSN Mar 28 10:57:55 dna01 postfix/smtpd[66648]: < talvi.dovecot.org[94.237.25.159]: STARTTLS Mar 28 10:57:55 dna01 postfix/smtpd[66648]: query milter states for other event Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_other_event: milter inet:localhost:11332 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 220 2.0.0 Ready to start TLS Mar 28 10:57:55 dna01 postfix/smtpd[66648]: abort all milters Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_abort: abort milter inet:localhost:11332 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: auto_clnt_open: connected to private/tlsmgr Mar 28 10:57:55 dna01 postfix/smtpd[66648]: send attr request = seed Mar 28 10:57:55 dna01 postfix/smtpd[66648]: send attr size = 32 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: status Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute value: 0 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: seed Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: seed Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute value: HIDDEN_BEFORE_POST Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/tlsmgr: wanted attribute: (list terminator) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: Anonymous TLS connection established from talvi.dovecot.org[94.237.25.159]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_create: SASL service=smtp, realm=(null) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: name_mask: noanonymous Mar 28 10:57:55 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_mech_filter: keep mechanism: PLAIN Mar 28 10:57:55 dna01 postfix/smtpd[66648]: xsasl_dovecot_server_mech_filter: keep mechanism: LOGIN Mar 28 10:57:55 dna01 postfix/smtpd[66648]: < talvi.dovecot.org[94.237.25.159]: QUIT Mar 28 10:57:55 dna01 postfix/smtpd[66648]: > talvi.dovecot.org[94.237.25.159]: 221 2.0.0 Bye Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 192.168.3.0/24 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 192.168.3.0/24 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostname: smtpd_client_event_limit_exceptions: talvi.dovecot.org ~? 127.0.0.0/8 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_hostaddr: smtpd_client_event_limit_exceptions: 94.237.25.159 ~? 127.0.0.0/8 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: talvi.dovecot.org: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: match_list_match: 94.237.25.159: no match Mar 28 10:57:55 dna01 postfix/smtpd[66648]: send attr request = disconnect Mar 28 10:57:55 dna01 postfix/smtpd[66648]: send attr ident = smtp:94.237.25.159 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: status Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: status Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute value: 0 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: private/anvil: wanted attribute: (list terminator) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: input attribute name: (end) Mar 28 10:57:55 dna01 postfix/smtpd[66648]: disconnect event to all milters Mar 28 10:57:55 dna01 postfix/smtpd[66648]: milter8_disc_event: quit milter inet:localhost:11332 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: disconnect from talvi.dovecot.org[94.237.25.159] ehlo=1 starttls=1 quit=1 commands=3 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: free all milters Mar 28 10:57:55 dna01 postfix/smtpd[66648]: free milter inet:localhost:11332 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: master_notify: status 1 Mar 28 10:57:55 dna01 postfix/smtpd[66648]: connection closed Mar 28 10:58:00 dna01 postfix/smtpd[66648]: auto_clnt_close: disconnect private/tlsmgr stream -- Christian Anthon

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v2.3.5.1 released
by Aki Tuomi 28 Mar '19

28 Mar '19

https://dovecot.org/releases/2.3/dovecot-2.3.5.1.tar.gz https://dovecot.org/releases/2.3/dovecot-2.3.5.1.tar.gz.sig Binary packages in https://repo.dovecot.org/ * CVE-2019-7524: Missing input buffer size validation leads into arbitrary buffer overflow when reading fts or pop3 uidl header from Dovecot index. Exploiting this requires direct write access to the index files. --- Aki Tuomi Open-Xchange oy

2 2

Panic: file mail-transaction-log-file.c: line 105 (mail_transaction_log_file_free): assertion failed: (!file->locked)
by Arkadiusz Miśkiewicz 28 Mar '19

28 Mar '19

Hello. I have one account with heavy traffic (big mails) and quite often indexes get corrupted. This is dovecot 2.3.5 on local fs (xfs), Linux kernel 4.19.20, glibc 2.28. When corruption happens lmtp and pop3 segfault on accessing it like: > Mar 27 11:13:50 mbox dovecot[22370]: lmtp(24428): Connect from local [0/0] > Mar 27 11:13:50 mbox dovecot[22370]: lmtp(piast_efaktury): pid=<24428> session=<QLacCN5Mm1xsXwAA9fPEKQ>, Error: Index /var/mail/piast_efaktury/dovecot.index: Lost log for seq=13 offset=25648: Missing middle file seq=13 (between 13..4294967295, we have seqs 14,15): .log.2 contains file_seq=14 (initial_mapped=0, reason=Index mapped) > Mar 27 11:13:50 mbox dovecot[22370]: lmtp(piast_efaktury): pid=<24428> session=<QLacCN5Mm1xsXwAA9fPEKQ>, Warning: fscking index file /var/mail/piast_efaktury/dovecot.index > Mar 27 11:13:50 mbox dovecot[22370]: lmtp(piast_efaktury): pid=<24428> session=<QLacCN5Mm1xsXwAA9fPEKQ>, Error: Fixed index file /var/mail/piast_efaktury/dovecot.index: log_file_seq 13 -> 15 > Mar 27 11:13:50 mbox dovecot[22370]: lmtp(piast_efaktury): pid=<24428> session=<QLacCN5Mm1xsXwAA9fPEKQ>, Panic: file mail-transaction-log-file.c: line 105 (mail_transaction_log_file_free): assertion failed: (!file->locked) > Mar 27 11:13:50 mbox dovecot[22370]: lmtp(piast_efaktury): pid=<24428> session=<QLacCN5Mm1xsXwAA9fPEKQ>, Error: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xe011b) [0x7f25fc82b11b] -> /usr/lib64/dovecot/libdovecot.so.0(+0xe01b1) [0x7f25fc82b1b1] -> /usr/lib64/dovecot/libdovecot.so.0(+0x4bf56) [0x7f25fc796f56] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x4b17e) [0x7f25fc92f17e] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_transaction_logs_clean+0x5c) [0x7f25fc9e6e3c] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_transaction_log_close+0x34) [0x7f25fc9e6f04] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_transaction_log_move_to_memory+0xed) [0x7f25fc9e709d] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_move_to_memory+0x60) [0x7f25fc9e10b0] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_write+0x1e1) [0x7f25fc9df3a1] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_fsck+0x68a) [0x7f25fc9ca13a] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_sync_map+0x5b0) [0x7f25fc9d4090] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_map+0x13b) [0x7f25fc9cc1eb] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0xfcc96) [0x7f25fc9e0c96] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0xfd2a7) [0x7f25fc9e12a7] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_open+0x7a) [0x7f25fc9e13aa] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_storage_mailbox_open+0xac) [0x7f25fc9bac1c] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x84df9) [0x7f25fc968df9] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x84ecf) [0x7f25fc968ecf] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0xbe11c) [0x7f25fc9a211c] -> /usr/lib64/dovecot/plugins/lib20_zlib_plugin.so(+0x46ee) [0x7f25f8ff86ee] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x5bd56) [0x7f25fc93fd56] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mailbox_open+0x4a) [0x7f25fc93ff3a] -> /usr/lib64/dovecot/libdovecot-lda.so.0(mail_deliver_save_open+0x63) [0x7f25fca49cc3] -> /usr/lib64/dovecot/libdovecot-lda.so.0(mail_deliver_save+0xc9) [0x7f25fca49f29] -> /usr/lib64/dovecot/libdovecot-lda.so.0(mail_deliver+0x1c6) [0x7f25fca4a586] -> dovecot/lmtp [local DATA](lmtp_local_data+0x6a1) [0x55e3e295a551] -> dovecot/lmtp [local DATA](cmd_data_continue+0x25d) [0x55e3e295920d] -> /usr/lib64/dovecot/libdovecot.so.0(+0x65737) [0x7f25fc7b0737] > Mar 27 11:13:50 mbox dovecot[22370]: lmtp(piast_efaktury): pid=<24428> session=<QLacCN5Mm1xsXwAA9fPEKQ>, Fatal: master: service(lmtp): child 24428 killed with signal 6 (core dumped) > ~ lmtp backtrace: http://ixion.pld-linux.org/~arekm/dovecot/lmtp-gdb.txt log: http://ixion.pld-linux.org/~arekm/dovecot/lmtp.txt pop3 backtrace: http://ixion.pld-linux.org/~arekm/dovecot/pop3-gdb.txt log: http://ixion.pld-linux.org/~arekm/dovecot/pop3.txt deleting dovecot.index* helps until problem starts again like - first entry with problem after deleting indexes: > Mar 26 14:18:12 mbox dovecot[10001]: pop3-login: Login: user=<piast_efaktury>, method=PLAIN, rip=1.1.1.1, lip=2.2.2.2, mpid=5694, session=</YwtJ/+EZPG5sziF> > Mar 26 14:18:12 mbox dovecot[10001]: pop3(piast_efaktury): pid=<5694> session=</YwtJ/+EZPG5sziF>, Error: Index /var/mail/piast_efaktury/dovecot.index: Lost log for seq=13 offset=25648: Missing middle file seq=13 (between 13..4294967295, we have seqs 14,15): .log.2 contains file_seq=14 (initial_mapped=0, reason=Index mapped) > Mar 26 14:18:12 mbox dovecot[10001]: pop3(piast_efaktury): pid=<5694> session=</YwtJ/+EZPG5sziF>, Warning: fscking index file /var/mail/piast_efaktury/dovecot.index > Mar 26 14:18:12 mbox dovecot[10001]: pop3(piast_efaktury): pid=<5694> session=</YwtJ/+EZPG5sziF>, Error: Fixed index file /var/mail/piast_efaktury/dovecot.index: log_file_seq 13 -> 15 > Mar 26 14:18:12 mbox dovecot[10001]: pop3(piast_efaktury): pid=<5694> session=</YwtJ/+EZPG5sziF>, Panic: file mail-transaction-log-file.c: line 105 (mail_transaction_log_file_free): assertion failed: (!file->locked) > Mar 26 14:18:12 mbox dovecot[10001]: pop3(piast_efaktury): pid=<5694> session=</YwtJ/+EZPG5sziF>, Error: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xe011b) [0x7f20b6e2911b] -> /usr/lib64/dovecot/libdovecot.so.0(+0xe01b1) [0x7f20b6e291b1] -> /usr/lib64/dovecot/libdovecot.so.0(+0x4bf56) [0x7f20b6d94f56] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x4b17e) [0x7f20b6f2d17e] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_transaction_logs_clean+0x5c) [0x7f20b6fe4e3c] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_transaction_log_close+0x34) [0x7f20b6fe4f04] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_transaction_log_move_to_memory+0xed) [0x7f20b6fe509d] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_move_to_memory+0x60) [0x7f20b6fdf0b0] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_write+0x1e1) [0x7f20b6fdd3a1] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_fsck+0x68a) [0x7f20b6fc813a] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_sync_map+0x5b0) [0x7f20b6fd2090] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_map+0x13b) [0x7f20b6fca1eb] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0xfcc96) [0x7f20b6fdec96] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0xfd2a7) [0x7f20b6fdf2a7] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_index_open+0x7a) [0x7f20b6fdf3aa] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_storage_mailbox_open+0xac) [0x7f20b6fb8c1c] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x84df9) [0x7f20b6f66df9] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x84ecf) [0x7f20b6f66ecf] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0xbe11c) [0x7f20b6fa011c] -> /usr/lib64/dovecot/plugins/lib20_zlib_plugin.so(+0x46ee) [0x7f20b36896ee] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x5bd56) [0x7f20b6f3dd56] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mailbox_open+0x4a) [0x7f20b6f3df3a] -> dovecot/pop3 [piast_efaktury 1.1.1.1](client_init_mailbox+0x7a) [0x5638a04d1bda] -> dovecot/pop3 [piast_efaktury 1.1.1.1](+0x5645) [0x5638a04d0645] -> dovecot/pop3 [piast_efaktury 1.1.1.1](+0x5882) [0x5638a04d0882] -> /usr/lib64/dovecot/libdovecot.so.0(+0x74021) [0x7f20b6dbd021] -> /usr/lib64/dovecot/libdovecot.so.0(+0x7439b) [0x7f20b6dbd39b] -> /usr/lib64/dovecot/libdovecot.so.0(+0x74d1d) [0x7f20b6dbdd1d] > Mar 26 14:18:12 mbox dovecot[10001]: pop3(piast_efaktury): pid=<5694> session=</YwtJ/+EZPG5sziF>, Fatal: master: service(pop3): child 5694 killed with signal 6 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) dovecot isn't able to auto fix the indexes and manual deletion is required in all such cases -- Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )

2 5

MailCrypt: Encrypted user keys configuration with LDAP & cryptokey generate
by FELINN 28 Mar '19

28 Mar '19

Hi, I try to use the MailCrypt plugin with Floder encryption and encrypted user keys, using LDAP. I use Dovecot 2.2.27 (c0f36b0) I follow the wiki: https://wiki2.dovecot.org/Plugins/MailCrypt doveconf -n and dovecot-ldap.conf.ext attached to this message. I well configured slapd to let dovecot's dn query the userPassword (hashed password SSHA). I use fusiondirectory-mail plugin: ------------------------------------------------------------------------ $ ldapsearch -D 'cn=dovecot,ou=dsa,dc=foo,dc=bar' -W -LLL '(&(objectClass=gosaMailAccount)(objectClass=posixAccount)(uid=<user>))' 'userPassword' dn: cn=<user>,ou=people,dc=foo,dc=bar userPassword:: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ------------------------------------------------------------------------ The problem is that mails still readable and no keys are generated, even if a send a mail to this address, or login through webmail. I wait more than 1h until something happens, Cf: https://dovecot.org/list/dovecot/2018-September/112763.html If I try to generate keys manually I get this error: ------------------------------------------------------------------------ $ doeveadm mailbox cryptokey generate -u <user> doveadm(<user>): Error: mail_crypt_user_generate_keypair(<user>) failed: mail_crypt_require_encrypted_user_key set, cannot generate user keypair without password or key Folder Public ID x ERROR: mail_crypt_require_encrypted_user_key set, cannot generate user keypair without password or key doveadm(<user>): Warning: Timeout leak: 0x7f0c439c0180 (mail-index-alloc-cache.c:240) ------------------------------------------------------------------------ It works with -o plugin/mail_crypt_private_password=<password> of course, but by hand it's not the goal >< I probably miss something, I guess that the part of the wiki about sql and password_query is only for configuration that use SQL for dbuser. Is there similar things to do with LDAP? Thank you very much for your time. -- f00wl FELINN https://felinn.org

1 1

Weird things in the mail queue
by Lionel Elie Mamane 27 Mar '19

27 Mar '19

I noticed a mail stuck in my mail queue. dovecot-lda was returning error 64 Invalid parameter given. (EX_USAGE). Weird, weird, weird. After some sleuthing, I found the sender address was FirstLast(a)domain.tld, with a UTF8-encoded Unicode U+FEFF ZERO WIDTH NO-BREAK SPACE character (AKA byte order mark) between "First" and "Last" :) Since that is passed as the -f parameter to dovecot-lda, it was giving the 64 error.

3 3

Maildir permissions issue with Postfix
by Randall R. Sargent 27 Mar '19

27 Mar '19

Hi all, We have a Postfix server that serves as an alias MTA to route to other mail systems. I've recently installed Dovecot on it because we have three service accounts that need simple POP3 mailboxes. I have the accounts set up on the system and mail does get delivered to their ~/Maildir/ locations by Postfix, however, every time a message is dropped in the Maildir for the user, the permissions for the message are set to the user's uid:gid and Dovecot can't access the mail message. Doing a chmod fixes it temporarily until the next message drops. The vmail group has access to the user's home folder structure. Any help is appreciated!! Dovecot: 2.2.36 /etc/dovecot/dovecot.conf: auth_debug = yes disable_plaintext_auth = no first_valid_uid = 1002 log_path = /var/log/dovecot.log mail_debug = yes mail_home = /srv/mail/%Lu mail_location = maildir:~/Maildir mbox_very_dirty_syncs = yes namespace { inbox = yes location = prefix = separator = / } passdb { driver = pam } service auth-worker { user = root } userdb { args = blocking=no driver = passwd override_fields = uid=vmail gid=vmail } Thanks, Randy

2 1

doveadm backup doesn't transfer mail from root INBOX
by Francis 27 Mar '19

27 Mar '19

Hi, I'm trying to migrate IMAP mails from dovecot 1.1.20apple0.5 (osx) to dovecot 2.2.33.2 (ubuntu). I'm using "doveadm backup" to migrate my data. It works fine for all subfolders, but the root INBOX stay empty on the new server. I suspect a problem related with hierarchy separator ("." on previous server, "/" on new) or with the namespace prefix (set to "INBOX/" on new server). Any hint? Thanks. show there is no messages in INBOX # doveadm mailbox status -u (myuser) all INBOX INBOX messages=0 recent=0 uidnext=1 uidvalidity=1553630060 unseen=0 highestmodseq=1 vsize=0 guid=d54cd42849739b5cb5790000ed87e144 firstsaved=18446744073709551615 show there is messages in subdirectory # doveadm mailbox status -u (myuser) all INBOX/Sent INBOX/Sent messages=253 recent=0 uidnext=8721 uidvalidity=1263328366 unseen=0 highestmodseq=256 vsize=16335358 guid=bfb2e03fdce327671e82bf173b1ccb8b firstsaved=1553634631 The command I'm runnning on the new server to migrate data: # doveadm -o mail_fsync=never backup -R -u (myuser) imapc: # My config on the new server: # doveadm -n # 2.2.33.2 (d6601f4ec): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.21 (92477967) # OS: Linux 4.15.0-46-generic x86_64 Ubuntu 18.04.2 LTS auth_default_realm = example.com doveadm_password = # hidden, use -P to show it doveadm_port = 53683 first_valid_uid = 200 imapc_features = rfc822.size fetch-headers imapc_host = oldmail.example.com imapc_master_user = (removed) imapc_password = # hidden, use -P to show it imapc_user = %n last_valid_uid = 200 mail_location = mbox:~/mail:INBOX=/var/mail/%u mail_plugins = " notify replication zlib quota" mail_prefetch_count = 20 mail_privileged_group = mail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext mdbox_rotate_size = 10 M namespace inbox { inbox = yes location = mailbox "Éléments envoyés" { special_use = \Sent } mailbox "Éléments supprimés" { special_use = \Trash } mailbox Brouillon { special_use = \Drafts } mailbox "Courrier indésirable" { special_use = \Junk } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = INBOX/ separator = / } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { mail_replica = tcps:mail2.example.com:53683 quota = count:User quota quota_grace = 10%% quota_rule = *:storage=10G quota_rule2 = INBOX/Trash:storage=+100M quota_vsizes = yes quota_warning = storage=100%% quota-warning 100 %u quota_warning2 = storage=95%% quota-warning 95 %u quota_warning3 = storage=90%% quota-warning 90 %u quota_warning4 = storage=85%% quota-warning 85 %u quota_warning5 = storage=75%% quota-warning 75 %u quota_warning6 = -storage=80%% quota-warning '-80' %u quota_warning7 = -storage=100%% quota-warning '-100' %u sieve = /var/vmail/domains/%Ld/%Ln/.dovecot.sieve sieve_before = /var/vmail/sieve/before.sieve sieve_default = /var/vmail/sieve/default.sieve sieve_global = /var/vmail/sieve/global zlib_save = lz4 } protocols = " imap lmtp sieve" service aggregator { fifo_listener replication-notify-fifo { user = vmail } unix_listener replication-notify { user = vmail } } service auth { inet_listener { address = (removed) port = 55123 } unix_listener /var/spool/postfix/private/auth { mode = 0666 } } service doveadm { inet_listener { port = 53683 ssl = yes } } service imap-login { inet_listener imap { port = 0 } process_min_avail = 10 } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0660 user = postfix } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { user = vmail } } service replicator { process_min_avail = 1 unix_listener replicator-doveadm { mode = 0600 user = vmail } } ssl = required ssl_cert = </etc/ssl/example/example.com.crtbundle ssl_client_ca_dir = /etc/ssl/certs ssl_key = # hidden, use -P to show it userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } verbose_proctitle = yes protocol lmtp { mail_plugins = " notify replication zlib quota sieve" postmaster_address = postmaster(a)example.com } protocol imap { mail_plugins = " notify replication zlib quota imap_zlib imap_quota" } # cat /etc/dovecot/dovecot-ldap.conf.ext | grep -v "^#" | grep -v "^$" uris = ldaps://dc1.ad.example.com ldaps://dc2.ad.example.com dn = (removed) dnpass = (removed) auth_bind = yes base = (removed) scope = subtree deref = never user_filter = (&(mail=%u)(memberOf:1.2.840.113556.1.4.1941:=CN=acces_courriels,(removed))(&(|(objectclass=person))(!(UserAccountControl:1.2.840.113556.1.4.803:=2)))) pass_filter = (&(mail=%u)(memberOf:1.2.840.113556.1.4.1941:=CN=acces_courriels,(removed))(&(|(objectclass=person))(!(UserAccountControl:1.2.840.113556.1.4.803:=2)))) iterate_filter = (&(mail=*)(memberOf:1.2.840.113556.1.4.1941:=CN=acces_courriels,(removed))(&(|(objectclass=person))(!(UserAccountControl:1.2.840.113556.1.4.803:=2)))) iterate_attrs = mail=user user_attrs = \ =quota_rule=*:storage=%{ldap:division:10G}, \ =home=/var/vmail/domains/%Ld/%Ln, \ =mail=mdbox:/var/vmail/domains/%Ld/%Ln/mdbox, \ =uid=200, \ =gid=200

1 0

index problems after update
by Hajo Locke 27 Mar '19

27 Mar '19

Hello List, i have a problem with index-files which is separated in 2 subproblems. May be these problems are connected. Currently we use Ubuntu 18.04 LTS which is bundled with dovecot 2.2.33.2 These servers are fresh installed machines and users are added to the system after, there was no upgrade. Sometimes it happens, that dovecot stops showing new mail. There is no error in log, dovecot just seems to do his normal operations but is not delivering new emails from /var/mail/myuser emails are delivered again if i delete index-files from .imap folder. So index is recreated and everything works again. I cant reproduce this problem, but every 2 days i have one user who is reporting this problem. Second problem is similiar. I Upgraded a server from Ubuntu 16.04 to Ubuntu 18.04. This includes an upgrade from dovecot 2.2.22 to 2.2.33.2. After that i installed an self packaged dovecot 2.2.36.1 Now here is same problem, dovecot is not showing new mails, but the difference is we have a Raw backtrace in Log just as expected: Feb 8 08:45:37 hostname dovecot[14882]: imap(myuser): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xa1ee2) [0x7f78b3b2cee2] -> /usr/lib/dovecot/libdovecot.so.0(+0xa1fda) [0x7f78b3b2cfda] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f78b3abb8a8] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_parse_header+0x78a) [0x7f78b3e7940a] -> /usr/lib/dovecot/libdovecot.so.0(+0x83592) [0x7f78b3b0e592] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x74) [0x7f78b3b38814] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) [0x7f78b3b392fd] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_get_header_stream+0x4a) [0x7f78b3e7a2ea] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_get_header_stream+0x4a) [0x7f78b3dfd8da] -> /usr/lib/dovecot/libdovecot-storage.so.0(imap_msgpart_open+0x24a) [0x7f78b3ebb57a] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](+0x2081c) [0x5581ac76d81c] -> dovecot/imap [m038422 ip.ip.ip.ip FETCH](+0x1ea54) [0x5581ac76ba54] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](imap_fetch_more+0x39) [0x5581ac76cd69] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](cmd_fetch+0x31b) [0x5581ac75e1bb] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](command_exec+0x5c) [0x5581ac76a09c] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](+0x1b612) [0x5581ac768612] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](+0x1b6ac) [0x5581ac7686ac] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](client_handle_input+0x18d) [0x5581ac768a6d] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](client_input+0xac) [0x5581ac768fbc] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x52) [0x7f78b3b43482] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x12e) [0x7f78b3b44b9e] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x36) [0x7f78b3b43516] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f78b3b436c8] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f78b3ac6aa3] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](main+0x329) [0x5581ac75b159] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7f78b36bbb97] -> dovecot/imap [myuser ip.ip.ip.ip FETCH](_start+0x2a) [0x5581ac75b2fa] Feb 8 08:45:37 hostname dovecot[14882]: imap(myuser): Fatal: master: service(imap): child 14135 killed with signal 6 (core dumped) Over all dovecot and OS versions we use same old-fashioned setup. Mails are delivered by procmail to classic mbox file. This is output of doveconf -n # 2.2.36.1 (5d621cf65): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.21 (92477967) # OS: Linux 4.18.0-14-generic x86_64 Ubuntu 18.04.1 LTS # Hostname: myhostname auth_mechanisms = plain login auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@üÜöÖäÄ auth_worker_max_count = 60 disable_plaintext_auth = no imap_capability = +XLIST lock_method = flock login_greeting = mailserver ready. login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c mail_cache_min_mail_count = 30 mail_location = mbox:~/mail:INBOX=/var/mail/%u mail_max_userip_connections = 30 mbox_read_locks = dotlock mbox_very_dirty_syncs = yes namespace inbox { inbox = yes location = mailbox Archiv { auto = no special_use = } mailbox Drafts { auto = no special_use = } mailbox Junk { auto = no special_use = } mailbox Sent { auto = no special_use = } mailbox Trash { auto = no special_use = } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } protocols = imap pop3 service auth-worker { idle_kill = 1 mins } service auth { idle_kill = 1 mins unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } user = root } service imap-login { executable = /usr/lib/dovecot/imap-login process_min_avail = 4 service_count = 0 user = dovecot } service imap { process_limit = 1024 } service pop3-login { executable = /usr/lib/dovecot/pop3-login process_min_avail = 4 service_count = 0 user = dovecot } service pop3 { executable = /usr/lib/dovecot/pop3 process_limit = 1024 } shutdown_clients = no ssl_ca = </path/cert.pem ssl_cert = </path/cert.pem ssl_cipher_list = ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:!DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA ssl_dh_parameters_length = 2048 ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes userdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } verbose_proctitle = yes protocol imap { imap_client_workarounds = delay-newmail mail_plugins = mail_log notify ssl = yes } protocol pop3 { pop3_client_workarounds = oe-ns-eoh outlook-no-nuls pop3_no_flag_updates = no pop3_uidl_format = %08Xu%08Xv ssl = yes } Whats going wrong here? Main problem is first one. dovecot stops showing new mail during service without telling a reason. reason looks like a broken index file. What to do here? Please tell me your opinion. Thanks, Hajo

7 17

Test SASL authentication via telnet (or similar)
by Alessio Cecchi 26 Mar '19

26 Mar '19

Hi, I'm looking for a way to autenticate my email users via Dovecot SASL TCP connections from an external nodejs or python script. Dovecot configuration is fine, if I set in postfix smtpd_sasl_path = inet:127.0.0.1:12345 works fine. But if a try via "telnet 127.0.0.1 12345" to chat with SASL in dovecot log found: dovecot: auth: Error: Authentication client not compatible with this server (mixed old and new binaries?) What is the right way to chat with SASL via TCP port? Thanks -- Alessio Cecchi Postmaster @ http://www.qboxmail.it https://www.linkedin.com/in/alessice

1 0

IMAP coredumps for one user
by Odhiambo Washington 26 Mar '19

26 Mar '19

FreeBSD-12 Dovecot-2.3.5 I am having problems with one use Mar 25 21:30:12 imap(gau.mon(a)crownkenya.com)<91364><U7qCZO+ECfCaRh6E>: Fatal: master: service(imap): child 91364 killed with signal 6 (core dumped) Mar 25 21:30:14 imap(gau.mon(a)crownkenya.com)<2381><moHYZO+EDvCaRh6E>: Fatal: master: service(imap): child 2381 killed with signal 6 (core dumped) Mar 26 06:29:26 imap(gau.mon(a)crownkenya.com)<7644><0aVP7faEI/GaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:26 imap(gau.mon(a)crownkenya.com)<8806><valP7faEJPGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:26 imap(gau.mon(a)crownkenya.com)<8493><zKhP7faEIvGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:26 imap(gau.mon(a)crownkenya.com)<9412><2qtP7faEIfGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:28 imap(gau.mon(a)crownkenya.com)<7644><0aVP7faEI/GaTGQE>: Fatal: master: service(imap): child 7644 killed with signal 6 (core dumped) Mar 26 06:29:29 imap(gau.mon(a)crownkenya.com)<10764><7sW+7faEJvGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:31 imap(gau.mon(a)crownkenya.com)<8806><valP7faEJPGaTGQE>: Fatal: master: service(imap): child 8806 killed with signal 6 (core dumped) Mar 26 06:29:33 imap(gau.mon(a)crownkenya.com)<8493><zKhP7faEIvGaTGQE>: Fatal: master: service(imap): child 8493 killed with signal 6 (core dumped) Mar 26 06:29:36 imap(gau.mon(a)crownkenya.com)<9412><2qtP7faEIfGaTGQE>: Fatal: master: service(imap): child 9412 killed with signal 6 (core dumped) Mar 26 06:29:38 imap(gau.mon(a)crownkenya.com)<10764><7sW+7faEJvGaTGQE>: Fatal: master: service(imap): child 10764 killed with signal 6 (core dumped) Mar 26 06:29:57 imap(gau.mon(a)crownkenya.com)<13285><JhMO7vaEKfGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:57 imap(gau.mon(a)crownkenya.com)<19736><UQMD7/aELfGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:57 imap(gau.mon(a)crownkenya.com)<22060><athw7/aEL/GaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:29:57 imap(gau.mon(a)crownkenya.com)<21367><Prhw7/aELvGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:30:00 imap(gau.mon(a)crownkenya.com)<13285><JhMO7vaEKfGaTGQE>: Fatal: master: service(imap): child 13285 killed with signal 6 (core dumped) Mar 26 06:30:00 imap(gau.mon(a)crownkenya.com)<49026><FCSb7/aEMPGaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 06:30:02 imap(gau.mon(a)crownkenya.com)<19736><UQMD7/aELfGaTGQE>: Fatal: master: service(imap): child 19736 killed with signal 6 (core dumped) Mar 26 06:30:05 imap(gau.mon(a)crownkenya.com)<22060><athw7/aEL/GaTGQE>: Fatal: master: service(imap): child 22060 killed with signal 6 (core dumped) Mar 26 06:30:07 imap(gau.mon(a)crownkenya.com)<21367><Prhw7/aELvGaTGQE>: Fatal: master: service(imap): child 21367 killed with signal 6 (core dumped) Mar 26 06:30:10 imap(gau.mon(a)crownkenya.com)<49026><FCSb7/aEMPGaTGQE>: Fatal: master: service(imap): child 49026 killed with signal 6 (core dumped) Mar 26 07:59:40 imap(gau.mon(a)crownkenya.com)<27221><06UEMPiESPKaRh6E>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 07:59:40 imap(gau.mon(a)crownkenya.com)<28883><fssEMPiESvKaRh6E>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 07:59:40 imap(gau.mon(a)crownkenya.com)<29823><28oEMPiESfKaRh6E>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 07:59:40 imap(gau.mon(a)crownkenya.com)<27530><04UEMPiER/KaRh6E>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 07:59:42 imap(gau.mon(a)crownkenya.com)<27221><06UEMPiESPKaRh6E>: Fatal: master: service(imap): child 27221 killed with signal 6 (core dumped) Mar 26 07:59:42 imap(gau.mon(a)crownkenya.com)<30775><w9tqMPiETPKaRh6E>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 07:59:45 imap(gau.mon(a)crownkenya.com)<28883><fssEMPiESvKaRh6E>: Fatal: master: service(imap): child 28883 killed with signal 6 (core dumped) Mar 26 07:59:47 imap(gau.mon(a)crownkenya.com)<29823><28oEMPiESfKaRh6E>: Fatal: master: service(imap): child 29823 killed with signal 6 (core dumped) Mar 26 07:59:50 imap(gau.mon(a)crownkenya.com)<27530><04UEMPiER/KaRh6E>: Fatal: master: service(imap): child 27530 killed with signal 6 (core dumped) Mar 26 07:59:52 imap(gau.mon(a)crownkenya.com)<30775><w9tqMPiETPKaRh6E>: Fatal: master: service(imap): child 30775 killed with signal 6 (core dumped) Mar 26 08:45:40 imap(gau.mon(a)crownkenya.com)<83330><VtGH1PiEr/KaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:45:40 imap(gau.mon(a)crownkenya.com)<84059><lhKI1PiEsPKaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:45:40 imap(gau.mon(a)crownkenya.com)<84406><kRaI1PiEsfKaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:45:40 imap(gau.mon(a)crownkenya.com)<84458><CzKI1PiErvKaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:45:42 imap(gau.mon(a)crownkenya.com)<83330><VtGH1PiEr/KaTGQE>: Fatal: master: service(imap): child 83330 killed with signal 6 (core dumped) Mar 26 08:45:45 imap(gau.mon(a)crownkenya.com)<84059><lhKI1PiEsPKaTGQE>: Fatal: master: service(imap): child 84059 killed with signal 6 (core dumped) Mar 26 08:45:47 imap(gau.mon(a)crownkenya.com)<84406><kRaI1PiEsfKaTGQE>: Fatal: master: service(imap): child 84406 killed with signal 6 (core dumped) Mar 26 08:45:50 imap(gau.mon(a)crownkenya.com)<84458><CzKI1PiErvKaTGQE>: Fatal: master: service(imap): child 84458 killed with signal 6 (core dumped) Mar 26 08:54:55 imap(gau.mon(a)crownkenya.com)<88519><2qiO9fiE0fKaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:54:56 imap(gau.mon(a)crownkenya.com)<90725><ZhDq9fiE0vKaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:54:56 imap(gau.mon(a)crownkenya.com)<91408><oA/q9fiE0/KaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:54:56 imap(gau.mon(a)crownkenya.com)<90661><kc3p9fiE1PKaTGQE>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 08:54:58 imap(gau.mon(a)crownkenya.com)<88519><2qiO9fiE0fKaTGQE>: Fatal: master: service(imap): child 88519 killed with signal 6 (core dumped) Mar 26 08:55:01 imap(gau.mon(a)crownkenya.com)<90725><ZhDq9fiE0vKaTGQE>: Fatal: master: service(imap): child 90725 killed with signal 6 (core dumped) Mar 26 08:55:03 imap(gau.mon(a)crownkenya.com)<91408><oA/q9fiE0/KaTGQE>: Fatal: master: service(imap): child 91408 killed with signal 6 (core dumped) Mar 26 08:55:06 imap(gau.mon(a)crownkenya.com)<90661><kc3p9fiE1PKaTGQE>: Fatal: master: service(imap): child 90661 killed with signal 6 (core dumped) Mar 26 09:26:06 imap(gau.mon(a)crownkenya.com)<45868><K+R8ZPmEJfMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 09:26:06 imap(gau.mon(a)crownkenya.com)<46114><WfR8ZPmEJPMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 09:26:06 imap(gau.mon(a)crownkenya.com)<47667><lCR9ZPmEJ/MpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 09:26:06 imap(gau.mon(a)crownkenya.com)<46900><fAx9ZPmEJvMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 09:26:08 imap(gau.mon(a)crownkenya.com)<45868><K+R8ZPmEJfMpOWd5>: Fatal: master: service(imap): child 45868 killed with signal 6 (core dumped) Mar 26 09:26:08 imap(gau.mon(a)crownkenya.com)<50503><zz+LZfmEKPMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 09:26:11 imap(gau.mon(a)crownkenya.com)<46114><WfR8ZPmEJPMpOWd5>: Fatal: master: service(imap): child 46114 killed with signal 6 (core dumped) Mar 26 09:26:15 imap(gau.mon(a)crownkenya.com)<47667><lCR9ZPmEJ/MpOWd5>: Fatal: master: service(imap): child 47667 killed with signal 6 (core dumped) Mar 26 09:26:17 imap(gau.mon(a)crownkenya.com)<46900><fAx9ZPmEJvMpOWd5>: Fatal: master: service(imap): child 46900 killed with signal 6 (core dumped) Mar 26 09:26:20 imap(gau.mon(a)crownkenya.com)<50503><zz+LZfmEKPMpOWd5>: Fatal: master: service(imap): child 50503 killed with signal 6 (core dumped) Mar 26 09:42:18 imap(andrew.oyugi(a)crownkenya.com)<52237><7dJjnfmEJtPFt2RO>: Error: Mailbox Sent: Saving mail: read(<imap client>) failed: read(size=7224) failed: Connection reset by peer (read reason=) Mar 26 10:13:18 imap(gau.mon(a)crownkenya.com)<81127><JxMuDvqEd/MpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 10:13:18 imap(gau.mon(a)crownkenya.com)<81432><QRMuDvqEePMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 10:13:18 imap(gau.mon(a)crownkenya.com)<79708><LBMuDvqEdvMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 10:13:18 imap(gau.mon(a)crownkenya.com)<78811><IxMuDvqEefMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 10:13:20 imap(gau.mon(a)crownkenya.com)<81127><JxMuDvqEd/MpOWd5>: Fatal: master: service(imap): child 81127 killed with signal 6 (core dumped) Mar 26 10:13:21 imap(gau.mon(a)crownkenya.com)<84406><wIVfDvqEevMpOWd5>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 26 10:13:23 imap(gau.mon(a)crownkenya.com)<81432><QRMuDvqEePMpOWd5>: Fatal: master: service(imap): child 81432 killed with signal 6 (core dumped) Mar 26 10:13:25 imap(gau.mon(a)crownkenya.com)<79708><LBMuDvqEdvMpOWd5>: Fatal: master: service(imap): child 79708 killed with signal 6 (core dumped) Mar 26 10:13:28 imap(gau.mon(a)crownkenya.com)<78811><IxMuDvqEefMpOWd5>: Fatal: master: service(imap): child 78811 killed with signal 6 (core dumped) Mar 26 10:13:30 imap(gau.mon(a)crownkenya.com)<84406><wIVfDvqEevMpOWd5>: Fatal: master: service(imap): child 84406 killed with signal 6 (core dumped) I have a coredump, but I don't see any relation so far: root@gw:/tmp/corefiles # gdb /usr/local/libexec/dovecot/imap imap.core GNU gdb (GDB) 8.2.1 [GDB v8.2.1 for FreeBSD] Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html > This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd12.0". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/local/libexec/dovecot/imap...(no debugging symbols found)...done. [New LWP 101447] Core was generated by `dovecot/imap'. Program terminated with signal SIGABRT, Aborted. #0 0x000000008153145a in thr_kill () from /lib/libc.so.7 (gdb) bt full #0 0x000000008153145a in thr_kill () from /lib/libc.so.7 No symbol table info available. #1 0x000000008152f844 in raise () from /lib/libc.so.7 No symbol table info available. #2 0x00000000814a2079 in abort () from /lib/libc.so.7 No symbol table info available. #3 0x00000000813257f7 in ?? () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #4 0x0000000081324000 in ?? () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #5 0x0000000081324d81 in ?? () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #6 0x0000000081324200 in i_panic () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #7 0x0000000081349fcf in ?? () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #8 0x0000000081ec2fc2 in XQuerySet::add_term (this=0x7fffffffe3e0, s=0x817892e0 "maureen.xxxxx(a)xxxx.co.ke") at ./fts-backend-xapian-functions.cpp:151 l = <optimized out> i = <optimized out> pos = <optimized out> #9 0x0000000081ec2c22 in XQuerySet::add (this=0x7fffffffe3e0, t=<optimized out>, s=<optimized out>) at ./fts-backend-xapian-functions.cpp:254 tmp1 = "body" tmp2 = "maureen.xxxx(a)xxxx.co.ke" t2 = <optimized out> s2 = 0x817892e0 "maureen.xxxx(a)xxxx.co.ke" i = <optimized out> #10 0x0000000081ec24fb in XQuerySet::add (this=0x7fffffffe3e0, type=<optimized out>, s=<optimized out>) at ./fts-backend-xapian-functions.cpp:182 sp = {<icu::UMemory> = {<No data fields>}, ptr_ = 0x81eb8591 "body", length_ = 4, static npos = 2147483647} t = {<icu::Replaceable> = {<icu::UObject> = {<icu::UMemory> = {<No data fields>}, _vptr$UObject = 0x822c3bc0 <vtable for icu::UnicodeString+16>}, <No data fields>}, fUnion = {fStackFields = {fLengthAndFlags = 130, fBuffer = u<error reading variable>}, fFields = {fLengthAndFlags = 130, fLength = 6553711, fCapacity = 121, fArray = 0x7fffffffe270 u<error reading variable>}}} s2 = <optimized out> sp2 = <optimized out> #11 0x0000000081ec0667 in fts_backend_xapian_lookup (_backend=<optimized out>, box=<optimized out>, args=0x81e35110, flags=<optimized out>, result=0x7fffffffe550) at fts-backend-xapian.cpp:470 a = <optimized out> backend = <optimized out> tp = {tv_sec = 1553584401, tv_usec = 717885} is_and = <error reading variable is_and (Cannot access memory at address 0x1)> hdr = <optimized out> i = <optimized out> r = <optimized out> n = <optimized out> uid = <optimized out> dt = <optimized out> qs = <optimized out> #12 0x0000000081ea5bf4 in fts_backend_lookup () from /usr/local/lib/dovecot/lib20_fts_plugin.so No symbol table info available. #13 0x0000000081eaa782 in ?? () from /usr/local/lib/dovecot/lib20_fts_plugin.so No symbol table info available. #14 0x0000000081eaa5d0 in fts_search_lookup () from /usr/local/lib/dovecot/lib20_fts_plugin.so No symbol table info available. #15 0x0000000081eace94 in ?? () from /usr/local/lib/dovecot/lib20_fts_plugin.so No symbol table info available. #16 0x000000000104fa47 in imap_search_start () No symbol table info available. #17 0x0000000001040441 in cmd_search () No symbol table info available. #18 0x00000000010486bd in command_exec () No symbol table info available. #19 0x000000000104730a in ?? () No symbol table info available. #20 0x0000000001045ed7 in client_handle_input () No symbol table info available. #21 0x00000000010446c8 in client_input () No symbol table info available. #22 0x000000008133ebbf in io_loop_call_io () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #23 0x00000000813411ed in io_loop_handler_run_internal () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #24 0x000000008133f22e in io_loop_handler_run () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. --Type <RET> for more, q to quit, c to continue without paging-- #25 0x000000008133ef98 in io_loop_run () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #26 0x00000000812b2e08 in master_service_run () from /usr/local/lib/dovecot/libdovecot.so.0 No symbol table info available. #27 0x00000000010558a7 in main () No symbol table info available. (gdb) -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-)

