- dovecot - dovecot.org

Cannot login with method=GSSAPI
by Erik Haller 17 Aug '17

17 Aug '17

I am migrating an existing dovecot server to a new server. The existing server uses pam_krb5 and works with the plain and gssapi methods. The new server plain/pam_krb5 normal password authentication works. However, the gssapi (tickets) authentication is producing the following error: === Begin Error ==== imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=192.168.7.61, lip=192.168.7.97, TLS, session=<SPnD7NhWWtrAqAc9> === End Error === What is causing the "user=<>"? It should be "user=<erik>". I have been using Thunderbird SSL GSSAPI from a Debian Linux testing/buster XFCE desktop to connect to the existing server for years. When I point it to the new server, I receive the above error. ssh kerberos gssapi authentication is working fine on the new server. Most of the doveconf setting between the existing and new servers are the same. The existing server is 32 bit. The new server is 64 bit running in an LXC container. The existing server dovecot version is the same as the new server. Notes: dovecot version: 2.2.31 (65cde28) OS: Debian Linux testing/buster Arch: amd64 Client: Mozilla Thunderbird 52.2.1 (latest)

2 2

correct permissions /etc/dovecot ?
by voytek＠sbt.net.au 17 Aug '17

17 Aug '17

what permissions/ownership should /etc/dovecot/files have? keep seeing this error below, I can correct as per log, BUT, wanted first to check what it should be, rather than me 'fiddling' thanks, V SQL user is vmail first_valid_uid = 2000 last_valid_uid = 2000 # ls -al total 60 drwxr-xr-x 5 root root 4096 Aug 16 14:45 . drwxr-xr-x 82 root root 4096 Aug 16 08:34 .. drwxr-xr-x 2 root root 4096 Aug 12 21:22 conf.d -rw------- 1 vmail dovecot 0 Nov 5 2013 dovecot-master-users-password -rw------- 1 vmail dovecot 735 Aug 16 14:45 dovecot-mysql.conf -rw------- 1 vmail dovecot 491 Aug 15 23:09 dovecot-share-folder.conf -rw------- 1 vmail dovecot 320 Aug 15 23:09 dovecot-used-quota.conf -rw-r--r-- 1 root root 3414 Aug 16 14:43 dovecot.conf Aug 16 16:28:01 auth: Error: passwd-file: open(/etc/dovecot/dovecot-master-users-password) failed: Permission denied (euid=97(dovecot) egid=97(dovecot) missing +r perm: /etc/dovecot/dovecot-master-users-password, dir owned by 0:0 mode=0755) Aug 16 16:29:16 auth: Error: passwd-file: open(/etc/dovecot/dovecot-master-users-password) failed: Permission denied (euid=97(dovecot) egid=97(dovecot) missing +r perm: /etc/dovecot/dovecot-master-users-password, dir owned by 0:0 mode=0755)

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Question (haven't tried yet)
by Ivan Warren 16 Aug '17

16 Aug '17

Hello, I have a question : if I have multiple servers sharing a single disk space (NFS... cluster), and a message is delivered via say LMTP or LDA to a mailbox, and an IMAP client is in IDLE mode on another server, Will it get notified of the arrival of the new message (and if yes, how ?) Thanks, --Ivan

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FTS Lucene Search by Word Parts
by Webert de Souza Lima 16 Aug '17

16 Aug '17

Hello, as the dovecot documentation is only trivial for FTS Search options, I can't find information on advanced options. I have enabled it but it seems I can only search for entire words, i.e. the word Dovecot can be found by searching "dovecot", but not "dove". Is it possible to achieve this using FTS Lucene? I know that using Solr that achievable setting n-gram. Regards, Webert Lima DevOps Engineer at MAV Tecnologia *Belo Horizonte - Brasil*

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Compiling problem on Debian Jessie with dovecot-2-2-32.rc1
by Ralf Zimmermann 16 Aug '17

16 Aug '17

I cant' do ./configure && make && make install on a Debian Jessie. How can I fix this? #make CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash /usr/local/src/dovecot-2.2.32.rc1/missing aclocal-1.15 -I . -I m4 /usr/local/src/dovecot-2.2.32.rc1/missing: line 81: aclocal-1.15: command not found WARNING: 'aclocal-1.15' is missing on your system. You should only need it if you modified 'acinclude.m4' or 'configure.ac' or m4 files included by 'configure.ac'. The 'aclocal' program is part of the GNU Automake package: <http://www.gnu.org/software/automake> It also requires GNU Autoconf, GNU m4 and Perl in order to run: <http://www.gnu.org/software/autoconf> <http://www.gnu.org/software/m4/> <http://www.perl.org/> Makefile:497: recipe for target 'aclocal.m4' failed make: *** [aclocal.m4] Error 127 # aclocal --version aclocal (GNU automake) 1.14.1 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Tom Tromey <tromey(a)redhat.com> and Alexandre Duret-Lutz <adl(a)gnu.org>. # aclocal configure.ac:319: warning: macro 'AM_ICONV' not found in library # autoconf configure.ac:319: error: possibly undefined macro: AM_ICONV If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. # autoreconf -i -f aclocal: error: couldn't open directory 'm4': No such file or directory autoreconf: aclocal failed with exit status: 1 Greets Ralf Zimmermann