2 1

dovecot 2.3.5 - tests fail: http payload echo (ssl)
by Helmut K. C. Tessarek 26 Mar '19

26 Mar '19

Hi, I was womdering, if anyone has experienced the same issues. When I run the tests after compiling 2.3.5, the following 4 tests fail: http payload echo (ssl): sequential .................................. : ok http payload echo (ssl): pipeline .................................... : ok http payload echo (ssl): parallel .................................... : FAILED: Test is hanging http payload echo (ssl) .............................................. : FAILED http payload echo (ssl; unknown size): sequential .................... : ok http payload echo (ssl; unknown size): pipeline ...................... : ok http payload echo (ssl; unknown size): parallel ...................... : FAILED: Test is hanging http payload echo (ssl; unknown size) ................................ : FAILED 4 / 114 tests failed Failed to run: ./test-http-payload The tests ran fine for 2.3.4.1. Is there any way, to debug the issue any further? Do the tests write log files? It just doesn't make amy sense. Nothing has changed on the OS since I compiled and tested 2.3.4.1. Cheers, K. C. -- regards Helmut K. C. Tessarek KeyID 0x172380A011EF4944 Key fingerprint = 8A55 70C1 BD85 D34E ADBC 386C 1723 80A0 11EF 4944 /* Thou shalt not follow the NULL pointer for chaos and madness await thee at its end. */

4 11

Panic
by Odhiambo Washington 25 Mar '19

25 Mar '19

Dovecot-2.3.5, FreeBSD-12 (amd64), I will wait to see coredumps after setting up things to allow it. Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<82746><wg80zdqEy+eaTXHr>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<82746><wg80zdqEy+eaTXHr>: Fatal: master: service(imap): child 82746 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set service imap { drop_priv_before_ exec=yes }) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<81688><pdUzzdqEyueaTXHr>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<81688><pdUzzdqEyueaTXHr>: Fatal: master: service(imap): child 81688 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set service imap { drop_priv_before_ exec=yes }) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<82020><qO8zzdqEyeeaTXHr>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<82020><qO8zzdqEyeeaTXHr>: Fatal: master: service(imap): child 82020 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set service imap { drop_priv_before_ exec=yes }) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<83452><Bw80zdqEzOeaTXHr>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<83452><Bw80zdqEzOeaTXHr>: Fatal: master: service(imap): child 83452 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set service imap { drop_priv_before_ exec=yes }) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<84305><9vV0zdqEzueaTXHr>: Panic: file mempool-system.c: line 137 (pool_system_realloc): assertion failed: (old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)) Mar 24 20:56:08 imap(john.doe(a)crownkenya.com)<84305><9vV0zdqEzueaTXHr>: Fatal: master: service(imap): child 84305 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set service imap { drop_priv_before_ exec=yes }) -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-)

1 0

imapsieve: script not triggered
by Andreas Krischer 25 Mar '19

25 Mar '19

Hi, folks! My problem: I set up dovecot with imapsieve to execute a script whenever a user copies a mail to his Spam folder (spam autolearning). Unfortunately this script is never executed regardless what I’m configuring for imapsieve. It looks like dovecot doesn’t really load the plugin… The "dovecot -n" output is attached. I already tried setting imapsieve_mailbox1_name to *, but even this does not execute the script… Also I tried a mailbox without mail_crypt enabled, no success as well. In the attached mail.log (mail_debug=yes) you can see, that imap_sieve_plugin is loaded, but it isn’t really executed. The normal (LMTP) sieve is working - if a mail is incoming the sieve module shows it work in mail.log: May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: file storage: Storage path `/var/vmail/myhost.name/postmaster/sieve' not found May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: file storage: Storage path `/var/vmail/myhost.name/postmaster/.dovecot.sieve' not found May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: storage: No default script location configured May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: User has no personal script May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: file storage: Using script storage path: /etc/dovecot/sieve/after/ May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: file script: Opened script `spam' from `/etc/dovecot/sieve/after/spam.sieve' May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: executed after user's Sieve script(1): /etc/dovecot/sieve/after/spam.sieve May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: Mailbox <lmtp DATA>: Opened mail UID=1 because: header Message-ID (Cache file is unusable) May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: Opening script 1 of 1 from `/etc/dovecot/sieve/after/spam.sieve' May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: Loading script /etc/dovecot/sieve/after/spam.sieve May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: Script binary /etc/dovecot/sieve/after/spam.svbin successfully loaded May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: binary save: not saving binary /etc/dovecot/sieve/after/spam.svbin, because it is already stored May 7 17:54:04 dovecot dovecot: lmtp(postmaster(a)myhost.name): Debug: YEm9ILyS8FqSaAAAujt/SA: sieve: Executing script from `/etc/dovecot/sieve/after/spam.svbin' I already spent hours on this problem so please let me know if you have any idea what the problem could be… :( Thanks in advance! Andreas

3 4

Sieve matching "size" with user variable?
by Ed W 25 Mar '19

25 Mar '19

Hi, I am trying to create a sieve filter which does something similar to the following: if size :over ${extdata.max_size} { # do something } This doesn't seem supported in recent dovecot and size only appears to accept a literal number? I'm not sure I could extra size into a variable either (to use variable matching). My understanding of sieve filters is that one needs to use something like a match, then use something like SET to put the match into a variable? This syntax doesn't seem to be compatible with the size test here either, so I don't see that I can do this? My goal is that users can set a user configurable setting (in an external front end) and if the email size is greater than this size then we will do some processing on it. This particular filter is actually in a global sieve filter. I guess I could use an external executable program, but is there another way to do this? Thanks for ideas Ed W

2 3

dovecot sasl support
by Wojciech Puchar 24 Mar '19

24 Mar '19

i've tried to replace saslauthd with dovecot sasl service stopped saslauthd daemon and added service auth { unix_listener /var/run/saslauthd/mux { mode = 0660 user = root group = mail } } so it will listen on the same socket. the effect with sendmail is as below Mar 23 21:23:29 <2.3> puchar dovecot: auth: Error: Authentication client not compatible with this server (mixed old and new binaries?) do i need to specify something while compiling sendmail to make it compatible?

3 6

Cannot get sieve script replication to work
by Marcel Menzel 24 Mar '19

24 Mar '19

Hello, I've set up dsync replication on 2 nodes and mail replication is working flawlessly, however it seems that replicating the sieve scripts won't work. Managesieve and sieve filter in gerneral seems to work on both nodes, however in order to have a synchronized state, I have to log onto both nodes with managesieve and save & activate the script. What's funny about this is that only deactivating the active sieve script (which removes the symlink) replicates from one node to the other (it's gone on both nodes then), but saving a new sieve script and activating it does not work. I cannot find anything on the internet about this problem (only old threads where an old commit should've fixed it), so I am asking here. Enabling mail_debug = yes and sieve_trace_debug = yes does not print anything useful here, the only thing I spotted was after creating and deleting the script afterwards, the other node complained about not being able to find the script: dovecot[15942]: doveadm: Debug: sieve: file script: File `/var/vmail/mcl.gg/mail/sieve/unnamed.sieve' not found dovecot[15942]: doveadm: Debug: doveadm-sieve: Value missing for key `vendor/vendor.dovecot/pvt/server/sieve/files/unnamed' (last change: 2019-03-24 15:24:27) All the messages about "Debug: sieve: file storage:" are correct. I am using Dovecot 2.3.5 (513208660) with Pigeonhole version 0.5.4 (60b0f48d) on Arch Linux 4.20.16.a-1-hardened. I've attached both node's doveconf -n. Kind regards, Marcel Menzel

1 0

Is this assumption correct?
by Tobi 24 Mar '19

24 Mar '19

Hello list we encounter a weird SSL issue with one of our dovecot (2.2.24 on Centos6) which we can only explain if our assumtion is correct Symptoms are that imaps connections (on port 993) suddenly get veeeery slow. Up to 180s for one connection with openssl s_client The thing we do not understand is that in the same time imap connections with starttls are just 1s. We can see that entropy on the affected system is not so high cat /proc/sys/kernel/random/entropy_avail 138 So our current theory is: we're running short of entropy but imaps connections are much more affected because they are encrypted from first bit. Whereas a starttls connection has an unencrypted part which generates some entropy it does not use. So I can add entropy to the system that other connections can use. We're open for any other theory but for the moment we believe (tm) that this is the reason that starttls is far more less affected than SSL Cheers tobi

3 2

Re: Dovecot quota and Postfix smtpd_recipient_restrictions?
by Davide Marchi 24 Mar '19

24 Mar '19

>> Well, >> >> so the right syntax (in my case) would be: >> >> -o smtpd_recipient_restrictions = >> reject_non_fqdn_recipient,reject_unknown_recipient_domain,permit_sasl_authenticated,reject,check_policy_service >> inet:mailstore.example.com:12340 >> >> right?? > I configured it before the "permit_sasl_authenticated" and the "reject" > statement. > I've a doubt (again): Is it correct the the space between "[..]service" and "inet[..]"? As suggested here: https://blog.sys4.de/postfix-dovecot-mailbox-quota-en.html I've run: postconf smtpd_recipient_restrictions=check_policy_service inet:mailstore.example.com:12340 but obtain the error: postconf: fatal: missing '=' after attribute name: "inet:mailstore.example.com:12340" Please, which is the correct syntax? :-) Thanks again! Davide

2 1

is it possible - username aliases
by Wojciech Puchar 23 Mar '19

23 Mar '19

i already have quite large dovecot installation with multiple domains but with users handled via unix passwd. Domain name mapping in both directions is done by sendmail, and mail delivery by procmail to Maildir format - one account per user. this accounts are often used for more than mail. So for example john smith have email john(a)foo.pl and unix username foo-john. His imap client and smtp client is configured to use login foo-john and email address john(a)foo.pl Everything works flawlessly. But i will have few new users that insist of being able to login as someone(a)somewhere.pl Can i have something similar to sendmail method in dovecot - an alias table like someone(a)somewhere.pl some-unix-account For this few users and have everything like it is now?

2 3

quota-service with Director - A workaround
by Tom Sommer 23 Mar '19

23 Mar '19

I realize quota-service on Director is not supported, which is a shame. As a workaround I'm thinking of setting up quota-service on one of my backend nodes, and have all my Postfix services ask this one node for the quota status. This sort of defeats the purpose of the Director (having per-user assigned hot nodes), since now this one node running the quota-service will access all mailboxes to check the status of all inbound mail. Is this a problem though? In terms of NFS locking etc. etc.? -- Tom

3 5

Send folder disappeared
by Esteban L 23 Mar '19

23 Mar '19

Hello, Dovecot 2.2.27 I have a strange issue, where my "Send" folder was absent in my mailbox. It had been there before, fully functioning. Then, it was gone. I went into: vi /etc/dovecot/conf.d/15-mailboxes.conf And, noticed that my mailbox for Sent was no longer automatically subscribed, so I changed it, and restarted dovecot. > # For \Sent mailboxes there are two widely used names. We'll mark > both of > # them as \Sent. User typically deletes one of them if duplicates > are created. > mailbox Sent { > special_use = \Sent > auto = subscribe > } > mailbox "Sent Messages" { > special_use = \Sent > } > } Now, Sent shows up again, but email I send, doesn't show up in the sent file?? The sent file is, and remains, empty. >

2 2

Is this assumption correct?
by Tobi 23 Mar '19

23 Mar '19

Hello list we encounter a weird SSL issue with one of our dovecot (2.2.24 on Centos6) which we can only explain if our assumtion is correct :-) Symptoms are that imaps connections (on port 993) suddenly get veeeery slow. Up to 180s for one connection with openssl s_client The thing we do not understand is that in the same time imap connections with starttls are just 1s. We can see that entropy on the affected system is not so high cat /proc/sys/kernel/random/entropy_avail 138 So our current theory is: we're running short of entropy but imaps connections are much more affected because they are encrypted from first bit. Whereas a starttls connection has an unencrypted part which generates some entropy it does not use. So I can add entropy to the system that other connections can use. We're open for any other theory but for the moment we believe (tm) that this is the reason that starttls is far more less affected than SSL Cheers tobi

1 0

Messages not saved to my "Sent" folder
by Esteban L 23 Mar '19

23 Mar '19

Hello, Using Dovecot 2.2.27 1. Had an issue where my Sent box, "disappeared." I used to be present, but then it was just gone. I went in and changed the /etc/dovecot/conf.d/15-mailboxes.conf the auto=subscribe feature had disappeared, even though I had added that line at setup. Below is the new changes. # For \Sent mailboxes there are two widely used names. We'll mark both of # them as \Sent. User typically deletes one of them if duplicates are created. mailbox Sent { special_use = \Sent auto = subscribe } mailbox "Sent Messages" { special_use = \Sent } } 2. But, mail is STILL not sent to SENT folder. 3. I have reload both postfix and dovecot, and also systemctl restart postfix && systemctl restart dovecot. The Sent folder is present, but no mail is stored to it. 4. Before sending this email, I checked my mobile client, and the Sent file was full from previously sent email. When I "updated it"/repolled it, it is now empty. Any able to lend a helping hand? Thanks.

1 0

Maildirs on AWS EFS
by Rodolfo Gonzalez 22 Mar '19

22 Mar '19

Hello, AWS released one month ago a EFS system with administered life cycle, which means that files not accessed in the last 30 days are moved to a lower cost storage tier. Currently I hold my e-mail, delivered to Maildir++ folders by postfix and retrieved with Dovecot, in standard EBS volumes. This has the disadvantage that I need to allocate more than enough space to ensure that the volume won't get filled too soon. And this costs. Changing to standard EFS wasn't an option, since it's way more expensive than EBS. But, with the new system, costs are lower. I just have a doubt in the technical side: is it safe to have the email in EFS? I've read experiences about storing in S3 and using a driver to mount the bucket, and it seems that it's not a very good option. But EFS works like NFS4. Does anyone have experience mounting an EFS to store maildirs? Thanks in advanced, Rodolfo.

4 3

Can't remove a folder created with doveadm import from IMAP client
by Francis 22 Mar '19

22 Mar '19

Hi, I imported mails with the doveadm import command. It worked great, but now, I'm unable to remove the folder backup-2019-03-22? In Thunderbird, the folder is displayed with grey italic font. The command I ran: doveadm import -u user(a)example.com mdbox:/var/vmail/domains/ example.com/user/mdbox-backup INBOX/backup-2019-03-22 all I found this help page from Mozilla: http://kb.mozillazine.org/Grey_italic_folders. It says Thunderbird display the folder in grey italic when the folder have the \Noselect flag. Is it the case with the problem I'm having? If yes, how to remove that flag on the folder? Thanks. -- Francis

1 0

dovecot.sieve shows up as a mailbox
by Esteban L 22 Mar '19

22 Mar '19

Hello, Config infos below. Short version, I am getting this weird anomaly on my main email account. Such that, "dovecot.sieve" is showing up as a mailbox in my various email clients (e.g. k-9 (mobile), and Evolution). I have tried deleting the "rogue folder" with doveadm, but it just returns. Anyone have any suggestions where I can track this down. dovecot --version 2.2.27 dovecot -n # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.16 (fed8554) # OS: Linux 4.9.0-6-amd64 x86_64 Debian 9.8 ext4 auth_debug = yes auth_debug_passwords = yes auth_mechanisms = plain login auth_verbose = yes auth_verbose_passwords = yes mail_debug = yes mail_location = maildir:/var/mail/vmail/%d/%n mail_plugins = " quota" mail_privileged_group = vmail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded- character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext namespace inbox { inbox = yes location = mailbox Archive { auto = subscribe special_use = \Archive } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { quota = maildir:User quota quota_grace = 10%% quota_rule = *:storage=10G quota_rule2 = Trash:storage=+1G quota_status_overquota = 552 5.2.2 Mailbox is full quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_after = /etc/dovecot/sieve/spamfilter.sieve sieve_dir = ~/sieve } protocols = " imap lmtp sieve" service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } } service imap-login { inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } ssl = required ssl_cert = </etc/letsencrypt/live/little-beak.com/fullchain.pem ssl_key = # hidden, use -P to show it userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } verbose_ssl = yes protocol lmtp { mail_plugins = " quota sieve" postmaster_address = esteban(a)little-beak.com } protocol lda { mail_plugins = " quota sieve" } protocol imap { mail_plugins = " quota imap_quota" }

5 7

Re: imap ---- LIST "" * The returned mailbox does not display quotes
by lty 21 Mar '19

21 Mar '19

Yes, Foxmail for mac client, after dovecot upgrade from 2.1.17 to new version, imap can't receive any email, I perform packet capture test, foxmail will not have next step after sending {LIST "" *} command action. Foxmail for mac client, dovecot version 2.1.17 can receive imap mail normally, because we need to add quota_max_mail_size configuration, we must upgrade to a higher version (https://wiki2.dovecot.org/Quota/Configuration# Maximum_saved_mail_size) After comparison, the new version of dovecot returned without quotes. I hope that the quotes can be changed in the configuration, can I? Can I change the configuration to add quotes now? Or add this setting in the next version. > On 21 Mar 2019, at 6.22, lty via dovecot <dovecot(a)dovecot.org> wrote: > >> dovecot version >> >> v2.2.29 >> >> v2.2.36 >> >> v2.3.5 >> >> LIST "" * The returned mailbox does not display quotes >> v2.1.17 >> >> LIST "" * The returned mailbox shows quotation marks >> >> Why is the quotation mark removed in the new version? > > Because they were unnecessary. The code was changed to use more generic IMAP token writer, which adds quotes only as necessary. > >> Is there any configuration option in the new version to add quotes? > > No. Does it break some client?

4 3

Re: Dovecot quota and Postfix smtpd_recipient_restrictions?
by Davide Marchi 21 Mar '19

21 Mar '19

> From: Urban Loesch <bind(a)enas.net> > Hi, > >> Well, >> >> so the right syntax (in my case) would be: >> >> -o smtpd_recipient_restrictions = >> reject_non_fqdn_recipient,reject_unknown_recipient_domain,permit_sasl_authenticated,reject,check_policy_service >> inet:mailstore.example.com:12340 >> >> right?? > I configured it before the "permit_sasl_authenticated" and the "reject" > statement. > >> >> And eventually, should you suggest me how made some functional >> verification test? > According to: http://www.postfix.org/SMTPD_POLICY_README.html try on > your postfix: > > telnet mailstore.example.com 12340 > > and insert the following lines: > > sender=somesender(a)somedomain.com > recipient=your(a)recipient.com > size=12345 > [empty line] > > > Set a size= in bytes which is greater that your configured quota. > In theory the policy service should respond with your configured error > message "552 5.2.2 Mailbox is full". > > Example on my server: > > ... > sender=postmaster(a)somedomain.com > recipient=my(a)recipient.com > size=123450000000 > > action=552 5.2.2 Mailbox is full > ... > > > For a livetest reduce the quota of your testaccount to ex. 100KB and > the send a mail > 100BK from outside to it. You should see the "552" > error > message in your logs and you should get back a bouncemail from the > sending server. > > Hope I explained it correct. > > Best > Urban WAW! Very very clear your example! Thanks again Urban, you are a friend ;-) I will try... Thanks again to all! Davide -- cosmogoniA n o p r o v a r e n o f a r e o n o n f a r e n o n c e p r o v a r e

1 0

imap ---- LIST "" * The returned mailbox does not display quotes
by lty 21 Mar '19

21 Mar '19

dovecot version v2.2.29 v2.2.36 v2.3.5 LIST "" * The returned mailbox does not display quotes dovecot version v2.1.17 LIST "" * The returned mailbox shows quotation marks Why is the quotation mark removed in the new version? Is there any configuration option in the new version to add quotes? Because I see a lot of big public mailboxes with quotation marks.

2 1

Dovecot crashing when attempting to search in virtual folder with fts_squat activated
by benjamin＠godbersen.info 20 Mar '19

20 Mar '19

Hi everyone, I am running into a problem when trying to use fts_squat in a virtual folder. Without fts_squat plugin the search (from, subject...) works in all folders. With activated fts the search on the inbox folders works expectedly well but any attempt to search anything in any virtual folder leads to the following error. Similarly when attempting "doveadm fts lookup". I also noticed that no search index for the virtual folders gets build - is this expected behaviour? Mar 14 23:14:58 *** dovecot: service=imap, user=***, ip=[::1]. Panic: file mail-storage.c: line 1913 (mailbox_get_open_status): assertion failed: (box->opened) Mar 14 23:14:58 *** dovecot: service=imap, user=***, ip=[::1]. Error: Raw backtrace: /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(+0xba731) [0x7f553a7ff731] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(+0xba7fa) [0x7f553a7ff7fa] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(i_fatal+0) [0x7f553a771638] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot-storage.so.0(mailbox_get_open_status+0x68) [0x7f553aae4a78] -> /usr/lib/dovecot/modules/lib21_fts_squat_plugin.so(+0x3684) [0x7f553677a684] -> /usr/lib/dovecot/modules/lib21_fts_squat_plugin.so(+0x3820) [0x7f553677a820] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(fts_backend_lookup_multi+0x163) [0x7f5539b016a3] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0xd728) [0x7f5539b06728] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(fts_search_lookup+0xeb) [0x7f5539b06bbb] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0xf8b8) [0x7f5539b088b8] -> dovecot/imap(imap_search_start+0x6a) [0x5654cb5a0d6a] -> dovecot/imap(cmd_sort+0x293) [0x5654cb593553] -> dovecot/imap(command_exec+0x64) [0x5654cb599874] -> dovecot/imap(+0x1bd22) [0x5654cb597d22] -> dovecot/imap(+0x1bdbc) [0x5654cb597dbc] -> dovecot/imap(client_handle_input+0x1b5) [0x5654cb5981c5] -> dovecot/imap(client_input+0xa4) [0x5654cb5987e4] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7f553a8174a9] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x12e) [0x7f553a818d1e] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(io_loop_handler_run+0x4c) [0x7f553a8175ac] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f553a8177b8] -> /usr/lib/x86_64-linux-gnu/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f553a7940a3] -> dovecot/imap(main+0x339) [0x5654cb58a539] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7f553a375b97] -> dovecot/imap(_start+0x2a) [0x5654cb58a71a] Mar 14 23:14:58 *** dovecot: service=imap, user=***, ip=[::1]. Fatal: master: service(imap): child 6436 killed with signal 6 (core dumps disabled) This is my config: # 2.3.0.1 (ffd8a29): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.0.1 (d33dca20) # OS: Linux 4.15.0-46-generic x86_64 Ubuntu 18.04.2 LTS ext4 auth_mechanisms = plain login digest-md5 cram-md5 apop auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890&.-_@' default_vsz_limit = 8096 M disable_plaintext_auth = no first_valid_uid = 30 imap_client_workarounds = delay-newmail imap_logout_format = rcvd=%i, sent=%o mail_home = /var/qmail/mailnames/%Ld/%Ln mail_location = maildir:/var/qmail/mailnames/%Ld/%Ln/Maildir mail_log_prefix = "service=%s, user=%u, ip=[%r]. " mail_max_userip_connections = 100 mail_plugins = quota fts fts_squat virtual managesieve_logout_format = rcvd=%i, sent=%o managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeri$ namespace inbox { inbox = yes location = prefix = INBOX. separator = . } namespace virtual { hidden = no inbox = no list = yes location = virtual:/var/qmail/mailnames/%Ld/%Ln/virtual/:INDEX=/var/qmail/mailnames/%Ld/%Ln/virtual/ prefix = separator = . } passdb { driver = plesk } plugin { fts = squat fts_squat = partial=4 full=10 quota = maildir:User quota quota_grace = 0 sieve = ~/.dovecot.sieve sieve_dir = ~/sieve sieve_extensions = +notify +imapflags } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_logout_format = rcvd=%i, sent=%o, top=%t/%p, retr=%r/%b, del=%d/%m, size=%s protocols = imap pop3 sieve service auth-worker { group = user = } service auth { group = unix_listener auth-userdb { group = popuser mode = 0600 user = popuser } user = } service imap-login { process_limit = 2048 service_count = 1 } service imap { process_limit = 2048 service_count = 1 } service pop3-login { process_limit = 2048 service_count = 1 } service pop3 { process_limit = 2048 service_count = 1 } ssl_cert = </etc/dovecot/private/dovecot.pem ssl_cipher_list = HIGH:!aNULL:!MD5 ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes userdb { args = uid=popuser gid=popuser driver = static } protocol imap { mail_plugins = quota fts fts_squat virtual imap_quota } protocol pop3 { pop3_uidl_format = UID%u-%v } protocol sieve { mail_plugins = quota fts fts_squat virtual } protocol lda { mail_plugins = quota fts fts_squat virtual sieve } dovecot --version -> 2.3.0.1 (ffd8a29) I will be greatful for any tips hinting me on how to resolve this behaviour. Thank you very much in advance Benjamin

4 5

Dovecot Wiki: Please disable edit on double click
by Michael Goth 20 Mar '19

20 Mar '19

Hi Aki, could you maybe disable the 'edit on doubleclick' feature on wiki2.dovecot.org? Everytime I try to select a word by double clicking on it, I end up in editing mode. It's just a minor thing, but maybe I'm not the only one who's annoyed by this ;) Thanks! Michael

6 6

Checkpassword.
by Niamh Holding 20 Mar '19

20 Mar '19

Hello, I've run into the issue detailed at https://wiki2.dovecot.org/AuthDatabase/CheckPassword#Security Understandably I don't have the skills to modify checkpassword so if I do the suggested will it work? If you can't change the script, you can make Dovecot's checkpassword-reply binary setuid or setgid (e.g. chgrp dovecot /usr/libexec/dovecot/checkpassword-reply; chmod g+s /usr/libexec/dovecot/checkpassword-reply) -- Best regards, Niamh mailto:niamh@fullbore.co.uk

1 1

Re: Dovecot quota and Postfix smtpd_recipient_restrictions?
by Davide Marchi 20 Mar '19

20 Mar '19

> From: Urban Loesch > > Hi, > >> I would like to enable (the same) quota (count) for all >> (virtual)users, >> on Debian Stretch, Postfix 3.1.8, Dovecot 2.2.27, >> and is not clear for me if I need to tell Postfix to communicate with >> the service in /etc/postfix/main.cf as here: >> >> >> smtpd_recipient_restrictions = >> ... >> check_policy_service inet:mailstore.example.com:12340 > I configured it like your example above and it works for me. > > Best > Urban Well, so the right syntax (in my case) would be: -o smtpd_recipient_restrictions = reject_non_fqdn_recipient,reject_unknown_recipient_domain,permit_sasl_authenticated,reject,check_policy_service inet:mailstore.example.com:12340 right? :-) And eventually, should you suggest me how made some functional verification test? Many many many thanks Urban!! ;-) Davide

2 1

Dovecot quota and Postfix smtpd_recipient_restrictions?
by Davide Marchi 20 Mar '19

20 Mar '19

Hi Friends, a doubt: I would like to enable (the same) quota (count) for all (virtual)users, on Debian Stretch, Postfix 3.1.8, Dovecot 2.2.27, and is not clear for me if I need to tell Postfix to communicate with the service in /etc/postfix/main.cf as here: smtpd_recipient_restrictions = ... check_policy_service inet:mailstore.example.com:12340 My current Postfix "smtpd_recipient_restrictions": -o smtpd_recipient_restrictions=reject_non_fqdn_recipient,reject_unknown_recipient_domain,permit_sasl_authenticated,reject Currently I've edited: conf.d/10-mail.conf: # Space separated list of plugins to load for all services. Plugins specific to # IMAP, LDA, etc. are added to this list in their own .conf files. mail_plugins = $mail_plugins quota conf.d/20-imap.conf: protocol imap { # Space separated list of plugins to load (default is global mail_plugins). mail_plugins = $mail_plugins imap_quota } conf.d/90-quota.conf: (for use with the quota-status service) plugin { quota_grace = 10%% # 10% is the default quota_status_success = DUNNO quota_status_nouser = DUNNO quota_status_overquota = "552 5.2.2 Mailbox is full" } /etc/dovecot/conf.d/90-quota.conf: plugin { quota = maildir quota_rule = *:storage=3G quota_rule2 = Trash:storage=+100M # LDA/LMTP allows saving the last mail to bring user from under quota to # over quota, if the quota doesn't grow too high. Default is to allow as # long as quota will stay under 10% above the limit. Also allowed e.g. 10M. #quota_grace = 10%% # 10% is the default quota_status_success = DUNNO quota_status_nouser = DUNNO quota_status_overquota = "552 5.2.2 Mailbox is full" } plugin { quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u } plugin { #quota = dirsize:User quota #quota = maildir:User quota #quota = dict:User quota::proxy::quota #quota = fs:User quota quota = count:User quota # This is required - it uses "virtual sizes" rather than "physical sizes" for quota counting: quota_vsizes = yes } plugin { #quota = dict:user::proxy::quota #quota2 = dict:domain:%d:proxy::quota_domain #quota_rule = *:storage=102400 #quota2_rule = *:storage=1048576 } service quota-warning { executable = script /usr/local/bin/quota-warning.sh user = dovecot unix_listener quota-warning { user = vmail } } service quota-status { executable = quota-status -p postfix inet_listener { port = 12340 # You can choose any port you want } client_limit = 1 } Many many thanks!! Davide

3 2

4sec latency when using director
by Erik de Waard 19 Mar '19

19 Mar '19

Hi, I've been running dovecot for many years, but now i've hit a strange problem. when retrieving imap there is sometimes in 1 of 4 imap requests a 4sec latency. * notes: - connected directly to the backends this latency disappears - removing a director from the loadbalancer(lvs) so i'm the only connected to the director this latency disappears too I would appreciate some feedback of where to look because i tried various options. (client_limit,process_limit) perhaps its just as simple as to add more directors but any feedback would be welcome. Thank you. This is the setup: -- Internet -> LVS -> 3 Directors -> 9 Backends. doveadm director status mail server ip tag vhosts state state changed users 10.0.10.110 100 up - 3309 10.0.10.111 100 up - 3412 10.0.10.112 100 up - 3458 10.0.10.113 100 up - 3437 10.0.10.115 100 up - 3368 10.0.10.116 100 up - 3320 10.0.10.117 100 up - 3305 10.0.10.118 100 up - 3291 10.0.10.223 100 up - 3280 #Director doveconf -n # Pigeonhole version 0.4.22 (22940fb7) # OS: Linux 4.9.0-6-amd64 x86_64 Debian 9.4 # Hostname: server312.company.com auth_cache_negative_ttl = 0 auth_cache_size = 10 M auth_cache_ttl = 1 days auth_username_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@#" default_client_limit = 3000 director_mail_servers = 10.0.10.223 10.0.10.110 10.0.10.111 10.0.10.112 10.0.10.113 10.0.10.115 10.0.10.116 10.0.10.117 10.0.10.118 director_servers = 10.0.10.114 10.0.10.181 10.0.10.182 director_user_expire = 1 days disable_plaintext_auth = no info_log_path = /dev/null lmtp_proxy = yes login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e encryption=%k secured=%c mail_max_userip_connections = 100 passdb { args = proxy=y nopassword=y driver = static } protocols = imap lmtp service director { fifo_listener login/proxy-notify { mode = 0600 user = $default_login_user } inet_listener { port = 9090 } unix_listener director-userdb { mode = 0600 } unix_listener login/director { mode = 0666 } } service imap-login { client_limit = 6000 executable = imap-login director process_limit = 4 process_min_avail = 4 service_count = 0 vsz_limit = 600 M } service ipc { unix_listener ipc { user = dovecot } } service lmtp { inet_listener lmtp { port = 24 } } ssl_cert = </etc/ssl-certificates/MDC_company_com.crt ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL:!RC4:!SEED@STRENGTH ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes protocol lmtp { auth_socket_path = director-userdb } #backend doveconf -n # 2.2.34 (874deae): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.22 (22940fb7) # OS: Linux 4.9.0-6-amd64 x86_64 Debian 9.4 # Hostname: server250.company.com auth_cache_negative_ttl = 0 auth_cache_size = 10 M auth_cache_ttl = 1 days auth_username_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@#" default_client_limit = 1500 default_vsz_limit = 600 M disable_plaintext_auth = no info_log_path = /dev/null listen = * log_timestamp = "%Y-%m-%d %H:%M:%S " mail_max_userip_connections = 100 mail_privileged_group = mail mmap_disable = yes namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = INBOX. separator = . type = private } passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } plugin { sieve_execute_bin_dir = /etc/dovecot/sieve-executables sieve_global_extensions = +vnd.dovecot.execute sieve_plugins = sieve_extprograms } protocols = imap lmtp service anvil { unix_listener anvil-auth-penalty { mode = 0600 } } service auth { user = root } service imap-login { client_limit = 6000 process_limit = 4 process_min_avail = 4 service_count = 0 vsz_limit = 600 M } service imap { client_limit = 1 process_limit = 1024 service_count = 50 } service lmtp { inet_listener lmtp { port = 24 } } ssl = no ssl_cert = </etc/dovecot/dovecot.crt ssl_key = # hidden, use -P to show it userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } verbose_proctitle = yes protocol lmtp { mail_plugins = " sieve" plugin { sieve = ~/filters.sieve sieve_after = /etc/dovecot/sieve/after.sieve sieve_before = /etc/dovecot/sieve/before.sieve } userdb { args = /etc/dovecot/dovecot-sql-lmtp.conf driver = sql name = } }

1 1

Way to remove FTS indexes
by Peter Mogensen 19 Mar '19

19 Mar '19

Hi, I was wondering if there was anyway to remove FTS indexes in other to have them rebuild on the next BODY search? All the doveadm commands I can find seem to result in fully build indexes. (which is nice if that's what you want). /Peter

2 1

Re: Upgrade from 2.1.17 2.2.36
by lty 19 Mar '19

19 Mar '19

I use the MAC Foxmail client, v2.2.36 can't receive mail, but v2.1.17 can receive mail. I grabbed the network package and found that Foxmail was not processing the next step after sending the D LIST "" * command. I suspect that because of the time of return, Foxmail is not recognized, so I want to remove this time. 在 2019-03-18 18:03，Aki Tuomi 写道： > On 18.3.2019 12.00, lty via dovecot wrote: > >> v2.1.1 >> >> v2.2.36 >> >> The screenshot is the result returned by imap. >> >> I don't want to want dovecot to return time, can I close it? > > Why do you want this? > > Aki

2 3

AD ldap, filter to exclude various kinds of expired, disabled etc etc users
by mj 19 Mar '19

19 Mar '19

Hi, I was revising our AD ldap user_filter and pass_filter to exclude more types of expired / disabled accounts. I started adding things like: > (&(objectclass=person)(sAMAccountName=%n)(!useraccountcontrol=514)(!(useraccountcontrol=546))(!(useraccountcontrol=66050))(!(useraccountcontrol=8388608))) but then I thought, why not simply do: > (&(objectclass=person)(sAMAccountName=%n)(userAccountControl=512)) as 512 would your regular active user accounts only, excluding all other account types. Looking here (https://support.microsoft.com/en-gb/help/305144/how-to-use-useraccountcontr…) there are some many different userAccountControl to check, that it might be smarter to only allow userAccountControl=512, or....? Any ideas on this..? (or examples of how you do it?) MJ

2 1

Dovecot logrotation - old journal files are still in use
by Denis V Razumovskiy 19 Mar '19

19 Mar '19

2 2

dovecot-openssl-common.c and [-Wincompatible-pointer-types]
by Rupert Gallagher 18 Mar '19

18 Mar '19

Warnings from clang 7.0 when compiling dovecot-openssl-common.c from dovecot 2.3.5 with openssl 1.1.1a. This is dovecot's configuration: > config_options="--prefix=$prefix \ > --sysconfdir=$prefix/etc \ > --datarootdir=$prefix/share \ > --mandir=$man \ > --docdir=$doc \ > --with-docs \ > --with-ssl=openssl --with-ssldir=$prefix/etc \ > --with-sodium \ > --with-libiconv-prefix=/opt/libiconv \ > \ > --with-bzlib=no \ > --with-gssapi=no \ > --with-ldap=no \ > --with-lucene=no \ > --with-lz4=no \ > --with-lzma=no \ > --with-pam=no \ > --with-solr=no \ > --with-sql=no \ > --with-vpopmail=no \ > --with-zlib=no \ > \ > --enable-dependency-tracking"; Note on passing: --with-ssldir=$prefix/etc is ignored by the configurator, as it forces $prefix/etc/dovecot.

1 0

Dovecot logrotation - old journal files are still in use (second attempt)
by Denis V Razumovskiy 18 Mar '19

18 Mar '19

Hi all Sorry, it is the second attempt due to wrong format of the first message. In my Dovecot there are 3 files of logging (debug, info and .log) While executing logrotation, the new files are created, but the previos ones, namely dovecot.*.1 are still in use by the process Here is the logger process in memory: root 19140 0.0 0.0 4140 1576 ? S Mar12 0:06 dovecot/log Here the files it uses after the daily logrotation had happened: # lsof -p19140 |grep log ... log 19140 root 33w REG 9,3 811 417675 /var/log/dovecot.log.1 log 19140 root 34w REG 9,3 2842123 417681 /var/log/dovecot.info.1 log 19140 root 35w REG 9,3 14853918 417683 /var/log/dovecot.debug.1 ... After the manual issue 'doveadm log reopen` command the files are changed to # lsof -p19140 |grep dovecot\\\. ... log 19140 root 33w REG 9,3 0 417651 /var/log/dovecot.log log 19140 root 34w REG 9,3 121374 417690 /var/log/dovecot.info log 19140 root 35w REG 9,3 916153 417691 /var/log/dovecot.debug as it is expected to be. I use the logrotate config for dovecot instance: /var/log/dovecot.log /var/log/dovecot.info /var/log/dovecot.debug { daily rotate 14 missingok notifempty compress delaycompress sharedscripts postrotate doveadm log reopen chmod 666 /var/log/dovecot.log chmod 666 /var/log/dovecot.info chmod 666 /var/log/dovecot.debug endscript } At the same time, dovecot itself still uses previous logs: # lsof |grep var\/log\/dovecot\. dovecot 19138 root 8w REG 9,3 12962 417613 /var/log/dovecot.log.1 (deleted) dovecot 19138 root 9w REG 9,3 4097250 416836 /var/log/dovecot.info.1 (deleted) dovecot 19138 root 10w REG 9,3 23816347 417603 /var/log/dovecot.debug.1 (deleted) What can be the root of the issue? I use Dovecot as LDA for Postfix with system users, mbox mail format. System Slackware 12.0 x86, Postfix 2.4.5, Dovecot 2.2.36. Interconnect Postfix-Dovecot has been made via `mailbox_command = ...' Dovecot was compiled from sources Logging configuration (file conf.d/10-logging.conf) contains the following: log_path = /var/log/dovecot.log info_log_path = /var/log/dovecot.info debug_log_path = /var/log/dovecot.debug auth_verbose = yes auth_verbose_passwords = yes auth_debug = yes mail_debug = yes verbose_ssl = yes plugin { } Could the fact, that Postfix require Dovecot logs to be accessible someway, result in such a weird behavior? To allow other processes to access Dovecot logs I had to chmod 0666 all the current logs while integrating Dovecot into Postfix delivery (please see `chmod' commands in the logrotate config above) Please ignore my previos post https://dovecot.org/pipermail/dovecot/2019-March/115075.html Thank you Denis Razoumovskiy

2 1

child-wait.c and [-Wnull-pointer-arithmetic]
by Rupert Gallagher 18 Mar '19

18 Mar '19

Attached warnings from clang 7.0 when compiling child-wait.c from dovecot 2.3.5: "arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension [-Wnull-pointer-arithmetic]".

2 2

LDAP users issue
by Anushka Bandara 18 Mar '19

18 Mar '19

Hi Team, I have enabled LDAP authentication with webmail client and it works successfully. But I found an error with LDAP user's mail. Email is not loaded when I log with an LDAP user. Login phase is successful and mail box is the issue. I created a mail user without including LDAP and that user works fine. Issue comes only with LDAP users. *Anushka Bandara* Research Engineer Lanka Software Foundation +94715846018

3 4

Upgrade from 2.1.17 2.2.36
by lty 18 Mar '19

18 Mar '19

v2.1.1 v2.2.36 The screenshot is the result returned by imap. I don't want to want dovecot to return time, can I close it?

2 1

`Spam' folder creation for multiple users
by Marek Kozlowski 17 Mar '19

17 Mar '19

:-) I've just added pigeonhole and a simple sieve script: ------------------------------------------------- require "fileinto"; if header :contains "X-Spam-Flag" "YES" { fileinto "Spam"; } ------------------------------------------------- If a user has this folder (`Spam') it works fine. If they haven't it results in an error. 1. Can I modify the script to create this folder if the need arise? 2. If not - what's the most recommended way of adding this folder for all users (~1000)? Thanks! Best regards, Marek

3 2

MikroTik Users Contact List
by Kathleen Brown 17 Mar '19

17 Mar '19

Hello, Hope you're having a great day! I just wanted to know if you're looking to acquire MikroTik Users Contact List for your marketing efforts? Information Field: Names, Title, Email, Phone, Company Name, Company URL, Company physical address, SIC Code, Industry and Company Size (Revenue and Employee). Kindly review and let me know of your target interest so that I can get back to you with the exact counts and sample file. Do let me know if you have any questions for me. Regards, Kathleen Brown Database Executive If you do not wish to receive these emails. Please respond Exit.

2 1

lda: Unknown mail storage driver maildir
by Rob De Langhe 17 Mar '19

17 Mar '19

hi all, I have a successful (self-compiled from source code) Dovecot v2.2.16 setup active on my Solaris-10 server, with mails stored in user's $HOME/Maildir The mails are fetched from the ISP with "fetchmail", using a "cron" job fetchmail -f $HOME/etc/pop3.myisp where the file "$HOME/etc/pop3.myisp" contains set logfile fetchmail.log poll pop.myisp.be with proto POP3 user myIspmailLogin there with password myIspPwd is rob here nokeep mda "/programs-3.2/amd64/64/libexec/dovecot/deliver" Now I want to get it also running on a Debian server, with the same Dovecot version, and exactly the same config files, but here I get the following messages in "/var/log/mail.log" when launching a "fetchmail" attempt : Mar 17 14:36:20 apps_b dovecot: lda(rob): Debug: Effective uid=1000, gid=1000, home=/home/rob Mar 17 14:36:20 apps_b dovecot: lda(rob): Debug: Namespace inbox: type=private, prefix=, sep=, inbox=no, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir Mar 17 14:36:20 apps_b dovecot: lda(rob): Error: User initialization failed: Namespace '': Unknown mail storage driver maildir Mar 17 14:36:20 apps_b dovecot: lda(rob): Fatal: Invalid user settings. Refer to server log for more information. So it seems to be complaining about "maildir" storage driver ?! My config is: # /programs/3.4/x86_64/64/sbin/dovecot -n -c /usr/local/dovecot/dovecot.conf # 2.2.16: /usr/local/dovecot/dovecot.conf # OS: Linux 3.16.0-4-amd64 x86_64 Debian 8.4 disable_plaintext_auth = no first_valid_gid = 1000 first_valid_uid = 1000 last_valid_gid = 1500 last_valid_uid = 2000 mail_debug = yes mail_location = maildir:~/Maildir namespace inbox { location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = * driver = pam } postmaster_address = rob(a)mydomain.be ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = passwd }

2 1

LMTP Proxy failure using master login via destuser field
by Dirk 17 Mar '19

17 Mar '19

Hi list, I set up dovecot as IMAP proxy using a master user to login into the backend and it works beautifully. 👍🏻 Next I set out to do LMTP proxying and I struggled (initially). I got the log message: Mar 17 11:23:44 mail postfix/lmtp[2665]: 99A3F219C8: to=<johnny(a)doe.com>, relay=10.15.1.2[10.15.1.2]:24, delay=5.1, delays=4.9/0.05/0.01/0.07, dsn=5.1.1, status=bounced (host 10.15.1.2[10.15.1.2] said: 550 5.1.1 <"johnny(a)doe.com*director"@mail.server.com> User doesn't exist: "johnny(a)doe.com*director"@mail.server.com (in reply to RCPT TO command)) My director's passdb setting looked like this: passdb { driver = sql args = /etc/dovecot/sql/my-passdb.conf result_success = continue-ok result_failure = return-fail result_internalfail = return-fail } # Add director master user credentials if above succeeded passdb { driver = static args = proxy=y starttls=any-cert \ destuser=%u*director(a)example.com \ pass=correcthorsebatterystaple \ nopassword=y skip = unauthenticated } In the end I found that setting the `master` field instead of `destuser` solves the issue. It looks like LMTP does not know how to handle the master user separator although set. I this known/wanted behavior? Maybe this is something to mention on the wiki page, it took a while to figure this out... Kind regards, Dirk Mit freundlichen Grüßen Dirk Weise DevOps Engineer -- bitloft GmbH | Schulstraße 2 | D-42551 Velbert www.bitloft.de | weise(a)bitloft.de Telefon: +49 2051 40514-32 Geschäftsführer: Robin Clemens, Franz-Josef Wieneke Amtsgericht Wuppertal HRB 17297 | USt-IDNr. DE121540053

1 0

testing dovecot LMTP with postfix/spamassassin
by Marek Kozlowski 17 Mar '19

17 Mar '19

:-) My postfix configuration is quite complex with a lot of special cases and rules. However I'd like to make an anti-spam configuration as simple and lightweight as possible (KISS). /etc/postfix/master.cf ------------------------------------------------------------------------ smtp inet n - n - - smtpd -o content_filter=spamassassin spamassassin unix - n n - - pipe user=nobody argv=/usr/bin/vendor_perl/spamc -e /usr/sbin/sendmail -oi -f ${sender} ${recipient} ------------------------------------------------------------------------ then the simplest sieve rule I can think of: ------------------------------------------------------------------------ require "fileinto"; if header :contains "X-Spam-Flag" "YES" { fileinto "Spam"; } ------------------------------------------------------------------------ I'd like to make this rule active for only local deliveries via dovecot LMTP with sieve plugin and setting postfix `mailbox_transport' to dovecot LMTP. I believe it is so simple it should work (am I wrong?). But... It would be more convenient to do some tests before applying changes to a production environment config. The problem is: I have no separate testing environment with my strange configuration I'm able to test a spamassassin score for an e-mail manually. How about dovecot LMTP? Can I test local mail delivery by dovecot LMTP manually? I mean: to simulate "I'm the Postfix" and produce for some testing e-mail the same effect as postfix granting it via `local_transport' to dovecot? Best regards, Marek

4 6

LMTP: Undelivered Mail Returned to Sender: User doesn't exist! :-(
by Marek Kozlowski 17 Mar '19

17 Mar '19

:-) I'm using postfix for mail delivery and dovecot for mailbox access imaps pop3s. Postfix resolves, verifies and overwrites users' addresses by numerous subtle LDAP queries. However users are visible as local ones (openldap, pam, nss) in the sense I can run `id' or `finger' queries and receive replies. Dovecot handles all mailboxes over imap/pop correctly with no additional configuration for LDAP. Just (10-mail.conf): mail_location = maildir:/mailboxes/%u and it works fine. Because I'd like to use pigeonhole I'm trying to make local delivery via dovecot LMTP (https://wiki2.dovecot.org/HowTo/PostfixDovecotLMTP) I've configured the socket and added to `/etc/postfix/main.cf' the line: mailbox_transport = lmtp:unix:/var/spool/postfix/private/dovecot-lmtp I think that id dovecot handles mailboxes correctly over imap/pop it can easily find the users and their mailboxes so it doesn't need any additional configuration for LDAP. Unfortunately it doesn't work and results in: Undelivered Mail Returned to Sender: User doesn't exist! :-( What's the thing I've missed? Best regards, Marek

2 2

How to create sent items, drafts and so on
by Sakuma, Koshiro 17 Mar '19

17 Mar '19

Hello, I've setup Dovecot and Postfix mailing systems. The protocol is imap. Now, I've realized that there are no "sent items, drafts" boxed under Maildir for each users. I would like to take back up Inbox, sent items, draft boxes. For sent items box, it seems to be stored in outlook client file which is "ost". The configuration parameters and version is as follows. I can see that "namespace" has been configured. How can I setup to see these folders? Thank you for your support! 1. Dovecot version ->2.2.36 2. dovecot -n ----------------------------------------------------------------------------------------------------------- #2.2.36 (1f10bfa63): /etc/dovecot/dovecot.conf # OS: Linux 3.10.0-957.5.1.el7.x86_64 x86_64 CentOS Linux release 7.6.1810 (Core) # Hostname: mail.corp-associe.com auth_mechanisms = plain login auth_verbose = yes disable_plaintext_auth = no first_valid_uid = 1000 listen = * log_path = /var/log/dovecot.log mail_debug = yes mail_location = maildir:~/Maildir mbox_write_locks = fcntl namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = } passdb { args = scheme=CRAM-MD5 username_format=%u /etc/dovecot/users driver = passwd-file } protocols = imap service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } } service imap-login { inet_listener imap { port = 0 } inet_listener imaps { port = 993 ssl = yes } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 995 ssl = yes } } ssl_cert = </etc/letsencrypt/fullchain1.pem ssl_key = # hidden, use -P to show it userdb { args = username_format=%u /etc/dovecot/users driver = passwd-file } userdb { args = uid=vmail gid=vmail home=/var/spool/virtual/%d/%n driver = static }

4 9

Re: Unable to set quota-fs plugin
by Eric Grammatico 17 Mar '19

17 Mar '19

Hi there, Well.. I didn't find a way to strace imap. If I well understood, the faulty IMAP is launched by dovecot from or after a succesfull imap-login process. I have executed manually '/usr/libexec/dovecot/imap -u eric' and typed getquotaroot "INBOX" which didn't reproduce the error seen in the dovecot logs and reported the correct quota. Any idea how to find the imap command generating the error imap(eric)<3085></M5VXfCBwJejrKVa>: Error: Failed to get quota resource STORAGE: quota-fs: quotactl(Q_GETQUOTA, /dev/vda1) failed: No such file or directory Thanks and regards, - Eric Grammatico _/) 14 mars 2019 11:46 "Eric Grammatico" <e.grammatico(a)gmail.com> a écrit: > I use sendmail and quota-status is not running in background. > > Fully aligned with you about focusing on imap... will try to get other strace and report there. > > thanks and regards, > > - > Eric Grammatico _/) > > 14 mars 2019 11:37 "Yassine Chaouche via dovecot" <dovecot(a)dovecot.org> a écrit: > >> On 3/14/19 9:53 AM, Yassine Chaouche via dovecot wrote: >> >>> On 3/13/19 2:10 PM, Eric Grammatico via dovecot wrote: >>>> Thanks Aki, >>>> >>>> Please find attached strace for imap and quota-status which report an >> error at the end. >>>> >>>> Regards, >>> >>> write(2, "/usr/libexec/dovecot/quota-statu"..., > 57/usr/libexec/dovecot/quota-status: invalid >>> option -- 'u' >>> >>> Please retry with the good options (-u is invalid) >>> >>> Yassine. >> >> Ah, that seems to be the service that is called by the MTA before delivering the mail to the LDA, >> in case the user is over quota, so that the MTA may bounce the e-mail right away instead of >> accepting it first then bouncing afterwards (after the LDA refuses the message). >> >> But according to the error message you posted on your first e-mail, the error happens with imap, I >> don't know if quota-status is involved here (might be) ? >> >> In any case, I would concentrate on imap and not quota-status. Nothing in the imap strace shows any >> trace of errors. Particulary, I was looking for a quotactl line in the strace, but I couldn't find >> it. >> >> In the other hand, it is present in the doveadm quota strace, and has completed successfully >> >> dovecot.strace:quotactl(QCMD(Q_GETQUOTA, USRQUOTA), "/dev/vda1", 1000, {dqb_bhardlimit=4194304, >> dqb_bsoftlimit=3170304, dqb_curspace=638853120, dqb_ihardlimit=0, dqb_isoftlimit=0, >> dqb_curinodes=12784, ...}) = 0 >> >> Someone has to tell us under what conditions will the imap daemon check for quota (at login ? at >> delivery or any other action involving moving mail around like copying or expunging ?) >> >> For the quota-status libexec, I have set it to run with quota-status -f postfix but your setup may >> vary (if it's every configured). If it is running, you can just grep it's pid with pgrep >> quota-status then strace -p $PID and see how it behaves (wait until a quota operation is needed). >> >> Yassine.

2 6

ssl_dh
by sergio 16 Mar '19

16 Mar '19

https://wiki.dovecot.org/SSL/DovecotConfiguration says: "Since v2.3.3+ Diffie-Hellman parameters have been made optional, and you are encouraged to disable non-ECC DH algorithms completely." and a bit later: "From version 2.3, you must specify path to DH parameters file using ssl_dh=</path/to/dh.pem" So. 1. Is ssl_dh an optional or a must? 2. I've disabled ssl_dh in my config. Dovecot works fine except it shows warnings: doveconf: Warning: please set ssl_dh=</etc/dovecot/dh.pem doveconf: Warning: You can generate it with: dd ... I'm using dovecot version 2.3.4.1-1~bpo9+1 from debian stretch-backports -- sergio.

3 5

regarding ssl certificates
by mick crane 15 Mar '19

15 Mar '19

Excuse dopey question. I'm not exactly clear about certificates. Apache2 default install has this snake oil certificate Can make a new one for apache Can make one for dovecot Can make one for ssl Is there supposed to be the one (self signed ) certificate pair in one place for the machine that each process hands out ? Can they be moved to another machine ? mick -- Key ID C7D6E24C

12 16

lua policy for Weakforce and web mail failed login attempts
by Robert Kudyba 15 Mar '19

15 Mar '19

The good news is I believe I got Weakforce running 1) curl -X GET http://127.0.0.1:8084/?command=ping -u wforce:ourpassword {"status":"ok"}[ 2) after running the sample for loop: for a in {1..101}; do curl -X POST -H "Content-Type: application/json" --data '{"login":"ahu", "remote": "127.0.0.1", "pwhash":"1234'$a'", "success":"false"}' http://127.0.0.1:8084/?command=report -u wforce:ourpassword; done The result is: {"status":"ok"}{"status":"ok"}{"status":"ok"}{ 3) So checking the stats: curl -X POST -H "Content-Type: application/json" --data '{"ip":"127.0.0.1"}' http://127.0.0.1:8084/?command=getDBStats -u wforce:ourpassword {"bl_expire": "", "bl_reason": "", "blacklisted": false, "ip": "127.0.0.1", "stats": {"OneHourDB": {"diffFailedPasswords": 93}}} Notice the 93. 4) the reset works but I believe there's a bug in Getdbstats v2.0.0 where "blacklisted" is always shown: curl -X POST -H "Content-Type: application/json" --data '{"ip":"127.0.0.1"}' http://127.0.0.1:8084/?command=getDBStats -u wforce:ourpassword {"bl_expire": "", "bl_reason": "", "blacklisted": false, "ip": "127.0.0.1", "stats": {"OneHourDB": {"diffFailedPasswords": 0}}}[ 5) wforce -c Read configuration from '/usr/local/etc/wforce.conf' Connecting to 127.0.0.1:4004 > stats() 101 reports, 0 allow-queries (0 denies) The 3 big questions I have: a: how do I know IP's are being banned/rejected? Is there an alert creation or a way to see in the logs that the rules are in affect? b: since I installed via Git and ran "make" how to I get wforce --daemon to start on reboot? Is there a systemd file available? c: How do I create a lua policy that would catch these web dovecot login attempts? Feb 27 08:19:53 ourserver auth[15085]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 08:19:53 ourserver auth[15085]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser= user(a)ourserver.ourdomain.edu rhost=177.72.0.158 Feb 27 08:20:35 ourserver auth[15085]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 08:20:35 ourserver auth[15085]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=user rhost=213.156.111.236 Feb 27 08:27:07 ourserver auth[16831]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 08:27:07 ourserver auth[16831]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser= nobody(a)ourserver.ourdomain.edu rhost=79.106.35.59 Feb 27 08:27:27 ourserver auth[16831]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=nobody rhost=95.38.212.65 user=nobody Feb 27 08:27:27 ourserver auth[16831]: pam_succeed_if(dovecot:auth): requirement "uid >= 1000" not met by user "nobody" Feb 27 08:31:12 ourserver auth[17875]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 08:31:12 ourserver auth[17875]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser= ouruser(a)ourserver.ourdomain.edu rhost=80.78.70.1 Feb 27 08:31:33 ourserver auth[17875]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=ouruser rhost=45.225.236.198 user=ouruser Feb 27 09:32:22 ourserver auth[32689]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 09:32:22 ourserver auth[32689]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser= nobody(a)ourserver.ourdomain.edu rhost=37.205.81.41 Feb 27 09:32:42 ourserver auth[32689]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=nobody rhost=201.148.100.198 user=nobody Feb 27 09:32:42 ourserver auth[32689]: pam_succeed_if(dovecot:auth): requirement "uid >= 1000" not met by user "nobody" Feb 27 09:44:09 ourserver auth[3271]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 09:44:09 ourserver auth[3271]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser= otheruser(a)ourserver.ourdomain.edu rhost=177.69.145.193 Feb 27 09:44:35 ourserver auth[3271]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 09:44:35 ourserver auth[3271]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=otheruser rhost=175.143.51.221 Feb 27 09:47:32 ourserver auth[4048]: pam_unix(dovecot:auth): check pass; user unknown Feb 27 09:47:32 ourserver auth[4048]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser= yetanotheruser(a)ourserver.ourdomain.edu rhost=162.245.81.231 Feb 27 09:47:56 ourserver auth[4048]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=yetanotheruser rhost=83.243.88.236 user=yetanotheruser Feb 27 20:44:41 ourserver auth[5828]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=ouruser rhost=166.171.184.200 user=ouruser

1 0

Re: ACL Folders are open but not being displayed ? [2.3.3]
by Aki Tuomi 15 Mar '19

15 Mar '19

It's a file, `touch subscriptions` Aki On 15.3.2019 11.36, Kunal A. wrote: > Oh okay. How do correct this? Create the file/folder for this? ie > mkdir suscriptions ? > > > On Fri, Mar 15, 2019 at 5:29 AM Aki Tuomi <aki.tuomi(a)open-xchange.com > <mailto:aki.tuomi@open-xchange.com>> wrote: > > Nevertheless, the subscriptions file needs to be there. > > Aki > > On 15.3.201911.28, Kunal A. wrote: >> Dear Aki, >> Got it corrected. Many thanks for pointing it out. There is >> another error about suscriptions. I don't have any folder with >> subscriptions. See the error below :- >> >> Mar 15 05:22:10 machine dovecot[4804]: imap(email1(a)example.com >> <mailto:email1@example.com>)<4970><XjWwkh6EBsAAAAAAAAAAAAAAAAAAAAAB>: >> Error: stat(/mnt/computer/Email/fastmail/subscriptions) failed: >> Permission denied >> >> dr-xr-xr-x root root / >> drwxr-xr-x root root mnt >> drwxr-xr-x vmail vmail computer >> drwxrwxr-x vmail vmail Email >> drwxrwxr-x vmail vmail fastmail >> subscriptions - No such file or directory >> >> Best Regards >> >> >> On Fri, Mar 15, 2019 at 3:02 AM Aki Tuomi >> <aki.tuomi(a)open-xchange.com <mailto:aki.tuomi@open-xchange.com>> >> wrote: >> >> >> On 15.3.2019 8.40, Kunal A. via dovecot wrote: >>> Hey, >>> Could someone help figure out whats wrong with my config >>> based on the debug below? >>> >>> What I am trying to achieve is to get email1(a)example.com >>> <mailto:email1@example.com> to read emails in the Public >>> directory that is stored on >>> /run/media/computer/Storage/Email/fastmail/Archive with the >>> preface Public/Archive . >>> >>> The ACL has been set for anyone with permissions to >>> lookup,read,write as shown below:- >>> >>> doveadm acl get -u email1(a)example.com >>> <mailto:email1@example.com> Public/Archive >>> ID Global >>> Rights >>> anyone lookup read write >>> >>> But when I try to access the emails for email1(a)example.com >>> <mailto:email1@example.com> , there are no folders. >>> Could someone here help review my debug log and advise what >>> could be causing this (dovecot -n output is provided below >>> the debug message) >>> >>> Many thanks for assistance. >>> Thanks >>> >> >>> Mar 15 01:29:28 machine dovecot[2100]: >>> imap(email1(a)example.com >>> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >>> Error: >>> open(/run/media/computer/Storage/Email/fastmail/dovecot-acl-list) >>> failed: Permission denied >> >>> Mar 15 01:29:28 machine dovecot[2100]: >>> imap(email1(a)example.com >>> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >>> Error: stat(/run/media/computer/Storage/Email/fastmail) >>> failed: Permission denied (euid=5000(vmail) egid=5000(vmail) >>> missing +w perm: /run/media/computer/Storage/Email/fastmail >>> stat(/run/media/computer/Storage/Email/fastmail) failed: >>> Permission denied, dir owned by 0:0 mode=0775) >> >>> Mar 15 01:29:28 machine dovecot[2100]: >>> imap(email1(a)example.com >>> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >>> Error: >>> stat(/run/media/computer/Storage/Email/fastmail/.temp.e480machine.5167.a6506e27bd37a68a) >>> failed: Permission denied >> >>> Mar 15 01:30:14 machine dovecot[2100]: >>> imap(email1(a)example.com >>> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >>> Error: mkdir(/run/media/computer/Storage/Email/fastmail) >>> failed: Permission denied (euid=5000(vmail) egid=5000(vmail) >>> missing +w perm: /run/media/computer, we're not in group >>> 0(root), dir owned by 0:0 mode=0775) >>> >> >> Maybe try fix these? >> >> >> Aki >>

2 1

Double quota calulation when special folder is present
by Bernd Wurst 15 Mar '19

15 Mar '19

Hello, we're operating dovecot on a small server. Some years ago, we migrated from courier IMAP to dovecot. Therefore, we defined our default Namespace "inbox" with prefix "INBOX." to have this compatible. I found this in some migration docs those days. Generally, everything worked as expected. Our only namespace is configured like this: namespace inbox { separator = . prefix = INBOX. inbox = yes } Regularly, there is no folder named INBOX or .INBOX in the file system, I suppose this is correct. But I found a special corner case today when it comes to quota calculation. When - for whatever reason - a folder .INBOX.foo (for arbitrary values of foo) exists, the whole mailbox is counted twice in quota recalculation. Just creating .INBOX does nothing but a subfolder triggers the problem. This is my shell view (replaced username and file path and deleted unnecessary debug output) $ cat maildirsize 268435456S 14697 17 $ maildirmake .INBOX.foo $ sudo doveadm -D quota recalc -u <user> [...] doveadm(<user>): Debug: Namespace inbox: type=private, prefix=INBOX., sep=., inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:/home/.../test doveadm(<user>): Debug: maildir++: root=/home/.../test, index=, indexpvt=, control=, inbox=/home/.../test, alt= doveadm(<user>): Debug: Namespace : type=private, prefix=, sep=, inbox=no, hidden=yes, list=no, subscriptions=no location=fail::LAYOUT=none doveadm(<user>): Debug: none: root=, index=, indexpvt=, control=, inbox=, alt= doveadm(<user>): Debug: quota: quota_over_flag check: quota_over_script unset - skipping doveadm(<user>): Debug: Quota root User quota: Recalculated relative rules with bytes=268435456 count=0. Now grace=26843545 doveadm(<user>): Debug: Namespace INBOX.: Using permissions from /home/.../test: mode=0700 gid=default $ cat maildirsize 268435456S 29394 34 So the used quota has exactly been doubled by just creating an empty subfolder. Do you have any pointers for fixing my configuration or is this a bug in dovecot? regards, Bernd

2 1

Upgrading to 2.3
by ＠lbutlr 15 Mar '19

15 Mar '19

I haven't upgraded to dovecot 2.3 yet, but am looking into doing it. I thought there was a link to some of the issues and changes you needed to make to your configuration to go from 2.2 to 2.3, but now I cannot find it. -- Science is the foot that kicks magic square in the nuts.