1 0

Failback mailboxes?
by Dag Nygren 16 Aug '17

16 Aug '17

Hi! Have been using Fedora as my dovecot server for some time and am struggling with systemd at every update. Fedora insists on setting ProtectSystem=full in both dovecot.service and postfix.service at every update of the packages. This makes my mailstore which is in /usr/local/var/mail Read-only. And this makes the incoming emails delivered through dovecot-lda disappear into /dev/null until I notice the problem and we lose incoming emails. My question is: Is there any way to set up a failback mailstore for these occasions? PS! I really hate systemd - Destroys the UNIX way of doing things with a heavy axe.... Best Dag

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Question about mail_location
by Laura Steynes 16 Aug '17

16 Aug '17

In using mysql, in the configuration file we need to specify, in the user query, '/path/ as home, yet but in dovecot.conf, we also are setting mail_location, the same thing is it not, so unless I've missed something, do we still need to use the path as home in the user query? Do we only need set that if it differs from mail_location? Thanks

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Re: migrating 2.1 to 3.x, sql pass scheme, pass value?
by voytek＠sbt.net.au 16 Aug '17

16 Aug '17

On Wed, August 16, 2017 7:50 am, Noel Butler wrote: > On 15/08/2017 22:58, voytek(a)sbt.net.au wrote: > Use: CRYPT > This allows you to use whatever your system supports in your database > password fields, with modern OS's thats anything from md5 (shudder the > thought) to salted sha512 and probably more these days depending on what > other goodies your distro adds, dovecot will send it to the underlying OS > crypt function that does all the hard work. Noel, thanks again for help and explanations. (what went wrong for me, I thought I knew actual password, seeing the long random string in dovecot_mysql file, then assumed it must be hashed version of what I knew as password, anyhow, that part working now) V

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namespace configuration error
by Jeff Ross 16 Aug '17

16 Aug '17

I've got a few errors I'm trying to track down, probably all related... Aug 15 14:03:14 xyzzy dovecot: imap-login: Login: user=<jeff>, method=PLAIN, rip=100.8.22.62, lip=132.238.254.34, mpid=4803, TLS, session=<fLvfl85WntFkCBY+> Aug 15 14:03:14 xyzzy dovecot: imap(jeff): Error: namespace configuration error: Duplicate namespace prefix: "" Aug 15 14:03:14 xyzzy dovecot: imap(jeff): namespace configuration error: Duplicate namespace prefix: "" in=0 out=357 Aug 15 14:03:15 xyzzy dovecot: imap-login: Login: user=<jeff>, method=PLAIN, rip=100.8.22.62, lip=132.238.254.34, mpid=4806, TLS, session=<j/3hl85WoNFkCBY+> Aug 15 14:03:15 xyzzy dovecot: imap(jeff): Error: namespace configuration error: Duplicate namespace prefix: "" Aug 15 14:03:15 xyzzy dovecot: imap(jeff): namespace configuration error: Duplicate namespace prefix: "" in=0 out=357 Aug 15 14:04:51 xyzzy dovecot: lda(jeff): Error: User initialization failed: namespace configuration error: Duplicate namespace prefix: "" Aug 15 14:04:51 xyzzy dovecot: lda: Fatal: Invalid user settings. Refer to server log for more information. # dovecot -n # 2.2.31 (65cde28): /etc/dovecot/dovecot.conf # OS: Linux 4.12.5-300.fc26.x86_64 x86_64 Fedora release 26 (Twenty Six) ext4 mail_location = mbox:/home/%u/mail:INBOX=/home/%u/mbox mail_plugins = snarf zlib mbox_write_locks = fcntl namespace Snarf { hidden = yes list = no location = mbox:/home/%u/mbox:INBOX=/var/spool/mail/%u:INDEX=MEMORY prefix = ~~Snarfbox/ separator = / } namespace default { inbox = yes location = prefix = separator = / } 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 { driver = pam } plugin { mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mbox_snarf = /home/%u/mbox snarf = ~~Snarfbox/INBOX } protocols = imap pop3 service imap-login { inet_listener imap { address = localhost } } service pop3-login { inet_listener pop3 { address = localhost } } service postlogin { executable = script-login -d rawlog } ssl_cert = </etc/letsencrypt/live/www.bubble.org/fullchain.pem ssl_key = # hidden, use -P to show it userdb { driver = passwd } protocol imap { mail_max_userip_connections = 15 mail_plugins = snarf zlib imap_zlib }

2 1

migrating 2.1 to 3.x, sql pass scheme, pass value?
by voytek＠sbt.net.au 16 Aug '17