4 4

Re: ACL Folders are open but not being displayed ? [2.3.3]
by Aki Tuomi 15 Mar '19

15 Mar '19

Nevertheless, the subscriptions file needs to be there. Aki On 15.3.201911.28, Kunal A. wrote: > Dear Aki, > Got it corrected. Many thanks for pointing it out. There is another > error about suscriptions. I don't have any folder with subscriptions. > See the error below :- > > Mar 15 05:22:10 machine dovecot[4804]: imap(email1(a)example.com > <mailto:email1@example.com>)<4970><XjWwkh6EBsAAAAAAAAAAAAAAAAAAAAAB>: > Error: stat(/mnt/computer/Email/fastmail/subscriptions) failed: > Permission denied > > dr-xr-xr-x root root / > drwxr-xr-x root root mnt > drwxr-xr-x vmail vmail computer > drwxrwxr-x vmail vmail Email > drwxrwxr-x vmail vmail fastmail > subscriptions - No such file or directory > > Best Regards > > > On Fri, Mar 15, 2019 at 3:02 AM Aki Tuomi <aki.tuomi(a)open-xchange.com > <mailto:aki.tuomi@open-xchange.com>> wrote: > > > On 15.3.2019 8.40, Kunal A. via dovecot wrote: >> Hey, >> Could someone help figure out whats wrong with my config based on >> the debug below? >> >> What I am trying to achieve is to get email1(a)example.com >> <mailto:email1@example.com> to read emails in the Public >> directory that is stored on >> /run/media/computer/Storage/Email/fastmail/Archive with the >> preface Public/Archive . >> >> The ACL has been set for anyone with permissions to >> lookup,read,write as shown below:- >> >> doveadm acl get -u email1(a)example.com <mailto:email1@example.com> >> Public/Archive >> ID Global Rights >> anyone lookup read write >> >> But when I try to access the emails for email1(a)example.com >> <mailto:email1@example.com> , there are no folders. >> Could someone here help review my debug log and advise what could >> be causing this (dovecot -n output is provided below the debug >> message) >> >> Many thanks for assistance. >> Thanks >> > >> Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com >> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >> Error: >> open(/run/media/computer/Storage/Email/fastmail/dovecot-acl-list) >> failed: Permission denied > >> Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com >> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >> Error: stat(/run/media/computer/Storage/Email/fastmail) failed: >> Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w >> perm: /run/media/computer/Storage/Email/fastmail >> stat(/run/media/computer/Storage/Email/fastmail) failed: >> Permission denied, dir owned by 0:0 mode=0775) > >> Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com >> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >> Error: >> stat(/run/media/computer/Storage/Email/fastmail/.temp.e480machine.5167.a6506e27bd37a68a) >> failed: Permission denied > >> Mar 15 01:30:14 machine dovecot[2100]: imap(email1(a)example.com >> <mailto:email1@example.com>)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: >> Error: mkdir(/run/media/computer/Storage/Email/fastmail) failed: >> Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w >> perm: /run/media/computer, we're not in group 0(root), dir owned >> by 0:0 mode=0775) >> > > Maybe try fix these? > > > Aki >

1 0

ACL Folders are open but not being displayed ? [2.3.3]
by Kunal A. 15 Mar '19

15 Mar '19

Hey, Could someone help figure out whats wrong with my config based on the debug below? What I am trying to achieve is to get email1(a)example.com to read emails in the Public directory that is stored on /run/media/computer/Storage/Email/fastmail/Archive with the preface Public/Archive . The ACL has been set for anyone with permissions to lookup,read,write as shown below:- doveadm acl get -u email1(a)example.com Public/Archive ID Global Rights anyone lookup read write But when I try to access the emails for email1(a)example.com , there are no folders. Could someone here help review my debug log and advise what could be causing this (dovecot -n output is provided below the debug message) Many thanks for assistance. Thanks Debug Message: Mar 15 01:26:47 machine dovecot[2100]: imap-login: Login: user=< email1(a)example.com>, method=PLAIN, rip=::1, lip=::1, mpid=5167, secured, session=<i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB> Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Loading modules from directory: /usr/lib64/dovecot Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Module loaded: /usr/lib64/dovecot/lib01_acl_plugin.so Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Module loaded: /usr/lib64/dovecot/lib02_imap_acl_plugin.so Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Module loaded: /usr/lib64/dovecot/lib10_quota_plugin.so Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Module loaded: /usr/lib64/dovecot/lib11_imap_quota_plugin.so Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Effective uid=5000, gid=5000, home=/var/mail/vhosts/ example.com/email1 Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: quota: No quota setting - plugin disabled Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Namespace inbox: type=private, prefix=INBOX/, sep=/, inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: maildir++: root=/var/mail/vhosts/example.com/email1/Maildir, index=, indexpvt=, control=, inbox=/var/mail/vhosts/example.com/email1/Maildir, alt= Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl: initializing backend with data: vfile Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl: acl username = email1(a)example.com Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl: owner = 1 Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl vfile: Global ACLs disabled Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Namespace : type=public, prefix=Public/, sep=/, inbox=no, hidden=no, list=children, subscriptions=yes location=maildir:/run/media/computer/Storage/Email/fastmail:LAYOUT=fs Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: fs: root=/run/media/computer/Storage/Email/fastmail, index=, indexpvt=, control=, inbox=, alt= Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl: initializing backend with data: vfile Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl: acl username = email1(a)example.com Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl: owner = 0 Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl vfile: Global ACLs disabled Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Namespace : type=private, prefix=, sep=, inbox=no, hidden=yes, list=no, subscriptions=no location=fail::LAYOUT=none Mar 15 01:26:47 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: none: root=, index=, indexpvt=, control=, inbox=, alt= Mar 15 01:28:37 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Mailbox INBOX: Mailbox opened because: SELECT Mar 15 01:28:37 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl vfile: file /var/mail/vhosts/ example.com/email1/Maildir/dovecot-acl not found Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Mailbox Public/Archive: Mailbox opened because: SELECT Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl vfile: no access to file /run/media/computer/Storage/Email/fastmail/Archive/dovecot-acl Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Error: open(/run/media/computer/Storage/Email/fastmail/dovecot-acl-list) failed: Permission denied Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Error: stat(/run/media/computer/Storage/Email/fastmail) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w perm: /run/media/computer/Storage/Email/fastmail stat(/run/media/computer/Storage/Email/fastmail) failed: Permission denied, dir owned by 0:0 mode=0775) Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Namespace Public/: Using permissions from /run/media/computer/Storage/Email/fastmail: mode=0700 gid=default Mar 15 01:29:28 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Error: stat(/run/media/computer/Storage/Email/fastmail/.temp.e480machine.5167.a6506e27bd37a68a) failed: Permission denied Mar 15 01:29:35 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: Mailbox INBOX/Public/Archive: Mailbox opened because: SELECT Mar 15 01:29:35 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl vfile: file /var/mail/vhosts/ example.com/email1/Maildir/.Public.Archive/dovecot-acl not found Mar 15 01:30:14 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Debug: acl vfile: file /var/mail/vhosts/ example.com/email1/Maildir/.Trash/dovecot-acl not found Mar 15 01:30:14 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Error: mkdir(/run/media/computer/Storage/Email/fastmail) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w perm: /run/media/computer, we're not in group 0(root), dir owned by 0:0 mode=0775) Mar 15 02:00:14 machine dovecot[2100]: imap(email1(a)example.com)<5167><i8fdSBuE8uMAAAAAAAAAAAAAAAAAAAAB>: Disconnected for inactivity in=155 out=1494 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 dovecot -n Output : # 2.3.3 (dcead646b): /etc/dovecot/dovecot.conf # OS: Linux 4.20.14-200.fc29.x86_64 x86_64 Fedora release 29 (Twenty Nine) # Hostname: machine auth_mechanisms = plain login mail_debug = yes mail_gid = vmail mail_location = maildir:~/Maildir mail_plugins = acl quota mail_privileged_group = mail mail_uid = vmail mbox_write_locks = fcntl namespace { list = children location = maildir:/run/media/computer/Storage/Email/fastmail:LAYOUT=fs prefix = Public/ separator = / subscriptions = yes type = public } namespace inbox { inbox = yes list = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = INBOX/ separator = / } passdb { driver = pam } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { acl = vfile acl_shared_dict = file:/var/mail/vhosts/example.com/Sharedbox } postmaster_address = postmaster at example.com protocols = imap pop3 service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0600 user = vmail } user = dovecot } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 995 ssl = yes } } ssl = required ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_cipher_list = PROFILE=SYSTEM ssl_key = # hidden, use -P to show it userdb { driver = passwd } userdb { args = uid=vmail gid=vmail home=/var/mail/vhosts/%d/%n driver = static } protocol lmtp { mail_plugins = quota acl sieve quota } protocol lda { mail_plugins = quota acl sieve } protocol imap { mail_plugins = acl quota imap_acl quota acl imap_quota }

2 1

dovecot.conf "local hostname" uses only one resolved value
by James 14 Mar '19

14 Mar '19

https://wiki.dovecot.org/SSL/DovecotConfiguration#Different_certificates_pe… says: local 192.0.2.10 { # instead of IP you can also use hostname, which will be resolved However if the name resolves to multiple values only one is used. Test. Choose any name with multiple values, I created a local name: $ nslookup multi.lan Server: 127.0.0.1 Address: 127.0.0.1#53 Name: multi.lan Address: 192.168.1.2 Name: multi.lan Address: 192.168.1.3 Name: multi.lan Address: 192.168.1.1 Minimal dovecot.conf: local multi.lan { protocol imap { ssl_cert = </path/to/certs/multi.lan.crt ssl_key = </path/to/certs/multi.lan.key } } $ dovecot -n -c dovecot.conf # 2.3.5 (513208660): dovecot.conf ... local 192.168.1.2 { protocol imap { ssl_cert = </path/to/certs/multi.crt ssl_key = # hidden, use -P to show it } } Only 192.168.1.2 appears. In my real case with A and AAAA records, only the AAAA record is used. Testing with "openssl s_client -starttls imap ..." gives me the wrong certificate for the IPv4 address. Workaround: specify all addresses and do not use lookup. James.

1 0

dovecot/config processes one more time - which are safe to kill?
by Arkadiusz Miśkiewicz 14 Mar '19

14 Mar '19

Hello. The problem with dovecot/config processes never ending and spawning new one on each reload (https://www.dovecot.org/list/dovecot/2016-November/106058.html) is becoming a problem here: # ps aux|grep dovecot/config|wc -l 206 That's a lot of wasted memory - dovecot/config processes ate over 30GB of ram on 64GB box. Before killing dovecot/config processes: # free -m total used free shared buff/cache available Mem: 64437 61656 483 0 2297 after: # free -m total used free shared buff/cache available Mem: 64437 23676 37822 0 2939 Currently on dovecot 2.3.3. I guess it's very low priority to handle that, so: how can I figure out which dovecot/config processes are safe to be killed by external script? Does "all beside 2 newest ones" rule look sane? Thanks, -- Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )

3 5

Quota questions
by Peter Hudec 14 Mar '19

14 Mar '19

Hi all, I’m a little bit confused about the quota plugin in dovecot and fighting the the issues the people had years ago. I spent readingg the old archives and the mailing list for 3 days and not able to get work some features. Single user quota is fine and simple, the group quota /for example domain based/ makes me unhappy. Setup: CentOS7, dovecot comunity repo, dovecot 2.3.5 1) domain quota recalc domain quota recalc do not work properly. The domain qouta usage is worknig well, hwhen receiving/deleting mail, generaly if the operations are incremental. But if I run domain quota recalc, the doveadm is setting the domain quota after each user calculation, that means the domain quota is set to the last user. 2) multiple quota roots and rules According the documentation, there could be possible, from the sample configuration file # Multiple quota roots are also possible, for example this gives each user # their own 100MB quota and one shared 1GB quota within the domain plugin { quota = dict:User quota::proxy::quota quota2 = dict:Group quota:%d:proxy::quota_domain quota_rule = *:storage=1024M quota2_rule = *:storage=2048M } But If I run [TEST] root(a)mail-store01.test.host.sk: /etc/dovecot # doveadm quota get -u '*' Username Quota name Type Value Limit % test01(a)test.host.sk User quota STORAGE 1 1024 0 test01(a)test.host.sk User quota MESSAGE 1 - 0 test01(a)test.host.sk Group quota STORAGE 7 - 0 test01(a)test.host.sk Group quota MESSAGE 3 - 0 test03(a)test.host.sk User quota STORAGE 7 1024 0 test03(a)test.host.sk User quota MESSAGE 3 - 0 test03(a)test.host.sk Group quota STORAGE 7 - 0 test03(a)test.host.sk Group quota MESSAGE 3 - 0 The idea is to have overall domain quota, but for user able to set it’s personal quota. regards Peter

2 3

dovecot-keywords are not preserved any more when moving mails between folders
by Piper Andreas 14 Mar '19

14 Mar '19

Hello, after an upgrade of dovecot-2.2.5 to dovecot-2.3.4 the dovecot-keywords, which in my case are set by thunderbird, are not preserved any more when moving a mail between folders. Are there any ideas, what may be the reason. Thanks for any hints on that, Andreas 'doveconf -n' gives: # 2.3.4 (0ecbaf23d): /etc/opt/csw/dovecot/dovecot.conf # Pigeonhole version 0.5.4 (60b0f48d) # OS: SunOS 5.11 i86pc # Hostname: xxxxx.hrz.uni-marburg.de auth_cache_negative_ttl = 0 auth_cache_size = 10 M auth_master_user_separator = * auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_ auth_username_format = %u auth_worker_max_count = 1024 base_dir = /var/run/dovecot/ default_vsz_limit = 1 G first_valid_gid = 30000 first_valid_uid = 30000 imap_max_line_length = 640 k mail_debug = yes mail_location = maildir:%h/.maildir mail_plugins = " mail_log notify" mail_privileged_group = mail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext namespace { hidden = no inbox = yes list = yes location = maildir:%h/.maildir prefix = separator = / subscriptions = yes type = private } namespace inbox { hidden = yes inbox = no list = no location = maildir:%h/.maildir prefix = mail/ separator = / subscriptions = no type = private } passdb { args = /etc/dovecot.deny deny = yes driver = passwd-file } passdb { args = /etc/opt/csw/dovecot/private/passwd.masterusers driver = passwd-file master = yes } passdb { args = /etc/opt/csw/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve sieve_default = /var/lib/dovecot/default.sieve } pop3_uidl_format = %08Xv%08Xu postmaster_address = postmaster(a)hrz.uni-marburg.de protocols = imap pop3 lmtp sieve service auth-worker { user = $default_internal_user } service auth { client_limit = 6000 } service imap-login { process_min_avail = 64 service_count = 0 } service imap { process_limit = 4096 } service lmtp { inet_listener lmtp { port = 24 } } service managesieve-login { inet_listener sieve { port = 4190 } } ssl_cert = </etc/opt/csw/ssl/certs/imap+pop.hrz.uni-marburg.de.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { args = /etc/opt/csw/dovecot/dovecot-ldap-userdb.conf.ext driver = ldap } protocol imap { mail_max_userip_connections = 25 ssl_cert = </etc/opt/csw/ssl/certs/imap+pop.hrz.uni-marburg.de.pem ssl_key = # hidden, use -P to show it } protocol lmtp { mail_plugins = " mail_log notify sieve" } protocol pop3 { ssl_cert = </etc/opt/csw/ssl/certs/imap+pop.hrz.uni-marburg.de.pem ssl_key = # hidden, use -P to show it }

5 8

replication dropped imap flags
by Patrick Cernko 14 Mar '19

14 Mar '19

Hi list, I think, I found a bug in the replication setup, that drops (custom) flags like Thunderbird labels. I have set up a simple 2 node setup to reproduce and explain it: Host adove.mpi-klsb.mpg.de and bdove.mpi-klsb.mpg.de (doveconf -n attached) have dovecot-imapd (from repo.dovecot.org) installed on an ext4 filesystem. They only have one account "test" via /etc/dovecot/userdb ("test:testpassword:::Test User::/bin/bash:"). It's mailbox contains one message, that is flagged with "$label1": doveadm -f flow fetch -u test 'guid flags' ALL guid=d1516a2b5c08fc5b541d00005a350039 flags=\Recent $label1 Now I simulate a node reinstall on adove by uninstalling dovecot, removing all remnants, reinstalling and configuring it again: apt purge dovecot-core dovecot-imapd rm -rf /var/vmail /var/lib/dovecot /etc/dovecot apt install dovecot-imapd # disable system auth : > /etc/dovecot/conf.d/auth-system.conf.ext # create /var/vmail install -d -o nobody -g nogroup -m 700 /var/vmail # create userdb echo 'test:testpassword:::Test User::/bin/bash:' > /etc/dovecot/userdb # create /etc/dovecot/local.conf # not described here, the resulting doveconf -n is attached! service dovecot restart When I check the flags of the mail of user test now, the "$label1" is disapeared on both machines, even after "doveadm replicator replicate -f test": doveadm -f flow fetch -u test 'guid flags' ALL guid=d1516a2b5c08fc5b541d00005a350039 flags=\Recent Any hints what I am doing wrong here or is this really a bug? Best, -- Patrick Cernko <pcernko(a)mpi-klsb.mpg.de> +49 681 9325 5815 Joint Administration: Information Services and Technology Max-Planck-Institute fuer Informatik & Softwaresysteme

1 2

Am I right to assume certificate renewal with the same filename requires a dovecot reload/restart
by Guido Goluke, MajorLabel 14 Mar '19

14 Mar '19

Running dovecot 2.2, apologies if this question has been asked before: I've done the research but couldn't find anything. I run a server that uses dovecot as a MUA for Postfix and have a Let's Encrypt certificate that auto-renews through certbot on Ubuntu server 16.04. Dovecot did not pick up on the new certificate for the hostname. It did after a restart. To be clear: Let's Encrypt overwrites the previous certificate using the same path and filename. Am I right to assume that Dovecot needs a reload/restart after the certificate has been renewed in order to 'pick up' on the new certificate and if so, would I require a reload or a restart? Thank you in advance -- MajorLabel

4 8

Unable to set quota-fs plugin
by Eric Grammatico 14 Mar '19

14 Mar '19

Hello There, I am try desperatly to setup quota-fs plugin in Dovecot. I have the following configuration in place: /etc/dovecot/conf.d/10-mail.conf:mail_plugins = $mail_plugins quota zlib /etc/dovecot/conf.d/20-imap.conf: mail_plugins = $mail_plugins imap_quota /etc/dovecot/conf.d/90-quota.conf: plugin { #quota = dirsize:User quota #quota = maildir:User quota #quota = dict:User quota::proxy::quota #quota = fs:User quota:user quota = fs:user } The logs report the following error each time quota is requested: Mar 11 17:56:20 mail.xxxxxxx.xx dovecot[4923]: imap(xxxx): Error: Failed to get quota resource STORAGE: quota-fs: quotactl(Q_GETQUOTA, /dev/vda1) failed: No such file or directory I have no idea of which file or directory is missing. Any advice is welcome. Thanks and best regards, - Eric Grammatico _/)

3 11

rsync /old/server new/server ?
by Voytek Eymont 14 Mar '19

14 Mar '19

I have Centos 7 with dovecot/postfix/mysql Maildir I want to bring in a new server, new server will have same hostname as current, but, different IP I was intending to rsync -avzhe ssh vmail@oldserver:/var/vmail/vmail1 /var/vmail/vmail1 and, then, re run as necessary when/if mail still arrives on old server is that "a good plan" ...? TIA, V

4 3

recipient bcc and dovecot
by ＠lbutlr 13 Mar '19

13 Mar '19

I have a recipient_bcc_maps which contains a bcc map that is updated everyday: rbcc.pcre: if !/backup.*@/ /^([^+_]*).*(a)([^.]*)/ backup+071.${1}-${2}(a)adomain.tld endif the 071 portion is changed each day to the current day of the year. Everything works, but I get an error from dovecot on every message: lda(backup(a)adomain.tld): Error: User initialization failed: Namespace '': Ambiguous mail location setting, don't know what to do with it: /usr/local/virtual/backup(a)adomain.tld (try prefixing it with mbox: or maildir:) The mail is delivered two the right directory anyway, but after a temporary failure. I'd like to eliminate the error. the backup user is not a 'real' user (it is not in the lookup map) so should I bypass dovecot entirely in delivering these messages? (and if so, how) If not, where/how would I add the prefix maildir: Is there something I can add to dovecot to specifically deal with messages coming in to backup(a)adomain.tld and add the maildir: specification there? (Still on dovecot 2.2.35) -- And sometimes there's a short cut. A door or a gate. Some standing stones. A tree cleft by lightning, a filing cabinet. Maybe just a spot on some moorland somewhere... A place where THERE is very nearly HERE... If some people knew where such a spot was, if they had experience of what happens when here and there become entangled, then they might - if they knew how - mark such a spot with certain stones. In the hope that enough daft buggers would take it as a warning and keep away. (Lords and Ladies)

2 3

sieve vacation to an alias group
by Monis Monther 13 Mar '19

13 Mar '19

Hi, We have an alias group named xyz(a)example.com, this alias group has 3 actual users a(a)example.com, b(a)example.com and c(a)example.com We set vacation rule on the generic sieve rule, the problem is that 3 responses are sent to the original sender. (obviously because the rule is being executed with each user in the alias group) Is it possible to set auto response only once, we tried the ( :days 1) option but still all 3 respond back. How can such a setup be achieved. (Single auto response to an alias group) CentOS 7.5 dovecot-pigeonhole-2.3.4.1-1.x86_64 dovecot-2.3.4.1-1.x86_64 postfix 2.10-1 -- Best Regards Monis

4 14

Delayed flags changes over IDLE
by Kostya Vasilyev 13 Mar '19

13 Mar '19

Hello, I'm experiencing slow flags changes over IMAP IDLE: - If I start an IDLE session / command - Change the flags of some messages via another email app - Dovecot can take a minute or more to notify the IDLE connection about flags changes If I use another email app to add or remove a message, Dovecot sends that (EXISTS / EXPUNGE) instantly and also flushes the (so far delayed) flags changes. So it does "know" already. The system is Debian Testing, 64 bit, file system is ext4. Dovecot is 2.3.4.1 (f79e8e7e4) - I believe from Debian repos (I had Dovecot's own repo added at some point, disabled now). My mail is stored under ~/mail/.imap (not sure what this format is called), I mean not "single file mbox". I have not changed any IDLE related config settings: doveconf | grep -i idle default_idle_kill = 1 mins director_ping_idle_timeout = 30 secs imap_idle_notify_interval = 2 mins imapc_max_idle_time = 29 mins mailbox_idle_check_interval = 30 secs What can I do to make Dovecot notify IDLE clients about flags changes - more quickly? Preferably near-instant? -- Kostya Vasilyev kman(a)fastmail.com

3 9

“doveadm mailbox” command fails with UTF-8 mailboxes
by Felipe Gasper 13 Mar '19

13 Mar '19

Hello, I’ve got a strange misconfiguration where the following command: doveadm -f pager mailbox status -u spamutf8 'messages vsize guid' INBOX 'INBOX.*' … fails with error code 68, saying that it can’t find one of the mailboxes. (It lists the user’s other mailboxes.) The name of the mailbox in question is saved to disk in UTF-8 rather than mUTF-7, but strace shows that doveadm is stat()ing the mUTF-7 path; the failure of that stat() is, assumedly, what causes doveadm to report the error status. I’ve tried to paw through the source code to see what might be causing this but haven’t made much headway. Can someone here point out where the misconfiguration might be that is causing doveadm to stat() the mUTF-7 path rather than UTF-8? Or perhaps offer any tips as to how I might diagnose what’s going on? What causes doveadm to stat() one path or the other? Thank you! -Felipe Gasper Mississauga, ON

5 9

Inbox quota usage doubled when mailbox_list_index enabled, under some circumstances
by Chris Dillon 13 Mar '19

13 Mar '19

Hello, I searched through the list archives for anything that appeared to be similar to this but I didn't find any good matches. I apologize if this has been brought up before. Beginning with Dovecot 2.2.34, reported quota usage of a user's inbox can be doubled when the following criteria are met: 1) quota plugin is enabled 2) mailbox_list_index=yes 3) A sub-folder of the inbox exists whose name also matches the prefix (for example, "INBOX.Test"), even if that folder has no contents. (Apparently, some mail clients such as K-9 Mail on Android can create these folders automatically) Downgrading to 2.2.33.2 allows this configuration to work normally. I looked through the changes in git between 2.2.33.2 and 2.2.34 and they appeared extensive, so unfortunately I wasn't able to pinpoint a specific change that caused this. Reproduced on a CentOS 7 server with Dovecot 2.2.34 built from git sources according to https://wiki2.dovecot.org/CompilingSource#Compiling_Dovecot_From_Git using the following minimal configuration: ========== root@centos7 [~]# dovecot -n # 2.2.34 (874deae): /usr/local/etc/dovecot/dovecot.conf # OS: Linux 3.10.0-862.9.1.el7.x86_64 x86_64 CentOS Linux release 7.5.1804 (Core) # Hostname: centos7.local mail_location = maildir:~/Maildir mail_plugins = quota mailbox_list_index = yes namespace inbox { inbox = yes location = prefix = INBOX. separator = . } passdb { driver = pam } plugin { quota = maildir:Mailbox } userdb { driver = passwd } ========== With the system user "myuser" and a minimal Maildir setup containing 1 email in the inbox, and one sub-folder named "INBOX.Test": ========== root@centos7 [~]# ls -lAR /home/myuser/Maildir /home/myuser/Maildir: total 4 drwxr-xr-x. 2 myuser myuser 77 Jul 25 09:36 cur drwxr-xr-x. 5 myuser myuser 56 Jul 25 15:19 .INBOX.Test -rw-r--r--. 1 myuser myuser 14 Jul 25 15:19 maildirsize drwxr-xr-x. 2 myuser myuser 6 Jul 25 09:36 new drwxr-xr-x. 2 myuser myuser 6 Jul 25 09:36 tmp /home/myuser/Maildir/cur: total 12416 -rw-r--r--. 1 myuser myuser 12712627 Jul 25 09:07 1532529376.M543965P58007.centos7.local,S=12712627,W=12877782:2,S /home/myuser/Maildir/.INBOX.Test: total 0 drwxr-xr-x. 2 myuser myuser 6 Jul 25 09:36 cur -rw-r--r--. 1 myuser myuser 0 Jul 25 09:36 maildirfolder drwxr-xr-x. 2 myuser myuser 6 Jul 25 09:36 new drwxr-xr-x. 2 myuser myuser 6 Jul 25 09:36 tmp /home/myuser/Maildir/.INBOX.Test/cur: total 0 /home/myuser/Maildir/.INBOX.Test/new: total 0 /home/myuser/Maildir/.INBOX.Test/tmp: total 0 /home/myuser/Maildir/new: total 0 /home/myuser/Maildir/tmp: total 0 ========== Given this configuration, when "mailbox_list_index" is enabled, after quota recalculation, quota reports that there are 2 messages and that double the amount of storage is used: ========== root@centos7 [~]# doveadm quota recalc -u myuser; doveadm quota get -u myuser Quota name Type Value Limit % Mailbox STORAGE 24830 - 0 Mailbox MESSAGE 2 - 0 ========== When "mailbox_list_index" is disabled and quota is recalculated, it will report the message and storage counts correctly: ========== root@centos7 [~]# doveadm -o 'mailbox_list_index=no' quota recalc -u myuser; doveadm quota get -u myuser Quota name Type Value Limit % Mailbox STORAGE 12415 - 0 Mailbox MESSAGE 1 - 0 ========== I am hoping that someone with much more familiarity with the code path involved here could take a look at this issue and possibly submit a fix for it -- that would be greatly appreciated. Please let me know if you need any more details regarding the replication steps, though I hope that I didn't miss anything. Thank you! -- Chris Dillon Technical Analyst III Migrations Specialist cPanel, Inc.

2 3

Dovecot 2.3.4 crash
by azurit＠pobox.sk 13 Mar '19

13 Mar '19

Hi, is this a know problem? Newest Dovecot 2.3.4 package from repo.dovecot.org , Debian Stretch (fully upgraded). Nov 29 14:25:11 server00 dovecot: lmtp(16854): Panic: file ostream-dot.c: line 208 (o_stream_dot_sendv): assertion failed: ((size_t)ret == sent + added) Nov 29 14:25:11 server00 dovecot: lmtp(16854): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xd25e1) [0x7fa5f7b655e1] -> /usr/lib/dovecot/libdovecot.so.0(+0xd2681) [0x7 fa5f7b65681] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fa5f7acd093] -> /usr/lib/dovecot/libdovecot.so.0(+0xbb97b) [0x7fa5f7b4e97b] -> /usr/lib/dovecot/libdovecot.so.0(+0x fa4ae) [0x7fa5f7b8d4ae] -> /usr/lib/dovecot/libdovecot.so.0(o_stream_sendv+0x2e) [0x7fa5f7b8da3e] -> /usr/lib/dovecot/libdovecot.so.0(io_stream_copy+0x52) [0x7fa5f7b8e512] -> /usr /lib/dovecot/libdovecot.so.0(o_stream_send_istream+0x58) [0x7fa5f7b8e008] -> /usr/lib/dovecot/libdovecot.so.0(smtp_client_command_send_more+0x1b1) [0x7fa5f7ad7351] -> /usr/lib/dov ecot/libdovecot.so.0(+0x4a096) [0x7fa5f7add096] -> /usr/lib/dovecot/libdovecot.so.0(+0xfd0c3) [0x7fa5f7b900c3] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x75) [0x7fa5f7b 7e5d5] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x109) [0x7fa5f7b7ffd9] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x56) [0x7fa5f7b7e6e6] -> / usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7fa5f7b7e8f8] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7fa5f7af2d43] -> dovecot/lmtp [local DATA](main+ 0x240) [0x565287c30f70] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7fa5f77142e1] -> dovecot/lmtp [local DATA](_start+0x2a) [0x565287c310ca] Nov 29 14:25:11 server00 dovecot: lmtp(16854): Fatal: master: service(lmtp): child 16854 killed with signal 6 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) azur

3 5

Crash in director for secure lmtp proxy connections
by Marcus Fenner 13 Mar '19

13 Mar '19

Hi, After updating some of our director servers from 2.2.36 to 2.3.3 (dcead646b) we experience crashes in about 1/5000 mails in lmtp delivery: Nov 13 12:23:36 Fatal: lmtp(113620): master: service(lmtp): child 113620 killed with signal 6 (core dumped) Nov 13 12:23:36 Panic: lmtp(113623): file ostream-dot.c: line 208 (o_stream_dot_sendv): assertion failed: ((size_t)ret == sent + added) Nov 13 12:23:36 Error: lmtp(113623): Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xe34fb) [0x7f31d89134fb] -> /usr/lib64/dovecot/libdovecot.so.0(+0xe3597) [0x7f31d8913597] -> /usr/lib64/dovecot/libdovecot.so.0(+0x51207) [0x7f31d8881207] -> /usr/lib64/dovecot/libdovecot.so.0(+0x4eeef) [0x7f31d887eeef] -> /usr/lib64/dovecot/libdovecot.so.0(+0x107cf8) [0x7f31d8937cf8] -> /usr/lib64/dovecot/libdovecot.so.0(o_stream_sendv+0x32) [0x7f31d89382c2] -> /usr/lib64/dovecot/libdovecot.so.0(io_stream_copy+0x5a) [0x7f31d8938b6a] -> /usr/lib64/dovecot/libdovecot.so.0(o_stream_send_istream+0x53) [0x7f31d8938873] -> /usr/lib64/dovecot/libdovecot.so.0(smtp_client_command_send_more+0x145) [0x7f31d8890805] -> /usr/lib64/dovecot/libdovecot.so.0(+0x660dd) [0x7f31d88960dd] -> /usr/lib64/dovecot/libssl_iostream_openssl.so(+0xa7e1) [0x7f31d864a7e1] -> /usr/lib64/dovecot/libdovecot.so.0(+0x10a558) [0x7f31d893a558] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x73) [0x7f31d892a203] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x136) [0x7f31d892b8b6] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x50) [0x7f31d892a2b0] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x48) [0x7f31d892a418] -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x17) [0x7f31d88a95a7] -> dovecot/lmtp(main+0x245) [0x555b8b59cea5] -> /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f31d867c413] -> dovecot/lmtp(_start+0x2e) [0x555b8b59cfbe] Nov 13 12:23:36 Fatal: lmtp(113623): master: service(lmtp): child 113623 killed with signal 6 (core dumped) On the backend servers the only message is lmtp(9571): Disconnect from 192.168.1.56: Connection closed (in DATA) This happens for every server with this version every time postfix tries to resend the mail. After removing "starttls=y" from the static passdb entry, the mail is sent successfully. Starting with version 2.3.2 the lmtp proxy uses starttls as well, therefore the error seems to be there. I've not been able to figure out, if this has to do with the content of the mails, because they are from many different sources. Thanks! Marcus

3 2

lmtp 2.3.2.1 segfault with backtrace
by Tom Sommer 13 Mar '19

13 Mar '19

lmtp on Director crash with 2.3.2.1 # gdb /usr/libexec/dovecot/lmtp /var/core/60174 GNU gdb (GDB) Red Hat Enterprise Linux (7.2-92.el6) Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/libexec/dovecot/lmtp...Reading symbols from /usr/lib/debug/usr/libexec/dovecot/lmtp.debug...done. done. [New Thread 60174] Reading symbols from /usr/lib64/dovecot/libdovecot-lda.so.0...Reading symbols from /usr/lib/debug/usr/lib64/dovecot/libdovecot-lda.so.0.0.0.debug...done. done. Loaded symbols for /usr/lib64/dovecot/libdovecot-lda.so.0 Reading symbols from /usr/lib64/dovecot/libdovecot-storage.so.0...Reading symbols from /usr/lib/debug/usr/lib64/dovecot/libdovecot-storage.so.0.0.0.debug...done. done. Loaded symbols for /usr/lib64/dovecot/libdovecot-storage.so.0 Reading symbols from /usr/lib64/dovecot/libdovecot.so.0...Reading symbols from /usr/lib/debug/usr/lib64/dovecot/libdovecot.so.0.0.0.debug...done. done. Loaded symbols for /usr/lib64/dovecot/libdovecot.so.0 Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib64/libc.so.6 Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/librt.so.1 Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/libdl.so.2 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Loaded symbols for /lib64/libpthread.so.0 Reading symbols from /usr/lib64/dovecot/libssl_iostream_openssl.so...Reading symbols from /usr/lib/debug/usr/lib64/dovecot/libssl_iostream_openssl.so.debug...done. done. Loaded symbols for /usr/lib64/dovecot/libssl_iostream_openssl.so Reading symbols from /usr/lib64/libssl.so.10...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libssl.so.10 Reading symbols from /usr/lib64/libcrypto.so.10...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libcrypto.so.10 Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/libgssapi_krb5.so.2 Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols found)...done. Loaded symbols for /lib64/libkrb5.so.3 Reading symbols from /lib64/libcom_err.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/libcom_err.so.2 Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols found)...done. Loaded symbols for /lib64/libk5crypto.so.3 Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libz.so.1 Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols found)...done. Loaded symbols for /lib64/libkrb5support.so.0 Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libkeyutils.so.1 Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/libresolv.so.2 Reading symbols from /lib64/libselinux.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libselinux.so.1 Core was generated by `dovecot/lmtp'. Program terminated with signal 11, Segmentation fault. #0 smtp_client_command_set_replies (cmd=0x0, replies=1) at smtp-client-command.c:401 401 i_assert(cmd->replies_expected == 1 || Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.212.el6.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-65.el6.x86_64 libcom_err-1.41.12-24.el6.x86_64 libselinux-2.0.94-7.el6.x86_64 openssl-1.0.1e-57.el6.x86_64 zlib-1.2.3-29.el6.x86_64 (gdb) bt full #0 smtp_client_command_set_replies (cmd=0x0, replies=1) at smtp-client-command.c:401 __func__ = "smtp_client_command_set_replies" #1 0x00007f5d14f40f3f in smtp_client_transaction_data_cb (reply=0x7ffe5cd19650, trans=0x7f5d176ae2b8) at smtp-client-transaction.c:658 conn = 0x7f5d176ade80 rcpt = 0x7f5d176ae560 i = <value optimized out> count = 1 #2 0x00007f5d14f3e941 in smtp_client_command_fail_reply (_cmd=<value optimized out>, reply=0x7ffe5cd19650) at smtp-client-command.c:299 cmd = 0x7f5d17600d18 tmp_cmd = <value optimized out> conn = 0x7f5d176ade80 state = <value optimized out> callback = 0x7f5d14f40e80 <smtp_client_transaction_data_cb> #3 0x00007f5d14f4113f in smtp_client_transaction_fail_reply (trans=0x7f5d176ae2b8, reply=0x7ffe5cd19650) at smtp-client-transaction.c:365 conn = 0x7f5d176ade80 rcpts = <value optimized out> i = <value optimized out> count = <value optimized out> __func__ = "smtp_client_transaction_fail_reply" #4 0x00007f5d14f41442 in smtp_client_transaction_timeout (trans=0x7f5d176ae2b8) at smtp-client-transaction.c:419 reply = {status = 451, enhanced_code = {x = 4, y = 4, z = 0}, text_lines = 0x7f5d1759c090} #5 0x00007f5d14fdbe7b in io_loop_handle_timeouts_real (ioloop=0x7f5d175a4c80) at ioloop.c:641 timeout = 0x7f5d176299d0 tv = {tv_sec = 0, tv_usec = 0} tv_call = {tv_sec = 1534202969, tv_usec = 770866} t_id = 3 item = 0x7f5d176299d0 #6 io_loop_handle_timeouts (ioloop=0x7f5d175a4c80) at ioloop.c:655 _data_stack_cur_id = 2 #7 0x00007f5d14fdd667 in io_loop_handler_run_internal (ioloop=0x7f5d175a4c80) at ioloop-epoll.c:195 ctx = 0x7f5d175af300 events = <value optimized out> event = <value optimized out> list = <value optimized out> io = <value optimized out> tv = {tv_sec = 34, tv_usec = 105308} events_count = <value optimized out> msecs = <value optimized out> ret = 0 i = <value optimized out> call = <value optimized out> __func__ = "io_loop_handler_run_internal" #8 0x00007f5d14fdb7c5 in io_loop_handler_run (ioloop=0x7f5d175a4c80) at ioloop.c:726 __func__ = "io_loop_handler_run" #9 0x00007f5d14fdb9e8 in io_loop_run (ioloop=0x7f5d175a4c80) at ioloop.c:699 __func__ = "io_loop_run" #10 0x00007f5d14f58963 in master_service_run (service=0x7f5d175a4b10, callback=<value optimized out>) at master-service.c:767 No locals. #11 0x00007f5d159eb584 in main (argc=1, argv=0x7f5d175a48a0) at main.c:158 set_roots = {0x7f5d15262e20, 0x7f5d157c2040, 0x7f5d15bf1540, 0x0} service_flags = <value optimized out> storage_service_flags = <value optimized out> tmp_base_dir = 0x7f5d1759c040 "erver not answering (transaction timed out while waiting for reply to DATA)" c = <value optimized out> error = <value optimized out> -- Tom

3 3

2.3.3: Panic: file ostream-zlib.c: line 37 (o_stream_zlib_close): assertion failed
by Tom Sommer 13 Mar '19

13 Mar '19

I see this in my logs after 2.3.3: using zlib plugin, ofc. Oct 02 10:01:39 imap(user(a)example.com)<50643></2k4Sjp3vMqC496W>: Panic: file ostream-zlib.c: line 37 (o_stream_zlib_close): assertion failed: (zstream->ostream.finished || zstream->ostream.ostream.stream_errno != 0 || zstream->ostream.error_handling_disabled) Oct 02 10:01:39 imap(user(a)example.com)<50643></2k4Sjp3vMqC496W>: Error: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xce56a) [0x7f442487556a] -> /usr/lib64/dovecot/libdovecot.so.0(+0xce5b1) [0x7f44248755b1] -> /usr/lib64/dovecot/libdovecot.so.0(+0x3d941) [0x7f44247e4941] -> /usr/lib64/dovecot/lib20_zlib_plugin.so(+0x5cdf) [0x7f44233c4cdf] -> /usr/lib64/dovecot/libdovecot.so.0(+0xf4b46) [0x7f442489bb46] -> /usr/lib64/dovecot/libdovecot.so.0(o_stream_destroy+0x13) [0x7f442489be83] -> /usr/lib64/dovecot/libdovecot-storage.so.0(maildir_save_finish+0x173) [0x7f4424b93973] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mailbox_save_cancel+0x36) [0x7f4424b68696] -> dovecot/imap [user(a)example.com X.X.X.X APPEND](+0xede9) [0x55a9d7e86de9] -> dovecot/imap [user(a)example.com X.X.X.X APPEND](command_exec+0x65) [0x55a9d7e956e5] -> dovecot/imap [user(a)example.com X.X.X.X APPEND](+0xf9e6) [0x55a9d7e879e6] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x55) [0x7f442488c275] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0xbf) [0x7f442488e13f] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x55) [0x7f442488c365] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f442488c588] -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f4424808053] -> dovecot/imap [user(a)example.com X.X.X.X APPEND](main+0x32d) [0x55a9d7ea20dd] -> /lib64/libc.so.6(__libc_start_main+0x100) [0x7f4424431d20] -> dovecot/imap [user(a)example.com X.X.X.X APPEND](+0xe419) [0x55a9d7e86419] No clue how to reproduce -- Tom

3 2

submission-login: Fatal: master: service(submission-login):
by Marcelo Coelho 13 Mar '19

13 Mar '19

Hi everyone! I’m using dovecot 2.3.5. submission-login is crashing many times in a day: Here is a sample error message: dovecot: submission-login: Fatal: master: service(submission-login): child 34247 killed with signal 11 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set service submission-login { drop_priv_before_exec=yes }) After I added drop_priv_before_exec, I got these error messages: submission-login: Error: master-service: cannot get filters: net_connect_unix(/var/run/dovecot/config) failed: Permission denied dovecot: master: Error: service(submission-login): command startup failed, throttling for 2 secs How to get submission core dumps properly? Thank you. — Marcelo Coelho

3 2

imap-hibernate not working
by Marcelo Coelho 13 Mar '19

13 Mar '19

Hi, I follow different setup instructions and I can't make imap-hibernate work. I've tried vmail and dovecot as users, tried to set mode to 0666, without success. I'm using FreeBSD 11.2. Is imap-hibernate compatible with FreeBSD 11.2? My operational system: # uname -v FreeBSD 11.2-RELEASE-p9 #0: Tue Feb 5 15:30:36 UTC 2019 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC Here are my logs: Mar 8 15:30:57 servername dovecot: imap(user@domain.com:52.125.128.90): Error: kevent(-1) for notify remove failed: Bad file descriptor Mar 8 15:30:57 servername dovecot: imap(user@domain.com:52.125.128.90): Error: close(-1) for notify remove failed: Bad file descriptor Mar 8 15:30:57 servername dovecot: imap-hibernate: Error: Failed to parse client input: Invalid peer_dev_minor value: 18446744073709486335 Mar 8 15:30:57 servername dovecot: imap(user@domain.com:52.125.128.90): Error: /opt/dovecot/2.3.5/var/run/dovecot/imap-hibernate returned failure: Failed to parse client input: Invalid peer_dev_minor value: 18446744073709486335 Mar 8 15:30:57 servername dovecot: imap: Error: Here are my processes: # ps aux | grep imap dovenull 68264 0.0 0.0 12012 8292 - S 10:15 0:00.06 imap-login: (imap-login) dovenull 68274 0.0 0.0 12012 8272 - S 10:15 0:00.06 imap-login: (imap-login) dovenull 68275 0.0 0.0 12012 8356 - S 10:15 0:00.11 imap-login: (imap-login) dovenull 68276 0.0 0.0 12012 8468 - S 10:15 0:00.16 imap-login: (imap-login) dovenull 68277 0.0 0.0 12012 8328 - S 10:15 0:00.09 imap-login: (imap-login) dovenull 68278 0.0 0.0 12012 8368 - S 10:15 0:00.11 imap-login: (imap-login) dovenull 68279 0.0 0.0 12012 8272 - S 10:15 0:00.05 imap-login: (imap-login) dovenull 68280 0.0 0.0 12012 8288 - S 10:15 0:00.06 imap-login: (imap-login) dovenull 68281 0.0 0.0 12012 8316 - S 10:15 0:00.08 imap-login: (imap-login) dovenull 68282 0.0 0.0 12012 8312 - S 10:15 0:00.10 imap-login: (imap-login) dovenull 68283 0.0 0.0 12012 8356 - S 10:15 0:00.14 imap-login: (imap-login) dovenull 68286 0.0 0.0 12012 8312 - S 10:15 0:00.08 imap-login: (imap-login) dovenull 68287 0.0 0.0 14060 9024 - S 10:15 0:01.31 imap-login: [0 pre-login + 2 TLS proxies] (imap-login) dovenull 68288 0.0 0.0 12012 8392 - S 10:15 0:00.24 imap-login: [11.11.11.11 TLS proxy] (imap-login) dovenull 68289 0.0 0.0 14060 9116 - S 10:15 0:01.75 imap-login: [11.11.11.11 TLS proxy] (imap-login) dovenull 68290 0.0 0.0 14060 9208 - S 10:15 0:01.84 imap-login: [0 pre-login + 4 TLS proxies] (imap-login) nobody 68475 0.0 0.0 14404 6020 - I 10:19 0:00.08 /usr/local/sbin/in.imapproxyd -f /usr/local/etc/imapproxyd.conf vmail 76108 0.0 0.0 21612 17700 - S 14:30 0:00.12 imap: [user(a)domain.com 11.11.11.11 IDLE] (imap) vmail 76332 0.0 0.0 21536 17612 - I 14:41 0:00.16 imap: [user(a)domain.com 11.11.11.11 IDLE] (imap) vmail 77127 0.0 0.0 21516 17396 - S 15:17 0:00.07 imap: [user(a)domain.com 11.11.11.11] (imap) vmail 77170 0.0 0.0 21516 17380 - I 15:19 0:00.06 imap: [user(a)domain.com 11.11.11.11] (imap) vmail 77438 0.0 0.0 21516 17396 - S 15:31 0:00.05 imap: [user(a)domain.com 11.11.11.11] (imap) vmail 77536 0.0 0.0 21548 17400 - S 15:35 0:00.05 imap: [user(a)domain.com 11.11.11.11 IDLE] (imap) vmail 77539 0.0 0.0 21516 17256 - I 15:35 0:00.03 imap: [user(a)domain.com 11.11.11.11] (imap) vmail 77594 0.0 0.0 8892 4760 - S 15:38 0:00.01 imap-hibernate: [0 connections] (imap-hibernate) vmail 77620 0.0 0.0 21516 17256 - I 15:39 0:00.03 imap: [user(a)domain.com 11.11.11.11] (imap) My build options: Install prefix . : /opt/dovecot/2.3.5 File offsets ... : 64bit I/O polling .... : kqueue I/O notifys .... : kqueue SSL ............ : yes (OpenSSL) GSSAPI ......... : no passdbs ........ : static passwd passwd-file pam checkpassword sql CFLAGS ......... : -std=gnu99 -O2 -pipe -fno-strict-aliasing -fstack-protector-strong -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -Wno-duplicate-decl-specifier -Wstrict-aliasing=2 : -shadow -bsdauth -sia -ldap -vpopmail userdbs ........ : static prefetch passwd passwd-file checkpassword sql : -ldap -vpopmail SQL drivers .... : mysql : -pgsql -sqlite -cassandra Full text search : squat lucene : -solr Configure command: ./configure '--prefix=/opt/dovecot/2.3.5' --without-docs '--without-shadow' '--without-docs' '--without-gssapi' '--without-vpopmail' '--without-ldap' --without-shadow --with-ssl=openssl --with-mysql --with-zlib --with-libwrap --with-lucene --with-stemmer --with-textcat --with-icu --without-cdb --without-lua --disable-silent-rules --build=amd64-portbld-freebsd11.2 'CC=cc' 'CFLAGS=-O2 -pipe -fno-strict-aliasing' 'LDFLAGS= -L/usr/local/lib' 'CPPFLAGS=-I/usr/local/include' 'CPP=cpp' 'CXX=c++' 'CXXFLAGS=-O2 -pipe -fno-strict-aliasing' My dovecot version: # dovecot --version 2.3.5 (513208660) My config: service imap-hibernate { chroot = client_limit = 0 drop_priv_before_exec = no executable = imap-hibernate extra_groups = $default_internal_group group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = imap service_count = 0 type = unix_listener imap-hibernate { group = $default_internal_group mode = 0660 user = vmail } user = vmail vsz_limit = 18446744073709551615 B }

4 4

question about %u and %h used in mail_location
by Joe Wong 12 Mar '19

12 Mar '19

Hello, I have defined the following: mail_location = maildir:~:INBOX=~/Maildir:LAYOUT=fs:INDEX=%u %u is retrieve via database in that my username contain ":", in which it create some confusion to dovecot: doveadm index -u user1:site@domain iNBOX doveadm(user1:site@domain): Error: remote(192.168.10.22:24245): Namespace '': Unknown setting: site@domain I cannot change the value in DB so is there a workaround to this problem? TIA. - Joe

2 1

Suggestions for dovecot-submission (XCLIENT NAME attribute)
by Marcelo Coelho 12 Mar '19

12 Mar '19

Hi, Currently, Dovecot Submission doesn't forward NAME attribute when XCLIENT is enable: Received: from server.example.org (localhost [1.2.3.4]) (Authenticated sender: test(a)example.org) by localhost (Postfix) with ESMTPA id AAAAAAAAAA for <user(a)domain.com>; Fri, 8 Mar 2019 12:28:02 Postfix adds a header with the sender IP address (1.2.3.4), but with localhost as hostname. It would be great if Dovecot Submission send NAME attribute, with the resolved hostname of the sender IP (ADDR attribute). Thank you! -- Marcelo Coelho

2 1

Sieve scripts not triggered on IMAP inbound messages using IMAPC
by Fred 12 Mar '19

12 Mar '19

Good morning. I am using Dovecot as an IMAP proxy -- using IMAPC -- and the system is working great. Thank you for contributing such great software to the community! I'm using Dovcot 2.3.5 and Pigeonhole 0.5.5. My server is located behind a content-filtering firewall that will mark incoming messages by adding "[SPAM]" to the subject line. I'm trying to use Sieve to identify those messages and move them into the Spam folder. I have a basic Sieve script that looks like this: require ["fileinto"]; if anyof (header :contains "Subject" "[SPAM]", header :contains "X-Spam-Flag" "Yes") { fileinto "Spam"; stop; } I can see in the logs that Sieve is loaded, and also the imapsieve_plugin Debug: sieve: Pigeonhole version 0.5.5 (2483b085) initializing Debug: sieve: Sieve imapsieve plugin for Pigeonhole version 0.5.5 (2483b085) loaded Sieve detects outbound messages (from the log: Debug: imapsieve: mailbox INBOX.Sent: APPEND event) but nothing registers for inbound, and my spam_rule is never triggered. Any suggestions? Here is the output from "Dovecot -n": # 2.3.5 (513208660): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.5 (2483b085) # OS: Linux 3.10.0-957.5.1.el7.x86_64 x86_64 CentOS Linux release 7.6.1810 (Core) xfs # Hostname: <redacted> auth_master_user_separator = * auth_mechanisms = PLAIN LOGIN auth_verbose_passwords = plain deliver_log_format = from=%{from}, envelope_sender=%{from_envelope}, subject=%{subject}, msgid=%m, size=%{size}, %$ dict { acl = pgsql:/etc/dovecot/dovecot-share-folder.conf quotadict = pgsql:/etc/dovecot/dovecot-used-quota.conf } first_valid_uid = 2000 imapc_features = fetch-bodystructure fetch-headers imapc_host = <redacted> imapc_port = 993 imapc_ssl = imaps imapc_ssl_verify = no last_valid_uid = 2000 listen = * [::] mail_debug = yes mail_gid = 2000 mail_home = /var/mail/imapc/home/%d/%n mail_location = imapc:/var/mail/imapc/%d/%n mail_plugins = mailbox_alias mail_log notify mail_uid = 2000 managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapsieve vnd.dovecot.imapsieve namespace inbox { inbox = yes list = yes location = prefix = separator = . type = private } passdb { args = host=<redacted> default_fields = userdb_imapc_user=%u userdb_imapc_password=#hidden_use-P_to_show# driver = imap } passdb { args = /etc/dovecot/dovecot-master-users driver = passwd-file master = yes } plugin { imapsieve_default = /var/vmail/sieve/global/spam_rule.sieve mail_log_events = delete undelete expunge mailbox_delete mailbox_rename mail_log_fields = uid box msgid size from subject mailbox_alias_new = Sent Messages mailbox_alias_new2 = Sent Items mailbox_alias_old = Sent mailbox_alias_old2 = Sent sieve_global_dir = /var/vmail/sieve/global/ sieve_max_redirects = 30 sieve_plugins = sieve_imapsieve sieve_trace_debug = yes sieve_trace_dir = /var/log/dovecot sieve_trace_level = matching } protocols = imap sieve service auth { unix_listener /var/spool/postfix/private/dovecot-auth { group = postfix mode = 0666 user = postfix } unix_listener auth-master { group = vmail mode = 0666 user = vmail } unix_listener auth-userdb { group = vmail mode = 0660 user = vmail } } service dict { unix_listener dict { group = vmail mode = 0660 user = vmail } } service imap-login { process_limit = 500 service_count = 1 } service lmtp { executable = lmtp -L inet_listener lmtp { address = 127.0.0.1 port = 24 } process_min_avail = 5 unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } user = vmail } service managesieve-login { inet_listener sieve { address = 127.0.0.1 port = 4190 } } ssl = required ssl_cert = </etc/letsencrypt/live/mgrids.dynu.com/fullchain.pem ssl_cipher_list = ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+ 3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5 ssl_client_ca_file = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes syslog_facility = local5 userdb { driver = prefetch } protocol imap { imap_client_workarounds = tb-extra-mailbox-sep mail_max_userip_connections = 30 mail_plugins = mailbox_alias mail_log notify imap_sieve } protocol sieve { info_log_path = /var/log/dovecot/sieve-info.log log_path = /var/log/dovecot/sieve-err.log managesieve_implementation_string = Dovecot Pigeonhole managesieve_max_line_length = 65536 }

2 2

dovecot Connection closed IDLE running
by Adrian Minta 11 Mar '19

11 Mar '19

Hello, sometimes I get lines like this on mail log. Mar 11 07:57:14 mail2 dovecot: imap(john.one(a)domain.ro): Connection closed (IDLE running for 0.006 + waiting input for 1765.640 secs, 0.001 in locks, 2 B in + 10+0 B out, state=wait-input) in=323201 out=3177999 Mar 11 07:58:56 mail3 dovecot: imap(john.two(a)domain.ro): Connection closed (IDLE running for 0.005 + waiting input for 3535.348 secs, 0.001 in locks, 2 B in + 10+0 B out, state=wait-input) in=1627 out=14872 Mar 11 08:38:50 mail2 dovecot: imap(sam(a)domain.ro): Connection closed (IDLE running for 2.225 + waiting input for 267.413 secs, 0.005 in locks, 2 B in + 10+0 B out, state=wait-input) in=7212 out=2503 Mar 11 09:01:23 mail2 dovecot: imap(john.one(a)domain.ro): Connection closed (FETCH running for 8.784 + waiting input for 0.001 secs, 0.008 in locks, 24 B in + 6291+6291 B out, state=wait-input) in=196 out=43968 Mar 11 09:02:57 mail1 dovecot: imap(bush(a)domain.ro): Connection closed (IDLE running for 0.006 + waiting input for 1031.530 secs, 0.001 in locks, 2 B in + 10+0 B out, state=wait-input) in=9157 out=381003 Mar 11 09:33:31 mail2 dovecot: imap(john.one(a)domain.ro): Connection closed (IDLE running for 0.008 + waiting input for 1737.458 secs, 0.001 in locks, 2 B in + 41+0 B out, state=wait-input) in=7871 out=322122 Our dovecot version is 2.2.27 and the mail storage is maildir. What is the cause ? Could this negatively affects the users ? -- Best regards, Adrian Minta

1 0

Assistance with doveadm backup...
by SH Development 11 Mar '19

11 Mar '19

I am having trouble locating examples of how to use doveadm backup. All the examples I see are for sync. I simply want to create a backup to a network volume of the email server's vmail folders. The goal here is to have a reasonably current backup should the main drive on the email server go south. We currently authenticate our users from a mysql database. User’s mailboxes are stored as domainname/username/Maildir I assume what I will wind up on the network volume is a duplicate directory structure as the vmail folder on the email server? Can someone help get me started here? Jeff

7 13

readonly archive folders using squashfs
by Natu 11 Mar '19

11 Mar '19

I have a dovecot server running under CentOS using maildir format. Due to the issue with minimum blocksize for files I would like to offer some kind of readonly archive using something like the compressed squashfs where I would move messages to be archived to a maildir folder and then convert "cur" directory into a squashfs and mount it in place of the original directory so my biggest users could have readonly access to older messages without it using so much disk space. Has anyone tried anything like this before and is dovecot likely to complain about the readonly cur directory? If the complaints are minimal and didn't cause other problems it might be ok. Any better ideas to implement something like this? Thank You, Natu

2 2

Re: Auto MX Email Client configuration, the right way?
by Davide Marchi 10 Mar '19

10 Mar '19

> Now I've seen the new RFC 6186 specification > (https://tools.ietf.org/html/rfc6186) that describe a "DNS way" to > achieve the same goal. > > [..] > again: > [..] > When a user identifier is required, MUAs MUST first > use the full email address provided by the user, and if that > results > in an authentication failure, SHOULD fall back to using the "local- > part" extracted from the email address. This is in line with the > guidance outlined in Section 5. If both these user identifiers > result in authentication failure, the MUA SHOULD prompt the user > for > a valid identifier. > [..] > > here I have the biggest doubt, in fact Thunderbird often uses only the > username and not the whole email address, both for incoming and > outgoing > server... > Is any of you using this second way? And possibly, do you kniw if it > works with different clients (desktop and mobile)? I've made some tests and this solution seems very serviceable, for the only exception for the user name on Thunderbird. Unlike what is stated in this RFC, Thunderbird "takes" only the name and not the entire email address as the username. Anyone knows if is it possible to communicate the username type via RFC? Many thanks again! Davide

2 1

GSSAPI and usernames, not Kerberos ticket names
by Dmitry Donskih 09 Mar '19

09 Mar '19

Hi all, I've got a Dovecot v2.3.3 IMAP with GSSAPI auth set up. This server is in main domain, 'contoso.com'. I also have several subdomains. My problem is usernames with GSSAPI authentication: When I try to login as 'user' or as 'user(a)CONTOSO.COM' - everything works. But, 'user(a)contoso.com' auth fails. But when I try to login as subdomain user, 'user2' - it fails to login. 'user2(a)sub.contoso.com' fails also. However, 'user2(a)SUB.CONTOSO.COM' works ok. It looks like PAM uses domain part of login as Kerberos realm name, regardless of Kerberos domain-realm mapping. Also, if domain part is not specified, PAM (Kerberos?) fails to determine non-default realm. What am I missing? Is there a way to use traditional 'user@domain' login names with PAM/GSSAPI, instead of Kerberos ticket names? Or maybe to tell PAM module to convert domain part of username to uppercase before using? Thanks on any help or advice. ===== dovecot.conf: ===== auth_mechanisms = gssapi plain login external auth_gssapi_hostname = "$ALL" auth_krb5_keytab = /etc/krb5.keytab auth_default_realm = passdb { driver = pam args = cache_key=%d%r%n failure_show_msg=yes dovecot } userdb { driver = static args = uid=502 gid=502 home=/var/vmail/%L{auth_domain}/%L{auth_username} mail=maildir:/var/vmail/%L{auth_domain}/%L{auth_username}/Maildir allow_all_users=yes } ===== ===== pam.d/dovecot: ===== auth sufficient pam_krb5.so use_first_pass account [default=bad success=ok user_unknown=ignore] pam_krb5.so password sufficient pam_krb5.so use_authtok session optional pam_krb5.so ===== ===== krb5.conf: ===== [libdefaults] default_realm = CONTOSO.COM dns_lookup_realm = true dns_lookup_kdc = true [realms] CONTOSO.COM = { kdc = dc.contoso.com:88 admin_server = dc.contoso.com:749 } [domain_realm] contoso.com = CONTOSO.COM .contoso.com = CONTOSO.COM sub.contoso.com = CONTOSO.COM .sub.contoso.com = CONTOSO.COM SUB.CONTOSO.COM = CONTOSO.COM .SUB.CONTOSO.COM = CONTOSO.COM [appdefaults] pam = { ticket_lifetime = 36000 renew_lifetime = 36000 forwardable = true krb4_convert = false } ===== klist server ==== Default principal: imap/mail2.contoso.com(a)CONTOSO.COM ===== klist client ==== Default principal: user2(a)SUB.CONTOSO.COM ===== Logging in with user2(a)SUB.CONTOSO.COM - OK: ===== auth: Debug: client in: AUTH 1 GSSAPI service=imap secured=tls session=.... auth: Debug: gssapi(?,192.168.....,<MR1yvq6DftfAqAoP>): Using all keytab entries auth: Debug: client passdb out: CONT 1 auth: Debug: client in: CONT<hidden> auth: Debug: gssapi(user2(a)sub.contoso.com,192.168....,<MR1yvq6DftfAqAoP>): security context state completed. auth: Debug: client passdb out: CONT 1 YIGVB.... auth: Debug: client in: CONT<hidden> auth: Debug: gssapi(user2(a)sub.contoso.com,192.168.....,<MR1yvq6DftfAqAoP>): Negotiated security layer auth: Debug: client passdb out: CONT 1 BQQF/..... auth: Debug: client in: CONT<hidden> auth: Debug: pam(user2(a)sub.contoso.com,192.168.....,<MR1yvq6DftfAqAoP>): passdb doesn't support credential lookups auth: Debug: gssapi(user2(a)sub.contoso.com,192.168.....,<MR1yvq6DftfAqAoP>): skipping passdb: mechanism filtered auth: Debug: client passdb out: OK 1 user=user2(a)sub.contoso.com original_user=user2(a)SUB.CONTOSO.COM ===== Logging in with user2(a)sub.contoso.com - FAIL: ===== auth: Debug: client in: AUTH 1 GSSAPI service=imap secured=tls session=... auth: Debug: gssapi(?,192.168....,<Hgh4zq6DhNfAqAoP>): Using all keytab entries auth: Debug: client passdb out: CONT 1 auth: Debug: client in: CONT<hidden> auth: Debug: gssapi(user2(a)sub.contoso.com,192.168....,<Hgh4zq6DhNfAqAoP>): security context state completed. auth: Debug: client passdb out: CONT 1 YIGVB..... auth: Debug: client in: CONT<hidden> auth: Debug: gssapi(user2(a)sub.contoso.com,192.168....,<Hgh4zq6DhNfAqAoP>): Negotiated security layer auth: Debug: client passdb out: CONT 1 BQQF/..... auth: Debug: client in: CONT<hidden> auth: Debug: pam(user2(a)sub.contoso.com,192.168.....,<Hgh4zq6DhNfAqAoP>): passdb doesn't support credential lookups auth: Debug: gssapi(user2(a)sub.contoso.com,192.168.....,<Hgh4zq6DhNfAqAoP>): skipping passdb: mechanism filtered auth: Debug: client passdb out: FAIL 1 user=user2(a)sub.contoso.com original_user=user2(a)SUB.CONTOSO.COM

1 0

Auto MX Email Client configuration, the right way?
by Davide Marchi 09 Mar '19

09 Mar '19

Hi Friends! An opinion. I would like to facilitate the configuration of one's mail client (desktop or mobile) to my users server. Some time ago I asked the same question and you suggested me to use "Automx". So I started of good will and I looked for the Automx documentation. And here the problems started as I found several inconsistencies, even parameters (in official documentation) that produce Apache errors.. to complicate things, different path between deb packages and official version :-) Now I've seen the new RFC 6186 specification (https://tools.ietf.org/html/rfc6186) that describe a "DNS way" to achieve the same goal. [..] 4. Guidance for MUAs By using SRV records as above, MUAs need initially only to prompt the user for their email address [RFC5322]. The "local-part" and "domain" portions are then extracted from the email address by the MUA. The MUA uses the "domain" portion as the service domain to perform SRV lookups for the services it wants to configure. If the SRV lookup is successful, the target FQDN and port for the service can be determined and used to complete MUA configuration. If an SRV record is not found, the MUA will need to prompt the user to enter the FQDN and port information directly, or use some other heuristic. In the case of multiple SRV records returned for a particular service, the MUA MUST use the priority and weight fields in the record to determine which one to use (as per [RFC2782]). [..] again: [..] When a user identifier is required, MUAs MUST first use the full email address provided by the user, and if that results in an authentication failure, SHOULD fall back to using the "local- part" extracted from the email address. This is in line with the guidance outlined in Section 5. If both these user identifiers result in authentication failure, the MUA SHOULD prompt the user for a valid identifier. [..] here I have the biggest doubt, in fact Thunderbird often uses only the username and not the whole email address, both for incoming and outgoing server... Is any of you using this second way? And possibly, do you kniw if it works with different clients (desktop and mobile)? Many many thanks! Davide

3 2

Dovecot v2.3.5 released
by Aki Tuomi 08 Mar '19

08 Mar '19

Hi! We are happy to release dovecot v2.3.5. Please find sources at https://dovecot.org/releases/2.3/dovecot-2.3.5.tar.gz https://dovecot.org/releases/2.3/dovecot-2.3.5.tar.gz.sig You can find precompiled binaries at https://repo.dovecot.org/ NEWS: + Lua push notification driver: mail keywords and flags are provided in MessageNew and MessageAppend events. + submission: Implement support for plugins. + auth: When auth_policy_log_only=yes, only log what the policy server response would do without actually doing it. + auth: Always log policy server decisions with auth_verbose=yes - v2.3.[34]: doveadm log errors: Output was missing user/session - lda: Debug log lines could have shown slightly corrupted - login proxy: Login processes may have crashed in various ways when login_proxy_max_disconnect_delay was set. - imap: Fix crash with Maildir+zlib if client disconnects during APPEND - lmtp proxy: Fix potential assert-crash - lmtp/submission: Fix crash when SMTP client transaction times out - submission: Split large XCLIENT commands to 512 bytes per command, so Postfix accepts them. - submission: Fix crash when client sends invalid BURL command - submission: relay backend: VRFY command: Avoid forwarding 500 and 502 replies back to client. - lib-http: Fix potential assert-crash when DNS lookup fails - lib-fts: Fix search query generation when one language ignores a token (e.g. via stopwords). --- Aki Tuomi Open-Xchange Oy

3 5

Re: Removing a mailbox from a dovecot cluster
by Francis 08 Mar '19

08 Mar '19

Le mar. 26 févr. 2019 à 22:58, David Myers <david.myers.24j74(a)gmail.com> a écrit : > Hello Francis, > > I wonder if this is due to how a cluster is configured to function > internally. > > Tell us more about the cluster, is it one of those ‘fancy pants’ high > availability, auto backup heart beat things, or is it more a traditional > multi server (master slave style) setup. > > Either way you may need to disconnect the servers from one another and > delete the offending files / directories either via dove or or via the os > (although reading your original email it sounds like you are already > attempting this). > > If you have a fancy cluster this may actually be more difficult than it > sounds and have interesting (unwanted) side effects, also the underlying > database (if you are storing emails that way) may have a method to remove > data > > I assume you are keeping back up copies of all those emails somewhere, > just in case you need them in the future. > > See this wiki article to better understand what I mean by the ‘fancy > pants’ clusters : > https://en.m.wikipedia.org/wiki/High-availability_cluster > They sound very cool, but I suspect are overkill for a mail server, unless > your database is already inside one then it would make sense I guess. > > Hello, I just use the cluster/replication functionality integrated into dovecot, nothing more. There is no database involved. I use LDAP for the authentication. The mails are stored locally on each server and replicated with the replication feature of dovecot. I followed this wiki article: https://wiki.dovecot.org/Replication Thanks! -- Francis

2 8

imap segfault in libc.so with CLucene FTS backend enabled
by Alexander Miroshnichenko 08 Mar '19

08 Mar '19

Steps to reproduce: - Enable CLucene FTS in Dovecot; - Open mailbox with MUA; - Search for message with any text; - IMAP session crash. OS: Gentoo Base System release 2.6 Version: FTS: dev-cpp/clucene-2.3.3.4-r6 IMAP: net-mail/dovecot-2.3.2.1 LIBC: sys-libs/musl-1.1.21 Dovecot FTS config: plugin { fts = lucene fts_lucene = whitespace_chars=@. normalize no_snowball fts_autoindex=yes fts_autoindex_max_recent_msgs=80 fts_index_timeout=90 } dmesg: [260150.192294] imap[18221]: segfault at 6578772cca98 ip 000063e7f1b10397 sp 00007945d5822970 error 6 in libc.so[63e7f1ae8000+a4000] [260150.192316] Code: 0f 84 44 02 00 00 48 39 ca 0f 84 62 02 00 00 48 8b 43 08 48 89 4a 10 48 89 51 18 48 89 c2 48 83 e0 fe 48 83 ca 01 48 89 53 08 <48> 83 0c 03 01 41 8b 07 48 8d 6b 10 85 c0 0f 84 68 ff ff ff 31 c0 bt full: Core was generated by `dovecot/imap'. Program terminated with signal SIGSEGV, Segmentation fault. #0 unbin (i=0, c=0x1908553de10) at src/malloc/malloc.c:195 195 src/malloc/malloc.c: No such file or directory. (gdb) bt full #0 unbin (i=0, c=0x1908553de10) at src/malloc/malloc.c:195 No locals. #1 malloc (n=<optimized out>, n@entry=4) at src/malloc/malloc.c:320 mask = <optimized out> c = 0x1908553de10 i = 0 j = 0 #2 0x000063e7f1b4984f in wcsdup (s=0x63e7ed7d0c58 L"") at src/string/wcsdup.c:7 l = 0 d = <optimized out> #3 0x000063e7eda98308 in lucene::index::Term::Term (this=0x1908553df80) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/index/Term.cpp:26 No locals. #4 0x000063e7edad5f25 in lucene::index::SegmentTermEnum::readTerm(lucene::index::Term*) () at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/index/SegmentTermEnum.cpp:351 start = 1 length = 4 totalLength = 5 field = <optimized out> fieldname = 0x1908553d180 L"\142\157\144\171" #5 0x000063e7edad5f7c in lucene::index::SegmentTermEnum::next (this=0x19085524460) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/index/SegmentTermEnum.cpp:180 tmp = <optimized out> this = 0x19085524460 tmp = <optimized out> tmp = <optimized out> #6 0x000063e7edad5be9 in lucene::index::SegmentTermEnum::scanTo (this=this@entry=0x19085524460, term=term@entry=0x7945d5822dc0) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/index/SegmentTermEnum.cpp:218 No locals. #7 0x000063e7edad959c in lucene::index::TermInfosReader::scanEnum (this=<optimized out>, term=term@entry=0x7945d5822dc0) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/index/TermInfosReader.cpp:422 enumerator = 0x19085524460 #8 0x000063e7edad96a4 in lucene::index::TermInfosReader::get (this=<optimized out>, term=term@entry=0x7945d5822dc0) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/index/TermInfosReader.cpp:246 enumerator = <optimized out> #9 0x000063e7edab9071 in lucene::index::SegmentReader::docFreq (this=0x19085500ae0, t=0x7945d5822dc0) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/index/SegmentReader.cpp:518 ti = <optimized out> #10 0x000063e7edae2620 in lucene::search::Similarity::idf (this=0x19085526e60, term=0x7945d5822dc0, searcher=0x190855007a0) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/Similarity.cpp:184 No locals. #11 0x000063e7edaeda51 in lucene::search::TermWeight::TermWeight(lucene::search::Searcher*, lucene::search::TermQuery*, lucene::index::Term*) () at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/TermQuery.cpp:117 No locals. #12 0x000063e7edaeda99 in lucene::search::TermQuery::_createWeight(lucene::search::Searcher*) () at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/TermQuery.cpp:240 No locals. #13 0x000063e7edafa2dc in lucene::search::BooleanWeight::BooleanWeight(lucene::search::Searcher*, lucene::util::CLVector<lucene::search::BooleanClause*, lucene::util::Deletor::Object<lucene::search::BooleanClause> >*, lucene::search::BooleanQuery*) () at /usr/lib/gcc/x86_64-gentoo-linux-musl/8.2.0/include/g++-v8/bits/stl_vector.h:930 i = 1 i = <optimized out> #14 0x000063e7edafa351 in lucene::search::BooleanQuery::_createWeight(lucene::search::Searcher*) () at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/BooleanQuery.cpp:66 No locals. #15 0x000063e7edaef926 in lucene::search::Query::weight (this=this@entry=0x7945d5822da0, searcher=searcher@entry=0x190855007a0) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/SearchHeader.cpp:121 query = <optimized out> weight = <optimized out> sum = <optimized out> norm = <optimized out> #16 0x000063e7edaf0cd7 in lucene::search::IndexSearcher::_search(lucene::search::Query*, lucene::search::Filter*, int) () at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/IndexSearcher.cpp:222 weight = <optimized out> scorer = <optimized out> bits = <optimized out> hq = <optimized out> totalHits = <optimized out> hitCol = {<lucene::search::HitCollector> = {<lucene::debug::LuceneVoidBase> = {_vptr.LuceneVoidBase = 0x2}, <No data fields>}, minScore = -1.75304399e+30, bits = 0x30, hq = 0xffffffffffffffff, nDocs = 40, totalHits = 0x63e7eda6f2cc <lucene::util::Compare::WChar::operator()(wchar_t const*, wchar_t const*) const+20>} scoreDocsLength = <optimized out> scoreDocs = <optimized out> totalHitsInt = <optimized out> wq = <optimized out> #17 0x000063e7edaf4344 in lucene::search::Hits::getMoreDocs(unsigned long) () at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/Hits.cpp:120 _min = <optimized out> n = <optimized out> topDocs = 0x0 scoreDocs = <optimized out> scoreDocsLength = <optimized out> scoreNorm = <optimized out> ---Type <return> to continue, or q <return> to quit--- #18 0x000063e7edaf443e in lucene::search::Hits::Hits (this=0x1908553a1a0, s=0x190855007a0, q=<optimized out>, f=<optimized out>, _sort=<optimized out>) at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/Hits.cpp:60 No locals. #19 0x000063e7edaef7fc in lucene::search::Searcher::search(lucene::search::Query*, lucene::search::Filter*) () at /var/tmp/portage/dev-cpp/clucene-2.3.3.4-r6/work/clucene-core-2.3.3.4/src/core/CLucene/search/SearchHeader.cpp:188 No locals. #20 0x000063e7edd7edf0 in lucene_index_search(lucene_index*, array__lucene_query&, fts_result*, array__seq_range*) () at lucene-wrapper.cc:1361 hits = <optimized out> last_uid = <optimized out> score = <optimized out> ret = 0 query = {<lucene::search::Query> = {<lucene::util::NamedObject> = {_vptr.NamedObject = 0x63e7edd6e970 <vtable for lucene::search::BooleanQuery+16>}, boost = 1}, clauses = 0x190855007e0, static maxClauseCount = 1024, static allowDocsOutOfOrder = false, disableCoord = false, minNrShouldMatch = 0} mailbox_term = {<lucene::debug::LuceneBase> = {_vptr.LuceneBase = 0x63e7edd68e80 <vtable for lucene::index::Term+16>, __cl_refcount = 2}, cachedHashCode = 0, _field = 0x190854bd7c0 L"\142\157\170", _text = 0x1908553a0a0 L"\142\146\064\141\067\066\061\060\146\062\070\143\063\142\065\143\066\145\060\062\060\060\060\060\065\143\146\143\061\141\061\064", textLenBuf = 32, textLen = 32, internF = true} mailbox_query = {<lucene::search::Query> = {<lucene::util::NamedObject> = {_vptr.NamedObject = 0x63e7edd6d918 <vtable for lucene::search::TermQuery+16>}, boost = 1}, term = 0x7945d5822dc0} #21 0x000063e7edd7ff54 in lucene_index_lookup (index=0x190854ee8e0, args=args@entry=0x1908553b468, flags=flags@entry=(unknown: 0), result=result@entry=0x7945d5823000) at lucene-wrapper.cc:1421 uids_arr = <optimized out> arg = 0x0 def_queries = {arr = {buffer = 0x190854b2438, element_size = 16}, v = 0x190854b2438, v_modifiable = 0x190854b2438} have_definites = true maybe_queries = {arr = {buffer = 0xc, element_size = 18446744073709551612}, v = 0xc, v_modifiable = 0xc} have_maybies = <optimized out> #22 0x000063e7edd7c0d4 in fts_backend_lucene_lookup () at fts-backend-lucene.c:489 _data_stack_cur_id = 5 backend = 0x190854ee780 ret = <optimized out> #23 0x000063e7f09a85dd in fts_backend_lookup (backend=0x190854ee780, box=0x190854fc148, args=args@entry=0x1908553b468, flags=flags@entry=(unknown: 0), result=result@entry=0x7945d5823000) at fts-api.c:353 No locals. #24 0x000063e7f09acd92 in fts_search_lookup_level_single (and_args=<optimized out>, args=0x1908553b468, fctx=0x190854f5520) at fts-search.c:50 flags = (unknown: 0) level = <optimized out> result = {box = 0x0, definite_uids = {arr = {buffer = 0x19085528378, element_size = 8}, v = 0x19085528378, v_modifiable = 0x19085528378}, maybe_uids = {arr = {buffer = 0x190855284b8, element_size = 8}, v = 0x190855284b8, v_modifiable = 0x190855284b8}, scores = {arr = {buffer = 0x190855285f8, element_size = 8}, v = 0x190855285f8, v_modifiable = 0x190855285f8}, scores_sorted = false} flags = <optimized out> level = <optimized out> result = <optimized out> #25 fts_search_lookup_level () at fts-search.c:210 _data_stack_cur_id = 4 ret = <optimized out> #26 0x000063e7f09ad32c in fts_search_lookup_level () at fts-search.c:220 ret = 0 #27 0x000063e7f09ad48e in fts_search_lookup () at fts-search.c:360 last_uid = 622 seq1 = 544 seq2 = 807 __func__ = "fts_search_lookup" #28 0x000063e7f09af460 in fts_mailbox_search_init () at fts-storage.c:250 ft = 0x19085511e60 fbox = <optimized out> flist = <optimized out> ctx = 0x190854f5240 fctx = 0x190854f5520 #29 0x000001905d983992 in imap_search_start () at imap-search.c:586 cmd = 0x190854e9628 __func__ = "imap_search_start" #30 0x000001905d9753e5 in cmd_search (cmd=<optimized out>) at cmd-search.c:48 ctx = 0x190854e9830 sargs = 0x1908553b308 args = 0x19085527620 charset = 0x190854f3860 "utf-8" ret = 1 #31 0x000001905d97cad4 in command_exec () at imap-commands.c:201 hook = 0x1905db9cda0 finished = <optimized out> __func__ = "command_exec" #32 0x000001905d97b262 in client_command_input () at imap-client.c:1152 client = 0x190854e89c8 command = <optimized out> __func__ = "client_command_input" #33 0x000001905d97b305 in client_command_input () at imap-client.c:1215 client = 0x190854e89c8 command = <optimized out> __func__ = "client_command_input" ---Type <return> to continue, or q <return> to quit--- #34 0x000001905d97b6cd in client_handle_next_command (remove_io_r=<synthetic pointer>, client=0x190854e89c8) at imap-client.c:1257 No locals. #35 client_handle_input () at imap-client.c:1271 _data_stack_cur_id = 3 ret = <optimized out> remove_io = false handled_commands = false ret = <optimized out> remove_io = <optimized out> __func__ = "client_handle_input" client = 0x190854e89c8 handled_commands = <optimized out> _data_stack_cur_id = <optimized out> ret = <optimized out> remove_io = <optimized out> __func__ = "client_handle_input" _data_stack_cur_id = <optimized out> #36 0x000001905d97bb9e in client_input () at imap-client.c:1317 cmd = 0x190854cfba0 output = 0x190854e9440 bytes = 80 __func__ = "client_input" #37 0x000063e7f14f8c58 in io_loop_call_io () at ioloop.c:674 ioloop = 0x63e7f1ae7f20 t_id = 2 __func__ = "io_loop_call_io" #38 0x000063e7f14fa116 in io_loop_handler_run_internal () at ioloop-epoll.c:222 ctx = 0x1905db9cfc0 events = <optimized out> event = 0x190854bc360 list = 0x190854bd1a0 io = <optimized out> tv = {tv_sec = 1799, tv_usec = 999332} events_count = <optimized out> msecs = <optimized out> ret = <optimized out> i = 0 j = <optimized out> call = <optimized out> __func__ = "io_loop_handler_run_internal" #39 0x000063e7f14f8cfa in io_loop_handler_run () at ioloop.c:726 __func__ = "io_loop_handler_run" #40 0x000063e7f14f8e68 in io_loop_run () at ioloop.c:699 __func__ = "io_loop_run" #41 0x000063e7f1480dbb in master_service_run (service=0x63e7f1ae7de0, callback=callback@entry=0x1905d987e60 <client_connected>) at master-service.c:767 No locals. #42 0x000001905d96dfc4 in main () at main.c:521 set_roots = {0x1905db9aa20 <smtp_submit_setting_parser_info>, 0x1905db9a740 <imap_setting_parser_info>, 0x0} login_set = {auth_socket_path = 0x190854b2060 "\003", postlogin_socket_path = 0x0, postlogin_timeout_secs = 60, callback = 0x1905d9886b0 <login_client_connected>, failure_callback = 0x1905d987f28 <login_client_failed>, request_auth_token = true} service_flags = <optimized out> storage_service_flags = MAIL_STORAGE_SERVICE_FLAG_NO_NAMESPACES username = 0x0 auth_socket_path = <optimized out> c = <optimized out> error = 0x4cd0 <error: Cannot access memory at address 0x4cd0> #43 0x000063e7f1b0506b in libc_start_main_stage2 (main=0x1905d96dc80 <main>, argc=1, argv=0x7945d5823688) at src/env/__libc_start_main.c:94 envp = 0x7945d5823698 #44 0x000001905d96e168 in _start_c () at imap-client.c:1433 No symbol table info available. #45 0x0000000000000000 in ?? () No symbol table info available. (gdb) -- Alexander Miroshnichenko

1 0

Re: rsync /old/server new/server ?
by Aki Tuomi 08 Mar '19

08 Mar '19

On 8.3.2019 14.07, Voytek Eymont wrote: > On Fri, March 8, 2019 10:45 pm, Aki Tuomi via dovecot wrote: >> On 8.3.2019 13.44, Voytek Eymont via dovecot wrote: >> >>> I have Centos 7 with dovecot/postfix/mysql Maildir >>> >>> >>> I want to bring in a new server, new server will have same hostname as >>> current, but, different IP >>> >>> I was intending to >>> rsync -avzhe ssh vmail@oldserver:/var/vmail/vmail1 /var/vmail/vmail1 >>> >>> and, then, re run as necessary when/if mail still arrives on old server >>> >>> >>> is that "a good plan" ...? >>> >>> TIA, V >>> >>> >> Yeah, it's ok as long as you haven't switched to new server. > Aki, thanks > > I'm not certain I understand your comment properly > > I currently have server 'geko' > > intention was to change A record to assign geko to new IP/server, assign > new hostname to oldserver A record > > I guess I;ll still get some emails delivered to oldserver with new > hostname/old ip for 24 hours or so after aA record change ? > > so, I was going to re run rsync 2 or 3 times over the first 24 hours or so ? > > are you saying NOT to rsync once A record changed ? > > sorry for being slow > > You could configure old server's MTA to deliver mail to new server's MTA instead? After there has been activity on the new server, running rsync from old server can cause problems. Aki

2 1

Re: rsync /old/server new/server ?
by Voytek Eymont 08 Mar '19

08 Mar '19

On Fri, March 8, 2019 10:45 pm, Aki Tuomi via dovecot wrote: > > On 8.3.2019 13.44, Voytek Eymont via dovecot wrote: > >> I have Centos 7 with dovecot/postfix/mysql Maildir >> >> >> I want to bring in a new server, new server will have same hostname as >> current, but, different IP >> >> I was intending to >> rsync -avzhe ssh vmail@oldserver:/var/vmail/vmail1 /var/vmail/vmail1 >> >> and, then, re run as necessary when/if mail still arrives on old server >> >> >> is that "a good plan" ...? >> >> TIA, V >> >> > Yeah, it's ok as long as you haven't switched to new server. Aki, thanks I'm not certain I understand your comment properly I currently have server 'geko' intention was to change A record to assign geko to new IP/server, assign new hostname to oldserver A record I guess I;ll still get some emails delivered to oldserver with new hostname/old ip for 24 hours or so after aA record change ? so, I was going to re run rsync 2 or 3 times over the first 24 hours or so ? are you saying NOT to rsync once A record changed ? sorry for being slow (sorry for sending not to list...)

1 0

how to enable PowerDNS/Weakforced with Fedora and sendmail
by Robert Kudyba 07 Mar '19

07 Mar '19

We have dovecot-1:2.3.3-1.fc29.x86_64 running on Fedora 29. I'd like to test wforce, from https://github.com/PowerDNS/weakforced. I see instructions at the Authentication policy support page, https://wiki2.dovecot.org/Authentication/Policy I see the Required Minimum Configuration: auth_policy_server_url = http://example.com:4001/ auth_policy_hash_nonce = localized_random_string But when I search for these directives, they're not found: grep auth_policy_server_url /etc/dovecot/conf.d/* Are these to be added to the /etc/dovecot/conf.d/10-auth.conf file? Does anyone know if a good tutorial?

2 6

Strange behaviour with BLF-CRYPT and SHA*-CRYPT pasword schemas
by Kristijan Savic - ratiokontakt GmbH 07 Mar '19

07 Mar '19

Greetings, this is less of a bug report or a help request, but we would like to know if someone can explain the following: Environment: Centos 7 with Dovecot 2.3.4-2 default_pass_scheme = BLF-CRYPT password hash in database : BLF-CRYPT login = works default_pass_scheme = SHA512 or SHA256-CRYPT password hash in database : BLF-CRYPT login = also works default_pass_scheme = BLF-CRYPT password hash in database : SHA512-CRYPT login = does not work Can someone explain these discrepancies? -- Kind regards, Kristijan Savic -------------------------------------------------------- ratiokontakt GmbH Biegenhofstr. 13 96103 Hallstadt Telefon: +49 (0) 951 9 35 35 - 0 Telefax: +49 (0) 951 9 35 35 - 902 Internet: www.ratiokontakt.de Geschäftsführer: Dr. Nils Kaufmann, Stefan Kraft Amtsgericht Bamberg - HRB 3757 -------------------------------------------------------- ratiokontakt ist zertifiziert nach DIN ISO/IEC 27001

2 4

Sieve fileinto copies messages instead of moving them
by Michael Goth 07 Mar '19

07 Mar '19

Hi, we're running Doveocot 2.3.4.1 with Pigeonhole, from repo.webflow.org. As far as I understand the RFC for 'fileinto', the following Sieve script should move a message either into the folder "SPAM" or "MaybeSPAM": require ["fileinto"]; # rule:[SPAM] if header :contains "subject" "SPAMSPAM" { fileinto "SPAM"; } # rule:[SPAMSPAM] if header :contains "subject" "SPAM" { fileinto "MaybeSPAM"; } But when I receive a message with subject "SPAMSPAM", the message turns up in "SPAM" and "MaybeSPAM". Is this expected behaviour? Thanks! Michael -- Michael Goth .webflow GmbH Geschäftsführer: Andreas Schrei Wasserburger Straße 4 D - 83352 Altenmarkt a. d. Alz Amtsgericht Traunstein HRB 18537 E-Mail: mg(a)webflow.de Tel: +49 (0) 8621 - 99989 - 26 Fax: +49 (0) 8621 - 99989 - 28 Web: www.webflow.de

3 2

Director 2.3.5: openssl_iostream_handle_error
by Tom Sommer 07 Mar '19

07 Mar '19

Thanks for 2.3.5 - it fixed a lot of stuff :) I see this Panic in my Director logs now, randomly and rarely: Mar 07 11:01:29 pop3-login: Panic: file iostream-openssl.c: line 586 (openssl_iostream_handle_error): assertion failed: (errno != 0) Mar 07 11:01:29 auth: Warning: auth client 13625 disconnected with 19 pending requests: EOF Mar 07 11:01:29 pop3-login: Fatal: master: service(pop3-login): child 13625 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set /proc/sys/fs/suid_dumpable to 2) Hoping the above is enough to debug -- Tom

2 1

director in rings
by Maciej Milaszewski IQ PL 07 Mar '19

07 Mar '19

Hi Maby stupid question :) It possible to have 3 directors (frontend) but without rings ? All directors connect to this same dovecot (backend) - all backad have this same login_trusted_networks -- Maciej Miłaszewski IQ PL Sp. z o.o. Starszy Administrator Systemowy

2 2

doveadm expunge recursive?
by Maria Arrea 07 Mar '19

07 Mar '19

2 1

Probleme with replication and shared mailbox
by Laurent BRAULT (OSILOG) 06 Mar '19

06 Mar '19

Hi Folks ! I finaly resolve my problem ! 😊 First of all I had to modify namespaces : ####################################################### namespace inbox { inbox = yes location = mailbox Archive { auto = subscribe special_use = \Archive } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = INBOX/ separator = / subscriptions = yes type = private } namespace partage { list = children location = maildir:/mnt/mail/vmail/%%d/%%n:INDEXPVT=/mnt/mail/vmail/%d/%n/shared/%%u prefix = shared/%%u/ separator = / subscriptions = yes type = shared } ####################################################### Also change the « replication_dsync_parameters » in aim to syncronize only the Private namespace : ==> replication_dsync_parameters = -d -n inbox -l 30 -U I change the sharing command from « acl set » to « acl add » AND THE MOST IMPORTANT ==> RUN THE COMMAND ON THE 2 SERVER because of active/active réplication… ==> doveadm acl add -u user2(a)exemple.fr INBOX user=user1(a)exemple.fr admin create delete expunge insert lookup post read write write-deleted write-seen Hope this may help if someone is faced to the same problem Best regards Laurent

1 0

“Message cannot be displayed because of the way it is formatted” iOS
by James Brown 06 Mar '19

06 Mar '19

Have updated our mail server and are now running Dovecot 2.3.4. Things are mostly working OK, but occasionally I have users on latest iOS getting this message: “this message cannot be displayed because of the way it is formatted. Ask the sender to send it again using a different format or email program. multipart/alternative” The email seems to open OK on the macOS version of Mail.app. Also getting “Loading...” displayed in body section of the app with content never displayed. Most emails are fine, but just get this strange ones occasionally. Our previous mail server was much older, with older version of Dovecot, etc. This server never used to have these issues. Just wondering if anyone has any ideas or suggestions? Can’t see anything in the logs. Thanks, James.

2 1

getrandom() before forking daemon is blocking init system
by Axel Burri 05 Mar '19

05 Mar '19

Hello When booting from a slow machine, I can observe dovecot blocking the whole boot process. I traced it down to the getrandom() system call in lib/randgen.c, which blocks until the random number generator is initialized (dmesg "random: crng init done"). This can take up to three minutes (!) on my machine, as there is not much entropy available (no hardware RNG, network VPN is also waiting for random). Unfortunately dovecot calls getrandom() before forking a daemon, which as a consequence blocks the whole init process (OpenRC on Gentoo Linux). I believe this behavior has changed in kernel 4.14: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… Quoting getrandom(2): "If the urandom source has not yet been initialized, then getrandom() will block, unless GRND_NONBLOCK is specified in flags." Dovecot: 2.3.4.1 (f79e8e7e4) Linux: 4.19.26-gentoo #2 SMP Thu Feb 28 20:30:23 CET 2019 x86_64 AMD G-T40E Processor AuthenticAMD GNU/Linux Regards, Axel

3 3

Pigeonhole v0.5.5 released
by Aki Tuomi 05 Mar '19

05 Mar '19

Hi! We are happy to release pigeonhole v0.5.5 for dovecot v2.3.5. Please find sources at https://pigeonhole.dovecot.org/releases/2.3/dovecot-2.3-pigeonhole-0.5.5.ta… https://pigeonhole.dovecot.org/releases/2.3/dovecot-2.3-pigeonhole-0.5.5.ta… (Please note that the signing key has been changed for 0.5.5, see https://pigeonhole.dovecot.org/download.html for details.) You can find precompiled binaries at https://repo.dovecot.org/ NEWS: + IMAPSieve: Add new plugin/imapsieve_expunge_discarded setting which causes messages discarded by an IMAPSieve script to be expunged immediately, rather than only being marked as "\Deleted" (which is still the default behavior). - IMAPSieve: Fix panic crash occurring when a COPY command copies messages from a virtual mailbox where the source messages originate from more than a single real mailbox. - imap4flags extension: Fix deleting all keywords. When the action resulted in all keywords being removed, no changes were actually applied. - variables extension: Fix truncation of UTF-8 variable content. The maximum size of Sieve variables was enforced by truncating the variable string content bluntly at the limit, but this does not consider UTF-8 code point boundaries. This resulted in broken UTF-8 strings. This problem also surfaced for variable modifiers, such as the ":encodeurl" modifier provided by the Sieve "enotify" extension. In that case, the resulting URI escaping could also be truncated inappropriately. - IMAPSieve, IMAP FILTER=SIEVE: Fix replacing a modified message. Sieve scripts running in IMAPSIEVE or IMAP FILTER=SIEVE context that modify the message, stored the message a second time, rather than replacing the originally stored unmodified message. - Fix segmentation fault occurring when both the sieve_extprograms plugin (for the Sieve interpreter) and the imap_filter_sieve plugin (for IMAP) are loaded at the same time. A symbol was defined by both plugins, causing a clash when both were loaded. --- Aki Tuomi Open-Xchange Oy

1 0

quota_max_mail_size no tips
by 默认 05 Mar '19

05 Mar '19

When the link dovecot imports the message, after the rejection, there is no prompt in the log. I want to get the prompt log of the import failure, what should I do? > [root@test5 dovecot]# dovecot --version > 2.2.36 (1f10bfa63) > plugin { > quota_max_mail_size = 100M > }

2 1

two lots of dovecot files
by mick crane 04 Mar '19

04 Mar '19

hello is debian buster I have 2 sets of dovecot files, I don't know why. one in /etc/dovecot and one in /usr/share/dovecot they are not links they are actual files. if I rename /etc/dovecot and restart service then I get connection refused when use roundcube. Some time ago my roundcube installation stopped working properly for the web configuration options. Should I have these 2 directories or just want the one ? If want only one it's likely then that I configure wrong file with same name when I thought my ssl certificate has expired. Is OK to delete /etc/dovecot and check configuration in /usr/share/dovecot ? -- Key ID C7D6E24C

2 2

Pigeonhome Sieve: check existence of a folder?
by AvV 03 Mar '19

03 Mar '19

Dear All, Thanks ofr the great job so far. I have crawled the doc & web, and did not find oh to check for the presence of a folder ina a mailbox? I know about "fileinto :create" of course, but the purpose is slightly different: I want to automate the move into a folder based on some rules but *only if* an associated folder is present (which name is based on the rule), otherwise I will do a form of catch-all. Example: - INBOX +- abc +- def - Rule detects "aaa" in someheader field: folder "aaa" not present" -> continue; - Rule detect "def" in some header field: "def exists" -> fileinto "def" ; stop; Any help appreciated. Cheers, A/

2 2

migrating/cloning 2.2 > 2.3?
by Voytek Eymont 03 Mar '19

03 Mar '19

I have 2.2 installation on Centos 7, and, I'm trying to setup a new server, and, 'clone' existing setup: Dovecot/Postfix/Mysql on new Centos 7 installed from RPM 2.3.4.1 (3c0b8769e) I then copied/overwrote from old to new /etc/dovecot/*.conf (but not conf.d files), created self certs in place of old server certs and, started Dovecot is that totally dumb, and, how should I do this, or ? upon starting dovecot and, trying to access mailbox from K9 client I see in the log [1]: what's my best way forward with this ? I also see this in postfix log: Mar 3 03:15:02 geko postfix/pipe[28482]: 302494188091: to=<postmaster(a)sbt.net.au>, orig_to=<root>, relay=dovecot, delay=0.22, delays=0/0.01/0/0.21, dsn=2.0.0, status=sent (delivered via dovecot service (lda(postmaster(a)sbt.net.au,)Error: net_connect_unix(/var/run/dovecot/stats-writer) failed: Permission)) [1] Mar 03 11:29:42 master: Info: Dovecot v2.3.4.1 (3c0b8769e) starting up for pop3, imap, sieve (core dumps disabled) Mar 03 11:30:09 config: Warning: please set ssl_dh=</etc/dovecot/dh.pem Mar 03 11:30:09 config: Warning: You can generate it with: dd if=/var/lib/dovecot/ssl-parameters.dat bs=1 skip=88 | openssl dhparam -inform der > /etc/dovecot/dh.pem Mar 03 11:30:12 auth-worker(32307): Warning: sqlpool(mysql): Query failed, retrying: Unknown column 'mailbox.enableimaptls' in 'where clause' Mar 03 11:30:12 auth-worker(32307): Error: sql(voytek(a)sbt.net.au,110.175.246.167,<jZs3viWDz7xur/an>): User query failed: Unknown column 'mailbox.enableimaptls' in 'where clause' Mar 03 11:30:12 imap: Error: Internal auth failure (auth connected 0 msecs ago, handshake 0 msecs ago, request took 0 msecs, client-pid=32301 client-id=1) Mar 03 11:30:12 imap-login: Info: Internal login failure (pid=32301 id=1): user=<voytek(a)sbt.net.au>, method=PLAIN, rip=110.175.246.167, lip=103.106.168.106, mpid=32310, TLS, session=<jZs3viWDz7xur/an> Mar 03 11:30:12 auth-worker(32307): Warning: sqlpool(mysql): Query failed, retrying: Unknown column 'mailbox.enableimaptls' in 'where clause' Mar 03 11:30:12 auth-worker(32307): Error: sql(voytek(a)sbt.net.au,110.175.246.167,<xBk6viWDzrRur/an>): User query failed: Unknown column 'mailbox.enableimaptls' in 'where clause' Mar 03 11:30:12 imap: Error: Internal auth failure (auth connected 0 msecs ago, handshake 0 msecs ago, request took 0 msecs, client-pid=32304 client-id=1) Mar 03 11:30:12 imap-login: Info: Internal login failure (pid=32304 id=1): user=<voytek(a)sbt.net.au>, method=PLAIN, rip=110.175.246.167, lip=103.106.168.106, mpid=32311, TLS, session=<xBk6viWDzrRur/an> -- Voytek

2 2

Unexpected behavior with sieve_vacation_to_header_ignore_envelope = yes
by Matthias Petermann 03 Mar '19

03 Mar '19

Hello, we face an issue with the vacation extension of pigeonhole. Our upstream mail server (from which we pull our E-Mails with POP3) uses SPF and performs a SRS re-write of the Return Path. Once the mail is processed via our local postfix, it is delivered via dovecot deliver (using the lda). When the recipient has a vacation rule enabled in sieve, the out-of-office note cannot be sent, as pigeonhole tries to use the Return-Path (which is not accepted as sender by the mail server). We are using the following dovecot / pigeonhole versions: dovecot-2.3.2.1 dovecot-pigeonhole-0.5.2 As of my understanding, the problem was addressed in pigeonhole version v0.4.21 by introducing the sieve_vacation_to_header_ignore_envelope setting. Anyway - even when this is set to "yes" pigeonhole still uses the Return-Path instead of the "From:" header which I had expected: Feb 27 13:22:26 mail dovecot: lda(customer)<48383><3o+yOQGBdlz/vAAAZU03Dg>: Error: sieve: msgid=<e081d2ba-21d5-c32b-3750-69fe0c8a76d2(a)petermann-it.de>: failed to send vacation response to SRS0=gwGXg6ad=RC=petermann-it.de=matthias(a)example.com: <Sendmail program returned error> (temporary error) Are my expectations wrong or did I miss some precondition? Best regards, Matthias 1) This is the email which I use to test (I replaced the actual domain with example.com) ------>8------------------------------------------------------------------------------ Return-Path: <SRS0=gwGXg6ad=RC=petermann-it.de=matthias(a)example.com> Delivered-To: customer[[(a)example.com]] To: Customer <customer(a)example.com> From: Matthias Petermann <matthias(a)petermann-it.de> Subject: Test Message-ID: <e081d2ba-21d5-c32b-3750-69fe0c8a76d2(a)petermann-it.de> Date: Wed, 27 Feb 2019 05:21:45 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 Test message ------8<------------------------------------------------------------------------------ 2) The related excerpt of the configuration: ------>8------------------------------------------------------------------------------ mail /usr/local/etc/dovecot/conf.d >doveconf | grep -A 10 -B 10 to_header_ignore_envelope result_failure = continue result_internalfail = continue result_success = return-ok skip = never username_filter = } plugin { acl = vfile acl_shared_dict = file:/var/lib/dovecot/shared-mailboxes sieve = file:/srv/vmail/%u/sieve;active=/srv/vmail/%u/active.sieve sieve_vacation_to_header_ignore_envelope = yes } pop3_client_workarounds = pop3_delete_type = default pop3_deleted_flag = pop3_enable_last = no pop3_fast_size_lookups = no pop3_lock_session = no pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s pop3_no_flag_updates = no pop3_reuse_xuidl = no ------8<------------------------------------------------------------------------------ -- Matthias Petermann <matthias(a)petermann-it.de>

2 2

same account imap and pop3
by James 02 Mar '19

02 Mar '19

I have an imap and pop3 for the same account. When I delete a message from imap and then fetch the mail from the pop3 account, it retrieves the deleted message. I am using thunderbird for the MTA. Does anyone know why it happens? It could be a timing issue.

3 2

dovecot[1511]: auth-worker: Fatal: master: service(auth-worker): child 17009 killed with signal 11
by Patrik 28 Feb '19

28 Feb '19

This bug report is similar to this issue: https://www.dovecot.org/list/dovecot/2017-May/108116.html <https://www.dovecot.org/list/dovecot/2017-May/108116.html> I know it is not enough info, but every kill follows with this info: Feb 28 16:57:50 server dovecot[1511]: auth-worker: Fatal: master: service(auth-worker): child 17009 killed with signal 11 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) Feb 28 16:57:50 server kernel: traps: auth[17009] general protection ip:7fd5d3ae9a64 sp:7fff0a781dc0 error:0 in libmariadb.so.3[7fd5d3add000+26000] It looks like the error is related to the libmariadb.so, of course I am using integration with auth sql. The configuration is like this: # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 () # OS: Linux 4.19.0-2-amd64 x86_64 Debian buster/sid ext4 # Hostname: p3x-dc.example.com auth_mechanisms = plain login mail_location = maildir:/var/mail/vhosts/%d/%n mail_plugins = quota mail_privileged_group = mail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe autoexpunge = 30 days special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox Trash { auto = subscribe autoexpunge = 30 days special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { quota = maildir:User quota quota_grace = 10%% quota_max_mail_size = 100M quota_rule = *:storage=1G quota_rule2 = Trash:storage=+100M sieve = /etc/dovecot/sieve.conf } protocols = imap lmtp pop3 service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0666 user = vmail } user = dovecot } service imap-login { inet_listener imap { port = 0 } inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 995 ssl = yes } } service quota-status { client_limit = 1 executable = quota-status -p postfix inet_listener { port = 12340 } } ssl = required ssl_ca = </etc/ssl/example.com/ca.cer ssl_cert = </etc/ssl/example.com/fullchain.cer ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { args = uid=vmail gid=vmail home=/var/mail/vhosts/%d/%n driver = static } protocol lmtp { auth_socket_path = /var/run/dovecot/auth-master mail_plugins = quota sieve } protocol imap { mail_plugins = quota imap_quota } *Patrik* WWW <https://patrikx3.com> | GitHub <https://github.com/patrikx3/> | NPM <https://www.npmjs.com/~patrikx3> | Corifeus <https://corifeus.com> | +36 20 342 8046

2 2

Dovecot Logging and Shell Script Hang
by Asai 28 Feb '19

28 Feb '19

Greetings, We have a PHP based shell script that runs a doveadm backup routine. This script was running just fine, and then we turned on more logging for Dovecot (enabled the mail_log plugin). For some reason, once this was done, the shell script would run for a few minutes and then hang, as it added more log messages to the dsync STDOUT. Once the mail_log plugin was disabled, it ran without hanging. Is there any way to run doveadm and temporarily suspend the mail_log plugin? Or is there a better way to do this? Thanks for the insights. Asai

3 3

Dovecot 2.3.3 Mailbox does not exist
by Kunal A. 27 Feb '19

27 Feb '19

HI, I would deeply aprechiate if someone here could help me address a problem with ACL. I would personally refrain from e-mailing ever so often as I understand other users have more important issues to discuss about. Anyways I hope someone here could help. When I run ;- doveadm acl get -A Public/Archive I keep getting an error that says Mailbox does not exist . See erorr message below : - Error: Can't open mailbox Public/Archive: Mailbox doesn't exist: Public/Archive In the fastmail folder there is a folder called Archive, why isn't it being read? The folder is drwxr-xr-x. with vmail as owner. Deeply appreciate if someone could help with this. Many thanks dovecot -n output :- # 2.3.3 (dcead646b): /etc/dovecot/dovecot.conf # OS: Linux 4.20.10-200.fc29.x86_64 x86_64 Fedora release 29 (Twenty Nine) # Hostname: machine auth_mechanisms = plain login mail_location = maildir:~/Maildir mail_plugins = acl mail_privileged_group = mail mbox_write_locks = fcntl namespace { list = children location = maildir:/run/media/computer/Storage/Email/fastmail/ prefix = Public/ separator = / subscriptions = yes type = public } namespace inbox { inbox = yes list = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = INBOX/ separator = / } passdb { driver = pam } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { acl = vfile } postmaster_address = postmaster at example.com protocols = imap pop3 service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0600 user = vmail } user = dovecot } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 995 ssl = yes } } ssl = required ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_cipher_list = PROFILE=SYSTEM ssl_key = # hidden, use -P to show it userdb { driver = passwd } userdb { args = uid=vmail gid=vmail home=/var/mail/vhosts/%d/%n driver = static } protocol imap { mail_plugins = acl imap_acl }

2 2

Re: performance issue with UID SEARCH
by Aki Tuomi 27 Feb '19

27 Feb '19

Without FTS, dovecot needs to open *each* and *every* email when doing text searches, which is understandably rather slow process. Aki On 27.2.2019 10.43, Marc Roos wrote: > > > I am not sure if this any help. From what I understand of maildir it has > lots of separate files, thus uid/gid lookups. Try running something like > nscd, that will cache these lookups? > > > > > -----Original Message----- > From: Aki Tuomi via dovecot [mailto:dovecot@dovecot.org] > Sent: 27 February 2019 06:24 > To: Ben Burke; Dovecot Mailing List > Subject: Re: performance issue with UID SEARCH > > > On 27 February 2019 03:27 Ben Burke via dovecot < > dovecot(a)dovecot.org> wrote: > > > Hi, > > I'm running dovecot 2.2.x and I'm having an issue where I see many > dovecot processes use all the available IO on a server. According > to > iotop the worst offenders seem to be in this state (NOTE: I swapped > in > phony username & IP info): > > dovecot/imap [someusername 123.456.789.012 UID SEARCH] > > The server in question is running with Maildirs on top of an XFS > filesystem. Is there anything I can do to optimize "UID SEARCH" or > find > out why it's being a problem? I've read > https://wiki2.dovecot.org/PerformanceTuning and the linked pages. > > By "being a problem" I mean iostat -xmt 1 /dev/diskdevice shows > 100% > utilization for long periods and in some cases io service times are > > taking many seconds... which causes thunderbird to timeout when > doing > things like appending messages to user "Sent" mailboxes. > > Any ideas? > > Thanks, > Ben Burke > > > Are you using FTS? If not, you should. See > https://wiki.dovecot.org/Plugins/FTS > --- > Aki Tuomi > >

1 0

CASifying dovecot and webmail
by Juan Carlos Sánchez 27 Feb '19

27 Feb '19

Hello: I'm trying to authenticate webmail (roundcube) and dovecot with Apereo CAS. I don't find any good guide and everything I have found is some years old. Has any of you done a recent integration with CAS and can share the details ? Best regards -- ------------------------------------------------------ Juan Carlos Sanchez Hernandez Servicio de Infraestructura e Innovación Universidad Politecnica de Madrid - www.upm.es Rectorado Avda. Ramiro de Maeztu 7 28040 Madrid ------------------------------------------------------

3 2

Re: Linking mailboxes
by Aki Tuomi 27 Feb '19

27 Feb '19

drwx-----x kunal kunal Storage I'm guessing this point is being more restrictive. Can you try changing this into 0755? Also suddenly you are no longer using vmail but random user IDs. This only works with vmail. Aki > On 25 February 2019 19:56 Kunal A. <kunal.oa(a)gmail.com> wrote: > > > Hi, > Yes. Output ;- > > dr-xr-xr-x root root / > drwxr-xr-x root root run > drwxr-xr-x root root media > drwxr-x--x root root computer > drwx-----x kunal kunal Storage > drwx------ vmail vmail Email > drwx------ vmail vmail tmp > > > > On Mon, Feb 25, 2019 at 12:53 PM Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > > Can you run > > > > namei -vl /run/media/computer/Storage/Email/tmp > > > > the + at the end does not mean that, it means there is an extended POSIX ACL. > > > > Aki > > > > > On 25 February 2019 19:50 Kunal A. <kunal.oa(a)gmail.com> wrote: > > > > > > > > > Hey Aki, > > > Sorry for the trouble but I am still unable to get it working. The file permissions for upper files are now drwxr-xr-x. but I think they need to be drwxr-x--x+ ? > > > Any idea how to change it to that? > > > > > > > > > Error log is below:- > > > > > > doveadm(lightdm): Error: Can't open mailbox Storage/Email: stat(/run/media/computer/Storage/Email/tmp) failed: Permission denied (euid=976(lightdm) egid=976(lightdm) missing +x perm: /run/media/computer/Storage/Email, dir owned by 5000:5000 mode=0700) > > > doveadm(setroubleshoot): Error: stat(/run/media/computer/Storage/Email/tmp) failed: Permission denied (euid=975(setroubleshoot) egid=975(setroubleshoot) missing +x perm: /run/media/computer/Storage/Email, dir owned by 5000:5000 mode=0700) > > > doveadm(setroubleshoot): Error: Can't open mailbox Storage/Email: stat(/run/media/computer/Storage/Email/tmp) failed: Permission denied (euid=975(setroubleshoot) egid=975(setroubleshoot) missing +x perm: /run/media/computer/Storage/Email, dir owned by 5000:5000 mode=0700) > > > doveadm(dovenull): Error: stat(/run/media/computer/Storage/Email/tmp) failed: Permission denied (euid=974(dovenull) egid=973(dovenull) missing +x perm: /run/media/computer/Storage/Email, dir owned by 5000:5000 mode=0700) > > > ~ > > > > > > > > > > > > > > > On Mon, Feb 25, 2019 at 11:58 AM Kunal A. <kunal.oa(a)gmail.com> wrote: > > > > Dear Aki, > > > > Many thanks again. Thanks for explaining this. > > > > Very grateful for your assistance. > > > > Thanks a bunch ! > > > > Kunal > > > > > > > > > > > > > > > > On Mon, Feb 25, 2019 at 11:56 AM Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > > > > > At minimum directories > > > > > > > > > > /run/media/computer/Storage/ > > > > > > > > > > need to have o+x, so you can do > > > > > > > > > > chmod o+x /run /run/media /run/media/computer /run/media/computer/Storage > > > > > > > > > > and > > > > > > > > > > chown -R vmail:vmail /run/media/computer/Storage/Email > > > > > > > > > > Aki > > > > > > > > > > > On 25 February 2019 18:47 Kunal A. via dovecot <dovecot(a)dovecot.org> wrote: > > > > > > > > > > > > > > > > > > Dear Aki, > > > > > > I have given permission to the folders Storage/Email to vmail. > > > > > > But the upper hierarchy is not under vmail . > > > > > > > > > > > > Full directory = /run/media/computer/Storage/Email > > > > > > > > > > > > /run/media/computer = not vmail > > > > > > Storage/Email = vmail > > > > > > > > > > > > How do I get this corrected ? It seems like vmail needs access through all through run/media/computer . > > > > > > > > > > > > Please excuse my ignorance as I am not very familiar with filesystem permissions. :-/ > > > > > > > > > > > > Sincere apologies for the trouble. > > > > > > > > > > > > Thanks > > > > > > Kunal A. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Mon, Feb 25, 2019 at 11:36 AM Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > > > > > > > I would only run it for the mail folders to be safe. > > > > > > > > > > > > > > Aki > > > > > > > > > > > > > > > On 25 February 2019 18:34 Kunal A. via dovecot <dovecot(a)dovecot.org> wrote: > > > > > > > > > > > > > > > > > > > > > > > > Dear Aki, > > > > > > > > Many thanks for your feedback. Its what I figured I should do but I was not sure how safe it was. > > > > > > > > > > > > > > > > Would it make sense to execute the following to /run/media/computer so that the user/group is vmail? > > > > > > > > sudo chown -R vmail:vmail to the /run folder ? > > > > > > > > > > > > > > > > Also if this practice is safe to perform? > > > > > > > > > > > > > > > > Thanks > > > > > > > > Kunal A > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Mon, Feb 25, 2019 at 11:20 AM Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > > > > > > > > > > > > > > > > > > > On 25 February 2019 18:19 Aki Tuomi via dovecot <dovecot(a)dovecot.org> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 25 February 2019 17:56 Kunal A. via dovecot <dovecot(a)dovecot.org> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hey Guys! > > > > > > > > > > > Many thanks for your feedback. I have kind of gotten it to work but I just struggling to get the permissions of the folder correct. Highly appreciate if someone could help me set the correct permission settings for it . Terribly sorry for my ignorance. > > > > > > > > > > > > > > > > > > > > > > My error msg is listed below : - > > > > > > > > > > > > > > > > > > > > > > doveadm(vmail): Error: stat(/run/media/computer/Storage/Email/tmp) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +x perm: /run/media/computer, dir owned by 0:0 mode=0750) > > > > > > > > > > > doveadm(vmail): Error: Can't open mailbox Storage/Email: stat(/run/media/computer/Storage/Email/tmp) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +x perm: /run/media/computer, dir owned by 0:0 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > You need to give write permissions to vmail on /run/media/computer/Storage/Email > > > > > > > > > > > > > > > > > > > > You can > > > > > > > > > > - change owner to vmail > > > > > > > > > > - change group to vmail and add rwx for group > > > > > > > > > > - use posix ACLs > > > > > > > > > > - change mode to 0777 (unsafe) > > > > > > > > > > > > > > > > > > > > Aki > > > > > > > > > > > > > > > > > > And the same applies for all files & directories under /run/media/computer/Storage/Email > > > > > > > > > > > > > > > > > > Aki > > > > > > > > > > > > > > > > > > > > > > >

3 2

performance issue with UID SEARCH
by Ben Burke 27 Feb '19

27 Feb '19

Hi, I'm running dovecot 2.2.x and I'm having an issue where I see many dovecot processes use all the available IO on a server. According to iotop the worst offenders seem to be in this state (NOTE: I swapped in phony username & IP info): dovecot/imap [someusername 123.456.789.012 UID SEARCH] The server in question is running with Maildirs on top of an XFS filesystem. Is there anything I can do to optimize "UID SEARCH" or find out why it's being a problem? I've read https://wiki2.dovecot.org/PerformanceTuning and the linked pages. By "being a problem" I mean iostat -xmt 1 /dev/diskdevice shows 100% utilization for long periods and in some cases io service times are taking many seconds... which causes thunderbird to timeout when doing things like appending messages to user "Sent" mailboxes. Any ideas? Thanks, Ben Burke

2 1

new Centos server install yum dependancy error
by Voytek Eymont 26 Feb '19

26 Feb '19

I'm installing a new Centos 7 server, following repo.dovecot.org/ page, but, get this: (I've opted to install all BUT pgsql (use mysql), not sure I really need all other packages..?) should I just go for "dovecot dovecot-mysql dovecot-pigeonhole" ?? tried # yum install dovecot dovecot-debuginfo dovecot-devel dovecot-imaptest dovecot-imaptest-debuginfo dovecot-lua dovecot-mysql dovecot-pigeonhole dovecot-pigeonhole-debuginfo dovecot-pigeonhole-devel ... --> Finished Dependency Resolution Error: Package: 2:dovecot-lua-2.3.4.1-1.x86_64 (dovecot-2.3-latest) Requires: dovecot = 2:2.3.4.1-1 Available: 1:dovecot-2.2.36-3.el7.i686 (base) dovecot = 1:2.2.36-3.el7 Error: Package: 2:dovecot-pigeonhole-devel-2.3.4.1-1.x86_64 (dovecot-2.3-latest) Requires: dovecot-pigeonhole = 2:2.3.4.1-1 Installing: 1:dovecot-pigeonhole-2.2.36-3.el7.x86_64 (base) dovecot-pigeonhole = 1:2.2.36-3.el7 Error: Package: 2:dovecot-imaptest-2.3.4.1-1.x86_64 (dovecot-2.3-latest) Requires: dovecot = 2:2.3.4.1-1 Available: 1:dovecot-2.2.36-3.el7.i686 (base) dovecot = 1:2.2.36-3.el7 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest -- Voytek

4 12

Removing a mailbox from a dovecot cluster
by Francis 26 Feb '19

26 Feb '19

Hello, How should I remove a mailbox from a dovecot cluster? I have two dovecot in a cluster. I tried to remove one user's mailbox with theses commands I found with a little google search: doveadm flags add -u user(a)domain.tld "\\Deleted" ALL doveadm expunge -u user(a)domain.tld mailbox "*" DELETED doveadm purge -u user(a)domain.tld rm -fr /var/vmail/domains/domain.tld/user If I do theses commands in a script (so one command after one, very quick), the data just keep coming back from the other server in the cluster (I suppose this is what's happening). If I do theses commands manually, so more slowly, the mailbox is created again but empty this time. If I connect from an IMAP client, I see an empty mailbox. Same thing if I connect an IMAP client to the second server from the cluster. But I still see the data in the storage (mdbox) of the second server (the "m.#" files are still there an they waste space on disks). I tried to do a "doveadm purge" on the second server, but it did nothing more, the data is still keep on the disks. I'm running dovecot 2.2.33.2 on ubuntu 18.04 on both servers. Thanks! -- Francis

1 1

Virus scan + removal on a mdbox mail storage
by Christoph Haas 26 Feb '19

26 Feb '19

Hi, I need advice on how virus scan and removal can be done on a _mdbox_ mail storage? On a maildir storage the virus scanner (e.g. clamav etc.) can detect and remove a email that is infected, since every email and attachment are stored in separate files. But in mdbox the emails and attachments are compressed together in one ore more mdbox-files ... I am anxious to convert my mail storage for virus scanning into maildir format, since I don't know if a virus or crypto trojan con be activated with this converting action =:-o Cheers Christoph. -- Christoph Haas

3 6

Linking mailboxes
by Kunal A. 25 Feb '19

25 Feb '19

Hi, I am new to Dovecot and I am trying to link an email account folder to another Maildir(its a backup of the older email). I want the email account to be able to access the older emails. I am assuming this is done by creating a symlink? Currently reading instructions on this page:- https://wiki.dovecot.org/SharedMailboxes/Symlinks At the moment I have the folder:- /var/mail/vhosts/example.com/email1/Maildir/.INBOX.newfolder Inside the folder:- drwx------. 2 vmail vmail 4096 Feb 23 13:39 cur -rw-------. 1 vmail vmail 232 Feb 23 13:43 dovecot.index.log -rw-------. 1 vmail vmail 51 Feb 23 13:43 dovecot-uidlist -rw-------. 1 vmail vmail 0 Feb 23 13:39 maildirfolder drwx------. 2 vmail vmail 4096 Feb 23 13:39 new lrwxrwxrwx. 1 root root 45 Feb 23 13:46 Other -> /run/media/computer/Storage/Email/mail/Other drwx------. 2 vmail vmail 4096 Feb 23 13:39 tmp lrwxrwxrwx. 1 root root 5 Feb 23 13:46 Users -> Users I am not able to access the folders in the Other folder structure(inside other there are other email inboxes ie(email1@example.com,email2@example.com,etc.). I want to get access to all the email subfolders. Could someone here advise how to do this or point me to some tutorials for this. Sincere apologies for this and many thanks in advance for helping... Dovecot -n output :- # 2.3.3 (dcead646b): /etc/dovecot/dovecot.conf # OS: Linux 4.20.10-200.fc29.x86_64 x86_64 Fedora release 29 (Twenty Nine) # Hostname: computer auth_mechanisms = plain login mail_location = maildir:~/Maildir mail_privileged_group = mail mbox_write_locks = fcntl namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { driver = pam } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } postmaster_address = postmaster at example.com protocols = imap pop3 service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0600 user = vmail } user = dovecot } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 995 ssl = yes } } ssl = required ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_cipher_list = PROFILE=SYSTEM ssl_key = # hidden, use -P to show it userdb { driver = passwd } userdb { args = uid=vmail gid=vmail home=/var/mail/vhosts/%d/%n driver = static }

3 12

Corrupted transaction log and redownloading
by azurit＠pobox.sk 25 Feb '19

25 Feb '19

Hi, today we had to hard-reboot one of our dovecot proxy backends and after boot up, lot's of accounts were showing this error and appeard empty: Error: Corrupted transaction log file ... After deleting the indexes (not uid file, problem wasn't in deleting indexes, i'm doing this often), e-mails showed up ok but e-mail clinets started to download them again. Why this happened and how to prevent it (other than 'not hard-rebooting')? I know that reboot could cause corruption of uid files in some cases but this time it looks like this was caused by corrupted indexes - how index corruption can cause redownloading and why? Thanks for any info. azur

2 1

Probleme with replication and shared mailbox
by Laurent BRAULT (OSILOG) 25 Feb '19

25 Feb '19

Dear Dovecot Users/Admins/Mailing-List First of all I would give a big thanks for your great work ! I may need your help to find out what’s going on with my replication and shared mailbox problem. I setup a full active/active servers with : * Postfix * Dovecot * MariaDB (automaticaly balanced/failover between the 2 host within DRBD and Heartbeat) * SpamAssassin * Clamav * Sieve * Webmail * IMAP Over SSL and SMTP Over TLS * Fail2ban ################################################################################################## <dovecot –version> ################################################################################################## 2.2.27 (c0f36b0) ==> DEBIAN 9 Stretch (no back ports) ################################################################################################## Everythink works fine until I activate a share on a mailbox. I run the following command to share the full mailbox « websentinel » to « lbrault » (because of « acl_defaults_from_inbox = yes » set in conf) : ==> doveadm acl set -u websentinel(a)example.fr INBOX user=lbrault(a)example.fr admin create delete expunge insert lookup post read write write-deleted write-seen Just after activation of share and connect through webmail client (Horde in this case but tried Roundcube also) I get this kind of error messages on logs : ################################################################################################## Feb 25 15:59:50 mx01 dovecot: imap(lbrault(a)example.fr): Error: /mnt/mail/vmail/example.fr/lbrault/shared/websentinel(a)example.fr/.INBOX/dovecot.index.pvt reset, view is now inconsistent Feb 25 15:59:50 mx01 dovecot: imap(lbrault(a)example.fr): Error: /mnt/mail/vmail/example.fr/lbrault/shared/websentinel(a)example.fr/.INBOX/dovecot.index.pvt view is inconsistent Feb 25 15:59:50 mx01 dovecot: imap(lbrault(a)example.fr): Error: /mnt/mail/vmail/example.fr/lbrault/shared/websentinel(a)example.fr/.INBOX/dovecot.index.pvt view is inconsistent Feb 25 15:59:50 mx01 dovecot: imap(lbrault(a)example.fr): BUG: Unknown internal error in=293 out=119712 ################################################################################################## In parallele to this error some new folders are created on the mailboxes root with name containing « nonexistent mailbox… » : ################################################################################################## 16:00:37 root@mx01 /mnt/mail/vmail # lla total 48 drwxr-xr-x 12 vmail vmail 4096 févr. 25 16:00 . drwxr-xr-x 3 root root 4096 févr. 11 12:13 .. drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=47376e22c8876e5cff5b000036d82855) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=48376e22c8876e5cff5b000036d82855) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=49376e22c8876e5cff5b000036d82855) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=5c72c71b3f896e5c615c000036d82855) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=809fff0046896e5c665c000036d82855) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=a1895d0c36866e5c865b000036d82855) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=c14aaa38d1846e5c285b000036d82855) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=ed909808b1846e5c523b01006b8a5dcb) drwx------ 2 vmail vmail 4096 févr. 25 16:00 (nonexistent mailbox with GUID=fa9d41114b896e5c6b5c000036d82855) drwx------ 4 vmail vmail 4096 févr. 21 11:57 example.fr ################################################################################################## When I look at the GUID it seems this GUID are linked to the folder into the shared mailbox (websentinel) I tried to change dsync params with the following command into 10-master.conf to exclude the shared folder from replication but it seems having no effect with the TCP replication : ==> replication_dsync_parameters = -d -N -l 30 -U -x shared Here is my dovecot -n report : ################################################################################################## <dovecot -n> : ################################################################################################## # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.16 (fed8554) # OS: Linux 4.9.0-8-amd64 x86_64 Debian 9.7 ext4 auth_debug = yes auth_debug_passwords = yes auth_mechanisms = plain login auth_verbose = yes auth_verbose_passwords = yes doveadm_password = # hidden, use -P to show it doveadm_port = 12345 mail_attribute_dict = file:/mnt/mail/vmail/%d/%n/dovecot-attributes mail_debug = yes mail_location = maildir:/mnt/mail/vmail/%d/%n mail_plugins = " quota notify replication acl" mail_privileged_group = vmail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext editheader vnd.dovecot.pipe vnd.dovecot.filter vnd.dovecot.execute namespace { list = children location = maildir:/mnt/mail/vmail/%%d/%%n:INDEXPVT=/mnt/mail/vmail/%d/%n/shared/%%u prefix = shared/%%u/ separator = / subscriptions = no type = shared } namespace inbox { inbox = yes location = mailbox Archive { auto = subscribe special_use = \Archive } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / type = private } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { acl = vfile acl_defaults_from_inbox = yes acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db mail_replica = tcp:mx02.example.fr quota = maildir:User quota quota_grace = 10%% quota_rule = *:storage=1G quota_rule2 = Trash:storage=+100M quota_rule3 = Junk:ignore quota_status_overquota = 552 5.2.2 Mailbox is full sieve = /mnt/mail/vmail/%d/%n/.dovecot.sieve sieve_after = /etc/dovecot/sieve/spamfilter.sieve sieve_dir = /mnt/mail/vmail/%d/%n/sieve sieve_execute_bin_dir = /usr/lib/dovecot/sieve-execute sieve_extensions = +editheader +vnd.dovecot.pipe +vnd.dovecot.filter +vnd.dovecot.execute sieve_filter_bin_dir = /usr/lib/dovecot/sieve-filter sieve_pipe_bin_dir = /usr/lib/dovecot/sieve-pipe sieve_plugins = sieve_extprograms } protocols = " imap lmtp sieve" replication_dsync_parameters = -d -N -l 30 -U -x shared replication_max_conns = 50 service aggregator { fifo_listener replication-notify-fifo { mode = 0666 user = vmail } unix_listener replication-notify { mode = 0666 user = vmail } } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { group = vmail mode = 0666 user = vmail } } service doveadm { inet_listener { port = 12345 } user = vmail } service imap-login { inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service replicator { process_min_avail = 1 unix_listener replicator-doveadm { mode = 0666 } } ssl = required ssl_cert = </etc/letsencrypt/live/mx01.example.fr/fullchain.pem ssl_key = # hidden, use -P to show it userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } verbose_ssl = yes protocol lmtp { mail_plugins = " quota notify replication acl sieve" postmaster_address = lbrault(a)example.fr } protocol lda { mail_plugins = " quota notify replication acl sieve" } protocol imap { imap_metadata = yes mail_plugins = " quota notify replication acl imap_quota imap_acl" } ################################################################################################## ################################################################################################## <dovecot-sql.conf.ext> : ################################################################################################## driver = mysql connect = host=192.168.1.512 dbname=postfix user=mailman password=MySuperPassword default_pass_scheme = SHA512-CRYPT password_query = \ SELECT email as username, pwd AS password, \ concat('*:bytes=', quota_limit_bytes) AS userdb_quota_rule \ FROM addresses WHERE email = '%u' AND active = 1 user_query = \ SELECT 5000 AS uid, 5000 as gid, email, \ '/mnt/mail/vmail/%d/%n' AS home, \ concat('*:bytes=', quota_limit_bytes) AS quota_rule \ FROM addresses WHERE email = '%u' AND active = 1 iterate_query = SELECT email AS user FROM addresses WHERE active = 1 ################################################################################################## I would share a special thanks for Community help 😊 If more conf files needed (ie postfix main.cf) please ask me for them. Best regards Laurent

1 0

password protected ssl key seems unsupported after update to 2.3.4.1
by admin＠f-hamelin.fr 25 Feb '19

25 Feb '19

Hi, On a debian server after an update to dovecot to 2.3.4.1 imaps mail client stop working. I’ve applied necessary migration for ssl_dh (cf https://wiki.dovecot.org/Upgrading/2.3 <https://wiki.dovecot.org/Upgrading/2.3> ) but that was not enough. The workaround I’ve setup was to remove password protection from the ssl_key file. All tests with ssl_key_password parameter failled (direct password, <path-file-with-password) searching I’ve found a message reporting a problem with that parameter and Stephan said it was tracked internally as DOP-851 Hope this will help. Regards, Franck debian updade from dovecot-core:amd64 (1:2.2.34-2~bpo9+1, 1:2.3.4.1-1~bpo9+1) # dovecot -n # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 () # OS: Linux 4.19.0-0.bpo.2-amd64 x86_64 Debian 9.8 xfs …/… The error message in the log prior to the workaround was : "dovecot: imap-login: Error: Failed to initialize SSL server context: Couldn't parse private SSL key: error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt, error:23077074:PKCS12 routines:PKCS12_pbe_crypt:pkcs12 cipherfinal error, error:2306A075:PKCS12 routines:PKCS12_item_decrypt_d2i:pkcs12 pbe crypt error, error:0907B00D:PEM routines:PEM_read_bio_PrivateKey:ASN1 lib: user=<>, rip=192.168.0.254, lip=192.168.0.51, session=<thtmP6iCc9jAqAD+> »

2 2

permission denied errors with INDEX=MEMORY and trees plugin
by John McKay 24 Feb '19

24 Feb '19

I am using the trees[1] plugin to encrypt the mail on my disk. Because I don't want it to store any metadata in plaintext, I've also set INDEX=MEMORY in my mail_location configuration. However, whenever I get new mail I get errors like the following showing up in the journal: lmtp(john(a)octet.space)<21780><QDkrBqTXclwUVQAAQHGRUQ>: Error: Mailbox INBOX: Saving mail: read(/var/vmail/octet.space/john/Maildir/tmp/1551030180.M508113P21780.toaster.octet.space) failed: Permission denied (read reason=header Subject (Cache file is unusable)) It's like it's trying to read the message after it's been delivered, but is not able to because it's been encrypted. I seem to be able to get email just fine despite the error message. This happens both if I deliver mail using dovecot-lda or lmtp. Is there any way to fix this or at the very least suppress the error message? I have included my dovecot configuration below. [1] https://0xacab.org/riseuplabs/trees [root@toaster ~]# dovecot --version 2.3.4.1 (f79e8e7e4) [root@toaster ~]# dovecot -n # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 (60b0f48d) # OS: Linux 4.20.8-arch1-1-ARCH x86_64 ext4 # Hostname: toaster.octet.space base_dir = /run/dovecot/ hostname = toaster.octet.space mail_gid = vmail mail_home = /var/vmail/%d/%n mail_location = maildir:/var/vmail/%d/%n/Maildir:UTF-8:INDEX=MEMORY mail_plugins = " quota trash zlib trees notify replication" mail_privileged_group = vmail mail_uid = vmail mailbox_list_index_very_dirty_syncs = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext spamtest spamtestplus imapflags notify imapsieve vnd.dovecot.imapsieve namespace inbox { inbox = yes location = maildir:/var/vmail/%d/%n/Maildir:UTF-8:INDEX=MEMORY mailbox Drafts { auto = create special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Spam { auto = create autoexpunge = 30 days special_use = \Junk } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { imapsieve_mailbox1_before = file:/var/lib/dovecot/imapsieve/before/report-spam.sieve imapsieve_mailbox1_causes = COPY FLAG imapsieve_mailbox1_name = Spam imapsieve_mailbox2_before = file:/var/lib/dovecot/imapsieve/before/report-ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Spam imapsieve_mailbox2_name = * quota = maildir:User quota quota_max_mail_size = 100M quota_rule = *:storage=15G quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u quota_warning3 = -storage=100%% quota-warning below %u recipient_delimiter = + sieve = file:~/sieve;active=~/.dovecot.sieve sieve_before = /var/lib/dovecot/sieve/before/ sieve_extensions = +spamtest +spamtestplus +notify +imapflags sieve_filter_socket_dir = sieve-pipe sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment +vnd.dovecot.filter sieve_pipe_socket_dir = sieve-pipe sieve_plugins = sieve_imapsieve sieve_extprograms sieve_quota_max_storage = 4M sieve_spamtest_max_header = X-Spam-Score: -?[[:digit:]]+\.[[:digit:]]+ / (-?[[:digit:]]+\.[[:digit:]]) sieve_spamtest_status_header = X-Spam-Score: (-?[[:digit:]]+\.[[:digit:]]+) / -?[[:digit:]]+\.[[:digit:]] sieve_spamtest_status_type = score trash = /etc/dovecot/dovecot-trash.conf.ext zlib_save = xz zlib_save_level = 6 } protocols = imap lmtp service auth-worker { group = smtpd user = $default_internal_user } service auth { unix_listener auth-userdb { group = vmail mode = 0660 user = vmail } } service dovecot-lda { executable = script /usr/lib/dovecot/dovecot-lda.sh unix_listener sieve-pipe/dovecot-lda { mode = 0600 user = vmail } user = vmail } service filter_rspamc { executable = script /usr/lib/dovecot/filter_rspamc.sh group = vmail unix_listener sieve-pipe/filter_rspamc { mode = 0600 user = vmail } user = vmail } service imap-login { inet_listener imap { port = 0 } inet_listener imaps { port = 993 ssl = yes } } service learn_ham { executable = script /usr/lib/dovecot/learn_ham.sh group = vmail unix_listener sieve-pipe/learn_ham { mode = 0600 user = vmail } user = vmail } service learn_spam { executable = script /usr/lib/dovecot/learn_spam.sh group = vmail unix_listener sieve-pipe/learn_spam { mode = 0600 user = vmail } user = vmail } service lmtp { unix_listener lmtp { group = vmail mode = 0660 user = vmail } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 0 } } service quota-warning { executable = script /usr/lib/dovecot/quota-warning.sh unix_listener quota-warning { group = vmail mode = 0660 user = vmail } user = vmail } ssl = required ssl_cert = </etc/acme/fullchain.cer ssl_cipher_list = TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256 ssl_key = # hidden, use -P to show it ssl_min_protocol = TLSv1.2 ssl_prefer_server_ciphers = yes userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } protocol lda { mail_plugins = " quota trash zlib trees notify replication sieve zlib" } protocol imap { mail_plugins = " quota trash zlib trees notify replication imap_quota imap_sieve imap_zlib zlib" } protocol lmtp { mail_plugins = " quota trash zlib trees notify replication sieve zlib" }

1 0

Problem with shared Mailbox
by Asterisk 24 Feb '19

24 Feb '19

Hi I am using dovecot 2.3.4.1, is working in thunderbird, but it does not work in outlook 2016 or mail. a list "" "*" * LIST (\HasNoChildren \UnMarked \Drafts) "/" Drafts * LIST (\HasNoChildren \UnMarked \Sent) "/" Sent * LIST (\HasNoChildren \Junk) "/" Junk * LIST (\HasNoChildren \Trash) "/" Trash * LIST (\Noselect \HasChildren) "/" partage * LIST (\HasNoChildren) "/" partage/sysadmin * LIST (\HasNoChildren) "/" INBOX here the configuration auth_mechanisms = plain login auth_verbose = yes auth_verbose_passwords = sha1:6 hostname = imap_idle_notify_interval = 29 mins lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes mail_gid = docker mail_location = maildir:/var/mail/%n mail_plugins = acl quota mail_privileged_group = docker mail_uid = docker managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapflags notify vnd.dovecot.pipe vnd.dovecot.filter namespace { disabled = no hidden = no list = children location = maildir:/var/mail/%%n:INDEX=/var/mail/%%n:INDEXPVT=/var/mail/%%n prefix = partage/%%n/ separator = / subscriptions = yes type = shared } namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / subscriptions = yes type = private } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { acl = vfile acl_shared_dict = file:/var/mail/%d/shared-mailboxes.db quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_dir = ~/sieve sieve_extensions = +notify +imapflags +vnd.dovecot.pipe +vnd.dovecot.filter sieve_filter_bin_dir = /usr/lib/dovecot/sieve-filter sieve_pipe_bin_dir = /usr/lib/dovecot/sieve-pipe sieve_plugins = sieve_extprograms } postmaster_address = postmaster@ protocols = " imap lmtp sieve" service auth { unix_listener /var/spool/postfix/private/auth { group = docker mode = 0666 user = docker } unix_listener auth-master { group = docker mode = 0600 user = docker } unix_listener auth-userdb { group = docker mode = 0666 user = docker } } service imap-login { inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener lmtp { group = postfix mode = 0660 } } service pop3-login { inet_listener pop3s { port = 995 ssl = yes } } ssl = required ssl_cert = </etc/letsencrypt/live//fullchain.pem ssl_cipher_list = ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256 ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_min_protocol = TLSv1.2 ssl_prefer_server_ciphers = yes userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol lmtp { mail_plugins = acl quota sieve } protocol lda { mail_plugins = acl quota sieve } protocol imap { mail_plugins = acl quota imap_acl imap_quota }

2 1

Dmarc
by Latin Bishop 23 Feb '19

23 Feb '19

Trying to implement dmarc and looking at configuration file Wondering if one should change reject failures to true and how can I get this before I start rejecting emails AuthservID mail.example.com PidFile /var/run/opendmarc.pid #Debian default RejectFailures false Syslog true TrustedAuthservIDs mail.example.com,mail2.example.com UMask 0002 UserID opendmarc:opendmarc IgnoreHosts /etc/opendmarc/ignore.hosts HistoryFile /var/run/opendmarc/opendmarc.dat #for testing: SoftwareHeader true Sent from my iPad

1 0

LMTP and public mailboxes?
by Eric Abrahamsen 22 Feb '19

22 Feb '19

Hi, I've been using postfix and dovecot for a few years, and have been doing public mailboxes with dovecot-lda, using a postfix transport that looks like (line wrapped for the mailer): my-public-transport unix - n n - - pipe flags=DRhu user=vmail:vmail argv=/usr/bin/spamc -u <me> -e \ /usr/lib/dovecot/dovecot-lda -f ${sender} -d <me> -m public/${user} So messages first passed to spamassassin, using my own personal config for bayes rules, then to dovecot-lda, using my user for auth, and finally delivering to a public/* mailbox, with acl rules for access. I'm moving spamassassin to a mimedefang milter, so that's out of the equation; and LDA to LMTP, so the postfix config simply becomes: virtual_transport = lmtp:unix:private/dovecot-lmtp That's much nicer, but I'm not sure how to handle the public mailbox using LMTP. How are people doing this? While Googling I saw a recommendation to create a virtual user for the public mailboxes, and then presumably Postfix would map "info(a)mydomain.com" to "publicuser+info(a)mydomain.com" and I would go from there. But that seems a little weird: I don't want anyone to be able to log in as publicuser, nor to send mail as that user (Postfix uses Dovecot for auth). Yet I don't seem to be able to pass other arguments to lmtp, that might indicate which user to use for auth. Does anyone have a clean solution for this? Thanks in advance, Eric

1 1

Troubles with Dovecot 2.3.3 - mkdir permission denied due to +w perm: /var, dir owned by 0:0 mode=0755)
by Kunal A. 22 Feb '19

22 Feb '19

Hi, I am quite new to Dovecot and I followed a tutorial on Linode to set up Dovecot, Postfix and MySql on the following site:- https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-my… Everything seems to work fine(telnet etc) except dovecot does not create mailboxes. Highly appreciate if someone could check the error messages and the dovecot -n on the bottom and provide some advise. I was unable to get the SQL config but I don't think its related to SQL but more of permission related. Please help Thanks Kevin Dovecot Version: 2.3.3 Error Message: Feb 22 08:54:42 computer dovecot[2224]: imap(email1(a)example.com)<4452><TTHt3nuC+rIAAAAAAAAAAAAAAAAAAAAB>: Server shutting down. in=16 out=539 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 Feb 22 08:54:42 computer dovecot[4870]: master: Dovecot v2.3.3 (dcead646b) starting up for imap, pop3 Feb 22 08:55:06 computer dovecot[4872]: imap-login: Login: user=< email1(a)example.com>, method=PLAIN, rip=::1, lip=::1, mpid=4878, secured, session=<PfIL8HuCnLMAAAAAAAAAAAAAAAAAAAAB> Feb 22 08:55:14 computer dovecot[4872]: imap(email1(a)example.com)<4878><PfIL8HuCnLMAAAAAAAAAAAAAAAAAAAAB>: Error: mkdir(/var/vmail/email1(a)example.com/Maildir) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w perm: /var, dir owned by 0:0 mode=0755) Feb 22 08:55:14 computer dovecot[4872]: imap(email1(a)example.com)<4878><PfIL8HuCnLMAAAAAAAAAAAAAAAAAAAAB>: Error: mkdir(/var/vmail/email1(a)example.com/Maildir) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w perm: /var, dir owned by 0:0 mode=0755) Feb 22 08:55:14 computer dovecot[4872]: imap(email1(a)example.com)<4878><PfIL8HuCnLMAAAAAAAAAAAAAAAAAAAAB>: Error: Mailbox INBOX: Failed to autocreate mailbox: Internal error occurred. Refer to server log for more information. [2019-02-22 08:55:14] Feb 22 09:25:14 computer dovecot[4872]: imap(email1(a)example.com)<4878><PfIL8HuCnLMAAAAAAAAAAAAAAAAAAAAB>: Disconnected for inactivity in=16 out=546 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 Output of dovecot -n : # 2.3.3 (dcead646b): /etc/dovecot/dovecot.conf # OS: Linux 4.20.10-200.fc29.x86_64 x86_64 Fedora release 29 (Twenty Nine) # Hostname: computer auth_mechanisms = plain login mail_location = maildir:~/Maildir mail_privileged_group = mail mbox_write_locks = fcntl namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { driver = pam } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } postmaster_address = postmaster at example.com protocols = imap pop3 service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0600 user = vmail } user = dovecot } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 995 ssl = yes } } ssl = required ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_cipher_list = PROFILE=SYSTEM ssl_key = # hidden, use -P to show it userdb { driver = passwd } userdb { args = uid=vmail gid=vmail home=/var/vmail/%u driver = static }

2 2

dovecot Buch 2014 vs 2016
by Heiko Schlittermann 22 Feb '19

22 Feb '19

Moin, Es geht um das Dovecot-Buch. Ich nehme an, daß hier mindestens einer, der sich auskennt, mitliest: Gibt es - außer der Sprache und dem Preis - einen Unterschied zwischen der ersten (und einzigen?) deutschen Auflage von 2014 und der englischen Auflage von 2016? -- Heiko

3 3

Sieve vnd.dovecot.filter hanging issue
by Scott M. 22 Feb '19

22 Feb '19

I am trying to add a signature to all messages and it should be possible via vnd.dovecot.filter, the problem is that any script I try to filter through just hangs. I am running on FreeBSD 11.2 and I tried with dovecot 2.2.32 & pigeonhole 0.4.19 and with dovecot 2.3.2 && pigeonhole 0.5.2. In both cases, the output from dovecot is the same: Feb 19 18:24:22 mx13 dovecot: lda(user1): Debug: sieve: action filter: running program: append Feb 19 18:24:22 mx13 dovecot: lda(user1): Debug: Mailbox stdin: Opened mail UID=1 because: mail stream Feb 19 18:24:22 mx13 dovecot: lda(user1): Debug: waiting for program `/usr/local/gtech/sieve/append' to finish after 3 msecs Feb 19 18:25:22 mx13 dovecot: lda(user1): Debug: program `/usr/local/gtech/sieve/append'(55055) execution timed out after 60000 milliseconds: sending TERM signal Feb 19 18:25:27 mx13 dovecot: lda(user1): Debug: program `/usr/local/gtech/sieve/append' (55055) did not die after 5000 milliseconds: sending KILL signal at first I tried using my actual script but since it was failing I switched to a simple shell script: #!/bin/sh cat /dev/null echo "hey" exit 0 I got that idea after reading: http://dovecot.2317879.n4.nabble.com/execute-sieve-command-fails-to-notice-… (http://dovecot.2317879.n4.nabble.com/execute-sieve-command-fails-to-notice-…) The result is unfortunately the same. From what I can gather ( ran it inside strace/truss too), dovecot-lda hangs on the output. Is this accurate ? How can I get this to work ?

2 1

Using SHA256/512 for SQL based password
by Robert Moskowitz 21 Feb '19

21 Feb '19

I have trying to find how to set the dovecot-sql.conf for using SHA256/512. I am going to start clean with the stronger format, not migrate from the old MD5. It seems all I need is: driver = mysql connect = host=/var/lib/mysql/mysql.sock dbname=postfix user=postfix password=$Postfix_Database_Password default_pass_scheme = SHAxxx-CRYPT # following should all be on one line. password_query = SELECT username as user, password, concat('/home/vmail/', maildir) as userdb_home, concat('maildir:/home/vmail/', maildir) as userdb_mail, 101 as userdb_uid, 12 as userdb_gid FROM mailbox WHERE username = '%u' AND active = '1' # following should all be on one line user_query = SELECT concat('/home/vmail/', maildir) as home, concat('maildir:/home/vmail/', maildir) as mail, 101 AS uid, 12 AS gid, CONCAT('*:messages=30000:bytes=', quota) as quota_rule FROM mailbox WHERE username = '%u' AND active = '1' where xxx is either 256 or 512. All the rest I have been finding in my searches concern converting the format and are not needed for a clean start? thanks

13 30

Re: Assistance with doveadm backup...
by SH Development 21 Feb '19

21 Feb '19

Here is my command: [root@mail maelstrombackups] #mkdir -p vmailbackup [root@mail vmail]# chown: vmail:vmail /mnt/maelstrombackups/vmailbackup [root@mail vmail]# doveadm backup -u jeff maildir:/mnt/maelstrombackups/vmailbackup Only gives me the usage list, doesn’t work. Jeff > On Feb 21, 2019, at 1:29 AM, Sami Ketola <Sami.Ketola(a)Open-Xchange.com> wrote: > > > >> On 21 Feb 2019, at 7.04, SH Development via dovecot <dovecot(a)dovecot.org> wrote: >> >> Not really. The suggestions in the post seemed to be: >> >> 1. Tar the whole directory, which I have tried in the past, but a 130G directory takes over 18 hours to tar. >> 2. It was also suggested to rsync the directory, but the question was brought up, and not answered, about whether it was advisable to copy live mail, thus the need for doveadm sync/backup. >> >> Based on what I’ve read about doveadm backup, this is what I need, I am just having a hard time formulating the syntax for the command. >> > > root@ketola ~]# mkdir -p /backup/sami > root@ketola ~]# chown vmail:vmail /backup/sami > root@ketola ~]# doveadm backup -u sami Maildir:/backup/sami > <snip> > root@ketola ~]# du -hs /backup/sami > 211M /backup/sami > > does this help? > > Sami

1 0

Re: Assistance with doveadm backup...
by SH Development 21 Feb '19

21 Feb '19

Sorry for being such a newbie when it comes to scripting. Created a directory for the backups on the network mounted volume. Changed the appropriate path and am getting this: dsync(root): Error: user nfsnobody: Initialization failed: Namespace 'INBOX.': mkdir(/mnt/maelstrombackups/vmailbackup/nfsnobody) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w perm: /mnt/maelstrombackups/vmailbackup, euid is not dir owner) dsync(root): Fatal: User init failed Backup done for user: nfsnobody ... dsync(root): Error: user vmail: Initialization failed: Namespace 'INBOX.': mkdir(/mnt/maelstrombackups/vmailbackup/vmail) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +w perm: /mnt/maelstrombackups/vmailbackup, euid is not dir owner) dsync(root): Fatal: User init failed Backup done for user: vmail … After running the script, I suddenly have two new directories in my vmail folder, “nfsnobody” and “vmail”. What are these users? Jeff > On Feb 20, 2019, at 10:32 PM, Kenren Taisho <toushin.taishi(a)gmail.com> wrote: > > No worries, that simple script should get you to a start though. Just replace the path with a mounted NFS share if you want it to reside in a network volume. > > On Thu, Feb 21, 2019 at 12:10 PM SH Development <listaccount(a)starionline.com> wrote: > My apologies, you are absolutely right. Will post this in the correct forum. > > Spent the last couple of hours poring through the postfix list and just forgot where I was at. > > Jeff > > > >> On Feb 20, 2019, at 8:55 PM, Kenren Taisho <toushin.taishi(a)gmail.com> wrote: >> >> Hi Jeff, >> >> This should be better off to dovecot's mailing list. >> But just to get you started, this is the first thing that came to mind: >> >> example: >> >> for users in `doveadm user "*"`; do >> LOCALPART=${users%%@*} >> dsync -v -f -u $users backup maildir:/tmp/backup/$LOCALPART >> echo "Backup done for user: $users ..." >> done >> >> HTH >> >> >> On Thu, Feb 21, 2019 at 9:55 AM SH Development <listaccount(a)starionline.com> wrote: >> I am having trouble locating examples of how to use doveadm backup. All the examples I see are for sync. I simply want to create a backup to a network volume of the email server's vmail folders. The goal here is to have a reasonably current backup should the main drive on the email server go south. >> >> We currently authenticate our users from a mysql database. User’s mailboxes are stored as domainname/username/Maildir >> >> I assume what I will wind up on the network volume is a duplicate directory structure as the vmail folder on the email server? >> >> Can someone help get me started here? >> >> Jeff >

1 0

sieve filter not working
by subin ks 20 Feb '19

20 Feb '19

I've Dovecot and dovecot-sieve v 2.2.27 installed on a Debian 9.6. I'm trying to set a Sieve filter which will redirect all emails from `info` (i.e. .info) TLD to another email. This is the filter: require ["regex"]; # rule:[test] if header :regex "from" "info$" { redirect "subbs(a)domain.com"; } It's not being honored; all emails from .info TLD ends up in the inbox and none are redirected. Let me know what I'm doing wrong. Thanks.

4 6

Error sending email from client
by Latin Bishop 20 Feb '19

20 Feb '19

Latest So if I telnet into port 25 I am able to send an email to my gmail account True it comes into my spam folder But when I try sending via client where my server is I get error 4 6 5 configuration error Also email I send to server are lost ??????? Pleas3 help

3 3

Need to authenticate Outlook and NTLM
by Mark Foley 20 Feb '19

20 Feb '19

I've posted questions on this before, but now I really, really need a solution. Using Dovecot 2.2.33.2 We've been using Dovecot as IMAP server for several years on a Linux host which is also the Active Directory / Domain Controller. We have both Thunderbird and Outlook clients. The Thunderbird clients authenticate w/o problem with AD credentials using Kerberos/GSSAPI. I've never been able to get the Outlook clients to authenticate using domain credentials, so I've also hard-coded user and password into /etc/passwd and let the Dovecot authenticate via PLAIN LOGIN. Now, however, I am mandated to switch all users to Outlook, so I need an AD credential solution. I found https://wiki2.dovecot.org/HowTo/ActiveDirectoryNtlm and followed those instructions. The first problem I ran into was in Step 3 where it said to put the following line in the config: auth_ntlm_use_winbind = yes This gave me an error when I restarted Dovecot: Restarting Dovecotdoveconf: Fatal: Error in configuration file /usr/local/etc/dovecot/conf.d/10-auth.conf line 84: Unknown setting: auth_ntlm_use_winbind googling this error indicated that this was a version 1.x directive and 2.x used only auth_use_winbind. I removed the auth_ntlm_use_winbind and Dovecot restart. If this is true, the wiki should be updated since it purports to be a version 2.x wiki. I followed the rest of the instructions on that wiki and my modified config is: $ doveconf -n # 2.2.33.2 (d6601f4ec): /usr/local/etc/dovecot/dovecot.conf # OS: Linux 4.4.157 x86_64 Slackware 14.2 auth_debug = yes auth_debug_passwords = yes auth_gssapi_hostname = $ALL auth_krb5_keytab = /etc/dovecot/dovecot.keytab auth_mechanisms = plain login gssapi ntlm auth_use_winbind = yes auth_username_format = %n auth_verbose = yes auth_verbose_passwords = plain disable_plaintext_auth = no info_log_path = /var/log/dovecot_info mail_location = maildir:~/Maildir passdb { driver = shadow } protocols = imap ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/2016-08-10/54e789087d419b6e.crt ssl_key = # hidden, use -P to show it userdb { driver = passwd } verbose_ssl = yes New additions to my pre-ntlm conf is only the 'ntlm' added the the auth_mechanism and: auth_winbind_helper_path = /usr/bin/ntlm_auth which interestingly doesn't show into the 'doveconf -n' output, above. Is it a default? I then attempted to connect from Outlook and got the error: auth: Info: ntlm(?,192.168.0.58,<qd9nulmB4sLAqAA6>): ntlm_auth reports broken helper: NT_STATUS_UNSUCCESSFUL After more searching I came across this post, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774263 which, in summary, said that ntlm_auth had to run as root. So, I added the following to my dovecot config per that post's suggestion: service auth { user = root } After restarting and trying again to connect from Outlook I got the message: auth: Info: ntlm(?,192.168.0.58,<SCINjFqBKcXAqAA6>): user not authenticated: NT_STATUS_NO_MEMORY At this point I've been unable to find a solution to this error. I've listed the entire dovecot log output for this last attempt to connect from Outlook below. Has anyone in the Universe successfully connected from Outlook using active domain credentials? If so, what's the secret? What am I not doing correctly? Thanks for any and all help! --Mark dovecot log: Feb 07 23:39:40 auth: Debug: Loading modules from directory: /usr/local/lib/dovecot/auth Feb 07 23:39:40 auth: Debug: Module loaded: /usr/local/lib/dovecot/auth/lib20_auth_var_expand_crypt.so Feb 07 23:39:40 auth: Debug: Read auth token secret from /usr/local/var/run/dovecot/auth-token-secret.dat Feb 07 23:39:40 auth: Debug: auth client connected (pid=16357) Feb 07 23:39:40 auth: Debug: client in: AUTH 1 NTLM service=imap session=SCINjFqBKcXAqAA6 lip=192.168.0.2 rip=192.168.0.58 lport=143 rport=50473 Feb 07 23:39:40 auth: Debug: client passdb out: CONT 1 Feb 07 23:39:40 auth: Debug: client in: CONT 1 TlRMTVNTUAABAAAAB4IIogAAAAAAAAAAAAAAAAAAAAAGAbEdAAAADw== (previous base64 data may contain sensitive data) Feb 07 23:39:40 auth: Debug: client passdb out: CONT 1 TlRMTVNTUAACAAAACAAIADgAAAAFgomifTyOI3AwfogAAAAAAAAAAGIAYgBAAAAABgEAAAAAAA9IAFAAUgBTAAIACABIAFAAUgBTAAEACABNAEEASQBMAAQAFABoAHAAcgBzAC4AbABvAGMAYQBsAAMAHgBtAGEAaQBsAC4AaABwAHIAcwAuAGwAbwBjAGEAbAAHAAgAVIrLTWi/1AEAAAAA Feb 07 23:39:40 auth: Debug: client in: CONT 1 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 (previous base64 data may contain sensitive data) Feb 07 23:39:40 auth: Info: ntlm(?,192.168.0.58,<SCINjFqBKcXAqAA6>): user not authenticated: NT_STATUS_NO_MEMORY Feb 07 23:39:42 auth: Debug: client passdb out: FAIL 1

3 7

Virtual mailbox shows mails that are too old
by Stefan Hagen 19 Feb '19

19 Feb '19

Hello, I'm using dovecot on my personal / private email server. I have set up virtual mailboxes in my inbox namespace like this: namespace inbox { inbox = yes prefix = "Virtual/" separator = / location = "virtual:~/.emails_virtual:LAYOUT=fs:INDEX=dovecot.virtual.index:LISTINDEX=dovecot.virtual.list.index" list = yes subscriptions = yes mailbox { auto = subscribe } } I had quite some trouble with it at first with UIDs changing all the time, but after adding INDEX and LISTINDEX it started to work just fine. I've created dovecot_virtual files like this one: $ cat ~/.emails_virtual/2-LastDay/dovecot-virtual * -Trash -Sent -Drafts -Spam -Virtual -Virtual/* all younger 86400 After stopping dovecot and deleting the index files and restarting dovecot, the virtual mailbox shows all mail from the last day - as expected. But after one day, it shows mail from two days. After three, it shows mails from three days. It looks like dovecot selects emails from the last day, but never cleans out emails that are older, once they have been selected. My full dovecot -n can be found here: https://codevoid.de/?q=/0/p/dovecot-n.txt Any ideas about what could be wrong? Best Regards, Stefan -- Stefan Hagen | (gopher|https)://codevoid.de(/gpg) CBD3 C468 64B4 6517 E8FB B90F B6BC 2EC5 52BE 43BA

3 2

freebsd log process problem
by Bane Ivosev 19 Feb '19

19 Feb '19

After version 2.2.32 we have an issue that occures randomly a couple times per day, log process gets stuck at 100% CPU usage with message dovecot: log(56027): Warning: Log connection fd 20 listen_fd 20 prefix 'imap: ' is sending input faster than we can write It happens with several Dovecot version after 2.2.32 on FreeBSD 10.4 and 11.2-RELEASE. We tried 2.2.34, 2.3.2, 2.3.4 On the same system version 2.2.32 and earlier works perfectly. Did anyone experience similar problem?

1 0

dovecot/lmtp dumps core when proxying to multiple recipients via protocol=smtp
by Piper Andreas 19 Feb '19

19 Feb '19

Hello, when trying to set up a migration scenario from my old mailbox-servers to my new dovecot-cluster, I get a coredump from dovecot/lmtp when proxying mail-delivery to more than one recipient on the old mailbox-server. My setup: 3 director-hosts (Debian stretch) are proxying to a pair of replicator-hosts and during migration also to the old mailbox-server. For migration the not-migrated user-addresses are included via a passwd-file with entries like: grtest1@hrz.uni-marburg.de:::::::director_tag=hrz protocol=smtp user=grtest1 grtest2@hrz.uni-marburg.de:::::::director_tag=hrz protocol=smtp user=grtest2 ... The director_tag points to the old mailbox-server, with 'protocol=smtp' SMTP is used for delivery, as the old machine is not capable of LMTP. The setup works fine for imap-proxying and for mail-delivery to single recipients. But if a mail is addressed to more than one recipient, lmtp produces a coredump after delivering to all recipients. The error-message in the log is: Feb 14 12:15:05 vhrzxxx dovecot[63861]: lmtp(64663): Connect from 127.0.0.1 Feb 14 12:15:05 vhrzxxx dovecot[63861]: lmtp(64663): 206UIrlNZVyX/AAAGwthQA: Sent message to <grtest2> at 137.248.xxx.yyy:25: 250 2.0.0 x1EBF5Ro016092 Message accepted for delivery (1/2 at 79 ms) Feb 14 12:15:05 vhrzxxx dovecot[63861]: lmtp(64663): 206UIrlNZVyX/AAAGwthQA: Sent message to <grtest2> at 137.248.xxx.yyy:25: 250 2.0.0 x1EBF5Ro016092 Message accepted for delivery (2/2 at 79 ms) Feb 14 12:15:05 vhrzxxx dovecot[63861]: lmtp(64663): Fatal: master: service(lmtp): child 64663 killed with signal 11 (core dumped) The backtrace from the coredump is: Reading symbols from /usr/lib/dovecot/lmtp...(no debugging symbols found)...done. [New LWP 64663] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `dovecot/lmtp'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f347fc7a2c0 in ?? () from /usr/lib/dovecot/libdovecot.so.0 (gdb) bt full #0 0x00007f347fc7a2c0 in ?? () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #1 0x00007f347fc77d73 in smtp_client_command_fail_reply () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #2 0x00007f347fc77fbe in smtp_client_commands_list_fail_reply () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #3 0x00007f347fc7c8dc in smtp_client_connection_disconnect () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #4 0x00007f347fc7cf19 in smtp_client_connection_unref () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #5 0x00007f347fc7e35d in ?? () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #6 0x00007f347fd1f5d5 in io_loop_call_io () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #7 0x00007f347fd20fd9 in io_loop_handler_run_internal () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #8 0x00007f347fd1f6e6 in io_loop_handler_run () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #9 0x00007f347fd1f8f8 in io_loop_run () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #10 0x00007f347fc93d43 in master_service_run () from /usr/lib/dovecot/libdovecot.so.0 No symbol table info available. #11 0x00005613fcbc1f70 in main () No symbol table info available. (gdb) doveconf -n gives: # 2.3.4.1 (3c0b8769e): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 (60b0f48d) # OS: Linux 4.9.0-8-amd64 x86_64 Debian 9.7 # Hostname: vhrzxxx.HRZ.Uni-Marburg.DE auth_cache_negative_ttl = 0 auth_cache_size = 10 M auth_master_user_separator = * auth_worker_max_count = 1024 base_dir = /var/run/dovecot/ default_vsz_limit = 1 G director_mail_servers = 172.25.1.93 172.25.1.95 137.248.xxx.yyy@hrz 137.248.xxx.zzz@staff 137.248.aaa.bbb@students director_servers = 172.25.1.42:9090 172.25.1.41:9090 172.25.1.92:9090 director_username_hash = %Ln@%Ld doveadm_password = # hidden, use -P to show it doveadm_port = 12345 imap_max_line_length = 640 k lmtp_proxy = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext passdb { args = /etc/dovecot.deny deny = yes driver = passwd-file } passdb { args = /etc/dovecot/private/passwd.masterusers driver = passwd-file master = yes } passdb { args = /etc/dovecot/dovecot-ldap.staff.conf.ext driver = ldap result_success = continue-ok } passdb { args = /etc/dovecot/migration/migrate-staff driver = passwd-file name = passdb_staff_query } passdb { args = /etc/dovecot/dovecot-ldap.students.conf.ext driver = ldap result_success = continue-ok } passdb { args = /etc/dovecot/migration/migrate-students driver = passwd-file name = passdb_students_query } passdb { args = /etc/dovecot/dovecot-ldap.hrz.conf.ext driver = ldap result_success = continue-ok } passdb { args = /etc/dovecot/migration/migrate-hrz driver = passwd-file name = passdb_hrz_query } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve } pop3_uidl_format = %08Xv%08Xu postmaster_address = postmaster(a)hrz.uni-marburg.de protocols = imap pop3 lmtp sieve service auth-worker { user = $default_internal_user } service auth { client_limit = 6000 } service director { inet_listener { port = 9090 } unix_listener director-userdb { mode = 0600 } unix_listener login/director { mode = 0666 } } service doveadm { inet_listener { port = 12345 } vsz_limit = 768 M } service imap-login { executable = imap-login director process_min_avail = 64 service_count = 0 } service imap { process_limit = 4096 } service lmtp { inet_listener lmtp { port = 24 } } service managesieve-login { executable = managesieve-login director inet_listener sieve { port = 4190 } } service pop3-login { executable = pop3-login director } ssl = required ssl_ca = </etc/ssl/certs/umr-chain.pem ssl_cert = </etc/ssl/certs/vhrzxxx.hrz.uni-marburg.de.pem ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_require_crl = no userdb { args = /etc/dovecot/dovecot-ldap-userdb.conf.ext driver = ldap } protocol lmtp { auth_socket_path = director-userdb } protocol doveadm { auth_socket_path = director-userdb } protocol imap { mail_max_userip_connections = 25 mail_plugins = " zlib imap_zlib" } I would appreciate any help on this. If any more information is needed, please ask. With many thanks and best regards, Andreas -- ________________________________________________________________________ Dr. Andreas Piper, Hochschulrechenzentrum der Philipps-Univ. Marburg Hans-Meerwein-Straße 6, 35032 Marburg, Germany Phone: +49 6421 28-23521 Fax: -26994 E-Mail: piper(a)HRZ.Uni-Marburg.DE

1 1

Migrate mail data from Dovecot to Dovecot
by Odhiambo Washington 19 Feb '19

19 Feb '19

I have built a new server (FreeBSD-12) running dovecot-2.3.4. My old server (FreeBSD-9.3) is running dovecot-2.3.4 as well. The configurations are 1:1 identical. The are about 250 users on this server, all virtual. They are mostly POP3 users, but they do "leave a copy of message on the server" for set various number of days. Now, to migrate the mail data, can I simply rsync the mail directories between the old and the new server? Would that create a pitfall?? What is the recommended method? -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-)

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Error configuring unix_listener stats-writer
by Peter Nabbefeld 18 Feb '19

18 Feb '19

Hello, I've got a very strange problem: When I try to configure the stats-writer socket, I'm told the configuration is a duplicate, though none exists in the configuration files. So I'd guess the configuration is set either built-in or implicitly. I've put the following into conf.d/10-master.conf: service auth { unix_listener auth-userdb { } unix_listener stats-writer { user = vmail group = vmail mode = 0666 } } BTW, using imap for mail traffic. Is there any tool displaying an "effective" config tree (i.e., a tool displaying the resulting configuration from every file, displaying the original file and line number)? "dovecot -a" only displays all configurations, but without source reference, so it's impossible to find out about the details. :-( Kind regards Peter

4 9

Dsync and network issues
by Danilo G. Baio 18 Feb '19

18 Feb '19

Hi. Our scenario: dovecot-2.3.4.1 Two FreeBSD servers, A (master) and B (slave). replication_max_conns = 10 doveadm_port = 60025 All mails are received on server A and replicated to server B. Sometimes we get these messages on server B: Feb 18 08:27:35 dsync-server(XX@XX): Error: client_connection_tcp_free: close((&conn->fd)) @ client-connection-tcp.c:632 failed (fd=15): Connection reset by peer Feb 18 08:28:00 dsync-server(XZ@XZ): Error: client_connection_tcp_free: close((&conn->fd)) @ client-connection-tcp.c:632 failed (fd=15): Connection reset by peer Feb 18 08:33:14 dsync-server(XY@XY): Error: client_connection_tcp_free: close((&conn->fd)) @ client-connection-tcp.c:632 failed (fd=15): Connection reset by peer Feb 18 08:44:07 dsync-server(XW@XW): Error: client_connection_tcp_free: close((&conn->fd)) @ client-connection-tcp.c:632 failed (fd=15): Connection reset by peer It happens sometimes (usually early morning) when users are syncing their mailboxes. Is there a way to debug this and find what is happening? Thanks for your time. -- Danilo G. Baio

1 0

imap-hibernate returned failure: Failed to parse client input: Invalid peer_dev_minor value
by Alex 18 Feb '19

18 Feb '19

Hello! I tried to use imap-hibernate. But errors in maillog: Oct 19 05:14:24 server dovecot: imap(email(a)example.com)<67125><Lu7ndYt4n8aASO/q>: Error: kevent(-1) for notify remove failed: Bad file descriptor Oct 19 05:14:24 server dovecot: imap(email(a)example.com)<67125><Lu7ndYt4n8aASO/q>: Error: close(-1) for notify remove failed: Bad file descriptor Oct 19 05:14:24 server dovecot: imap-hibernate: Error: Failed to parse client input: Invalid peer_dev_minor value: 18446744073709486335 Oct 19 05:14:24 server dovecot: imap(email(a)example.com)<67125><Lu7ndYt4n8aASO/q>: Error: /var/run/dovecot/imap-hibernate returned failure: Failed to parse client input: Invalid peer_dev_minor value: 18446744073709486335 Oct 19 05:14:24 server dovecot: imap: Error: dovecot-2.3.3, FreeBSD 10.4 dovenull 38990 0,0 0,0 43748 16308 - S 3:54 0:00,08 imap-login: (imap-login) dovenull 38998 0,0 0,1 47844 19536 - S 3:54 0:00,18 imap-login: [34.193.82.152 TLS proxy] (imap-login) dovenull 38999 0,0 0,1 47844 17180 - S 3:54 0:00,19 imap-login: (imap-login) dovenull 39000 0,0 0,0 35556 9584 - S 3:54 0:00,03 dovecot/imap-login dovenull 39001 0,0 0,0 43748 16320 - S 3:54 0:00,12 imap-login: (imap-login) dovenull 39002 0,0 0,0 43748 16320 - S 3:54 0:00,13 imap-login: (imap-login) dovenull 39003 0,0 0,0 43748 16328 - S 3:54 0:00,16 imap-login: (imap-login) dovenull 39004 0,0 0,1 47844 17948 - S 3:54 0:00,17 imap-login: [12.34.56.78 TLS proxy] (imap-login) vmail 39042 0,0 0,0 15936 3040 - I 3:54 0:00,01 imap-hibernate: [0 connections] (imap-hibernate) vmail 39076 0,0 0,0 78900 8984 - S 3:54 0:00,05 imap: [email(a)example.com 12.34.56.78 IDLE] (imap) vmail 44114 0,0 0,0 78900 8936 - I 4:06 0:00,05 imap: [email(a)example.com 34.193.82.152 IDLE] (imap) srw-rw---- 1 root dovecot 0 19 окт 03:54 imap-hibernate srw------- 1 root dovecot 0 19 окт 03:54 imap-master srw------- 1 root wheel 0 19 окт 03:54 imap-postlogin srw-rw-rw- 1 root wheel 0 19 окт 03:54 imap-urlauth srw------- 1 dovecot wheel 0 19 окт 03:54 imap-urlauth-worker imap_hibernate_timeout = 5 secs service imap-hibernate { extra_groups = $default_internal_group unix_listener imap-hibernate { group = dovecot } user = vmail } service imap { extra_groups = $default_internal_group unix_listener imap-master { group = $default_internal_group } } I tried to set user/group vmail, set mode = 0666, but the same errors. Can you help me with hibernate confiration ? Best regards, Alex

3 8

unsubscibe
by Henry Otten 18 Feb '19

18 Feb '19

unsubscribe

1 0

Re: Dove to error
by Aki Tuomi 18 Feb '19

18 Feb '19

mail_privileged_group=mail Aki > On 17 February 2019 at 19:03 Latin Bishop <soydepr(a)gmail.com> wrote: > > > When testing with thunder mail getting this error > > Feb 17 11:59:40 pepino dovecot: imap(pi): Error: open(/var/mail/pi) failed: Permission denied (euid=1000(pi) egid=1000(pi) missing +w perm: /var/mail, we're not in group 8(mail), dir owned by 0:8 mode=0775) > Feb 17 11:59:40 pepino dovecot: imap(pi): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2019-02-17 11:59:40] > Feb 17 11:59:50 pepino dovecot: imap(pi): Logged out in=155 out=874 > > > > On Feb 17, 2019, at 8:46 AM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > > > > You probably mean -quiet flag which works > > > > Aki > > > >> On 17 February 2019 at 12:10 Latin Bishop <soydepr(a)gmail.com> wrote: > >> > >> > >> Thanks > >> > >> Was 143. I notice the -quite flag no longer works in openssl when testing connection > >> > >>> On Feb 17, 2019, at 3:33 AM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > >>> > >>> > >>>> On 17 February 2019 at 05:50 Latin Bishop via dovecot < dovecot(a)dovecot.org> wrote: > >>>> > >>>> > >>>> > >>>> Getting this error after following > >>>> this tutorial > >>>> > >>>> Error in configuration file /etc/dovecot/dovecot.conf duplicate listener > >>>> > >>>> > >>>> https://samhobbs.co.uk/2013/12/raspberry-pi-email-server-part-2-dovecot > >>>> > >>> > >>> Usually doveconf -n tells you where the duplicate listener is so you can remove it. > >>> --- > >>> Aki Tuomi

3 7

Re: Dove to error
by Aki Tuomi 17 Feb '19

17 Feb '19

Wow, that is lot of useless config, see below for a fixed version to put into dovecot.conf =) Aki auth_mechanisms = plain login ## doing this lets people log in without SSL #disable_plaintext_auth = no listen = * mail_location = mbox:~/mail:INBOX=/var/mail/%u namespace { inbox = yes mailbox { special_use = \Drafts name = Drafts } mailbox { special_use = \Junk name = Junk } mailbox { special_use = \Sent name = Sent } mailbox { special_use = \Sent name = Sent Messages } mailbox { special_use = \Trash name = Trash } name = inbox } passdb { driver = pam } protocols = imap service auth { unix_listener { group = postfix mode = 0660 user = postfix path = /var/spool/postfix/private/auth } } ## this is useless config, as it's default #service imap-login { # inet_listener { # port = 143 # name = imap # } # inet_listener { # port = 993 # ssl = yes # name = imaps # } #} ssl_cert = </etc/dovecot/dovecot.pem ssl_key = # hidden, use -P to show it userdb { driver = passwd } ## end of config > On 17 February 2019 at 12:45 soydepr <soydepr(a)gmail.com> wrote: > > > # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf > # Pigeonhole version 0.4.16 (fed8554) > # OS: Linux 4.14.79-v7+ armv7l Debian 9.6 > auth_mechanisms = plain login > disable_plaintext_auth = no > listen = * > mail_location = mbox:~/mail:INBOX=/var/mail/%u > namespace { > inbox = yes

2 1

Re: Dove to error
by Aki Tuomi 17 Feb '19

17 Feb '19

That really depends on your dovecot config, but try doveadm log find also you can list recent errors with doveadm log errors Aki > On 17 February 2019 at 20:03 Latin Bishop <soydepr(a)gmail.com> wrote: > > > Where I find dovecot log > > > > > On Feb 17, 2019, at 12:56 PM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > > > > Yes, well, this is postfix log, which is not very useful when debugging dovecot problems... > > > > Aki > > > >> On 17 February 2019 at 19:50 Latin Bishop <soydepr(a)gmail.com> wrote: > >> > >> > >> Feb 17 12:48:00 pepino postfix/smtps/smtpd[3988]: connect from localhost[127.0.0.1] > >> Feb 17 12:48:01 pepino postfix/smtps/smtpd[3988]: warning: unknown smtpd restriction: "permit_ssl_authenticated" > >> Feb 17 12:48:01 pepino postfix/smtps/smtpd[3988]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 Server configuration error; from=<pi(a)torombolo.ml> to=<pi(a)torombolo.ml> proto=ESMTP helo=<[127.0.0.1]> > >> Feb 17 12:48:07 pepino postfix/cleanup[3998]: 25EC480E6B: message-id=<20190217174807.25EC480E6B@pepino> > >> Feb 17 12:48:07 pepino postfix/smtps/smtpd[3988]: disconnect from localhost[127.0.0.1] ehlo=1 auth=1 mail=1 rcpt=0/1 quit=1 commands=4/5 > >> Feb 17 12:48:07 pepino postfix/qmgr[2604]: 25EC480E6B: from=<double-bounce@pepino>, size=970, nrcpt=1 (queue active) > >> Feb 17 12:48:07 pepino postfix/local[3999]: 25EC480E6B: to=<root(a)despiertapr.com>, orig_to=<postmaster>, relay=local, delay=0.06, delays=0.03/0/0/0.03, dsn=2.0.0, status=sent (delivered to maildir) > >> Feb 17 12:48:07 pepino postfix/qmgr[2604]: 25EC480E6B: removed > >> > >>> On Feb 17, 2019, at 12:40 PM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > >>> > >>> Can you try adding 'pi' to group 'mail' too? Also, can you provide the actual errors from log? > >>> > >>> Aki > >>> > >>>> On 17 February 2019 at 19:37 Latin Bishop <soydepr(a)gmail.com> wrote: > >>>> > >>>> > >>>> Yes it is. Basically can’t send nor receive confit looks good > >>>> > >>>> > >>>> > >>>>> On Feb 17, 2019, at 12:34 PM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > >>>>> > >>>>> Is user 'dovecot' member of group 'mail'? > >>>>> > >>>>> Aki > >>>>> > >>>>>> On 17 February 2019 at 19:28 Latin Bishop <soydepr(a)gmail.com> wrote: > >>>>>> > >>>>>> > >>>>>> Changed permissions but still have issues > >>>>>> > >>>>>> A error occurred while sending email the mail server responded 4.3.5 server configuration error > >>>>>> Please check the message recipient > >>>>>> > >>>>>> Sent from my iPad > >>>>>> > >>>>>>> On Feb 17, 2019, at 12:06 PM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > >>>>>>> > >>>>>>> mail_privileged_group=mail > >>>>>>> > >>>>>>> Aki > >>>>>>> > >>>>>>>> On 17 February 2019 at 19:03 Latin Bishop <soydepr(a)gmail.com> wrote: > >>>>>>>> > >>>>>>>> > >>>>>>>> When testing with thunder mail getting this error > >>>>>>>> > >>>>>>>> Feb 17 11:59:40 pepino dovecot: imap(pi): Error: open(/var/mail/pi) failed: Permission denied (euid=1000(pi) egid=1000(pi) missing +w perm: /var/mail, we're not in group 8(mail), dir owned by 0:8 mode=0775) > >>>>>>>> Feb 17 11:59:40 pepino dovecot: imap(pi): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2019-02-17 11:59:40] > >>>>>>>> Feb 17 11:59:50 pepino dovecot: imap(pi): Logged out in=155 out=874 > >>>>>>>> > >>>>>>>> > >>>>>>>>> On Feb 17, 2019, at 8:46 AM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > >>>>>>>>> > >>>>>>>>> You probably mean -quiet flag which works > >>>>>>>>> > >>>>>>>>> Aki > >>>>>>>>> > >>>>>>>>>> On 17 February 2019 at 12:10 Latin Bishop <soydepr(a)gmail.com> wrote: > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> Thanks > >>>>>>>>>> > >>>>>>>>>> Was 143. I notice the -quite flag no longer works in openssl when testing connection > >>>>>>>>>> > >>>>>>>>>>> On Feb 17, 2019, at 3:33 AM, Aki Tuomi <aki.tuomi(a)open-xchange.com> wrote: > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>>> On 17 February 2019 at 05:50 Latin Bishop via dovecot < dovecot(a)dovecot.org> wrote: > >>>>>>>>>>>> > >>>>>>>>>>>> > >>>>>>>>>>>> > >>>>>>>>>>>> Getting this error after following > >>>>>>>>>>>> this tutorial > >>>>>>>>>>>> > >>>>>>>>>>>> Error in configuration file /etc/dovecot/dovecot.conf duplicate listener > >>>>>>>>>>>> > >>>>>>>>>>>> > >>>>>>>>>>>> https://samhobbs.co.uk/2013/12/raspberry-pi-email-server-part-2-dovecot > >>>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> Usually doveconf -n tells you where the duplicate listener is so you can remove it. > >>>>>>>>>>> --- > >>>>>>>>>>> Aki Tuomi

2 2