16 Aug '17

I'm trying to migrate from Centos 6/dovecot 2.1.17/mysql to new server on Centos 7/dovecot 2.2.31 (65cde28)/mariadb I've dumped on oldserver 'dovecot.conf' and used it on newserver doveconf -n > dovecot.conf also, transferred /etc/doveconf/*.conf I've also dumped MySQL 'vmail' and imported database, created user vmail, vmailadmin dumb question: should the password hash from oldserver work 'as is' on newserver..? (different machine, different SQL..) I've tried 'as is', then, attepmted to change both "default_pass_scheme" and 'password=' values, but, no luck postfixadmin works, I can login and see domains/mailboxes what default_pass_scheme should I use ? where/how do I take password= value ? when I attempt to login to pop, I see this: # doveadm stop # dovecot # telnet 127.0.0.1 110 Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. +OK Dovecot ready. USER voytek(a)sbt.net.au +OK PASS mypass -ERR [SYS/TEMP] Temporary authentication failure. [voytek-web01:2017-08-14 22:06:33] -ERR Unknown command. -ERR Disconnected for inactivity. Connection closed by foreign host. log has: Aug 15 08:04:33 master: Warning: Killed with signal 15 (by pid=9743 uid=0 code=kill) Aug 15 08:04:44 master: Info: Dovecot v2.2.31 (65cde28) starting up for pop3, imap, sieve (core dumps disabled) Aug 15 08:05:31 auth-worker(9763): Error: mysql(127.0.0.1): Connect failed to database (vmail): Access denied for user 'vmail'@'localhost' (using password: YES) - waiting for 1 seconds before retry Aug 15 08:05:31 auth-worker(9763): Error: mysql(127.0.0.1): Connect failed to database (vmail): Access denied for user 'vmail'@'localhost' (using password: YES) - waiting for 1 seconds before retry //6 more repeats// Aug 15 08:06:31 auth: Error: auth worker: Aborted PASSV request for voytek(a)sbt.net.au: Lookup timed out Aug 15 08:06:31 auth-worker(9763): Error: sql(voytek(a)sbt.net.au,127.0.0.1,<9/h93L1WqLt/AAAB>): Password query failed: Not connected to database Aug 15 08:06:31 auth-worker(9763): Warning: Auth master disconnected us while handling request for voytek(a)sbt.net.au for 60 secs (result=FAIL) Aug 15 08:06:31 auth-worker(9780): Error: mysql(127.0.0.1): Connect failed to database (vmail): Access denied for user 'vmail'@'localhost' (using password: YES) - waiting for 1 seconds before retry Aug 15 08:06:32 auth-worker(9780): Error: mysql(127.0.0.1): Connect failed to database (vmail): Access denied for user 'vmail'@'localhost' (using password: YES) - waiting for 5 seconds before retry //2 more repeats// oldserver & newserver # cat dovecot-mysql.conf driver = mysql default_pass_scheme = CRYPT connect = host=127.0.0.1 dbname=vmail user=vmail password=etXwz...trimmmed........... # Required by 'doveadm mailbox ...'. iterate_query = SELECT username AS user FROM mailbox password_query = SELECT password FROM mailbox WHERE username='%u' AND active='1' user_query = SELECT \ '%u' AS master_user, \ CONCAT(mailbox.storagebasedirectory, '/', mailbox.storagenode, '/', mailbox.maildir) AS home, \ CONCAT('*:bytes=', mailbox.quota*1048576) AS quota_rule \ FROM mailbox,domain \ WHERE mailbox.username='%u' \ AND mailbox.domain='%d' \ AND mailbox.`enable%Ls%Lc`=1 \ AND mailbox.domain=domain.domain \ AND domain.backupmx=0 \ AND domain.active=1 \ AND mailbox.active=1 # newserver # cat dovecot.conf # 2.1.17: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-642.15.1.el6.x86_64 x86_64 CentOS release 6.8 (Final) auth_master_user_separator = * auth_mechanisms = PLAIN LOGIN dict { acl = mysql:/etc/dovecot/dovecot-share-folder.conf quotadict = mysql:/etc/dovecot/dovecot-used-quota.conf } first_valid_uid = 2000 last_valid_uid = 2000 listen = * log_path = /var/log/dovecot.log mail_gid = 2000 mail_location = maildir:/%Lh/Maildir/:INDEX=/%Lh/Maildir/ mail_plugins = quota 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 ihave namespace { inbox = yes location = prefix = separator = / type = private } namespace { list = children location = maildir:/%%Lh/Maildir/:INDEX=/%%Lh/Maildir/Shared/%%u prefix = Shared/%%u/ separator = / subscriptions = yes type = shared } passdb { args = /etc/dovecot/dovecot-mysql.conf driver = sql } passdb { args = /etc/dovecot/dovecot-master-users-password driver = passwd-file master = yes } plugin { acl = vfile acl_shared_dict = proxy::acl auth_socket_path = /var/run/dovecot/auth-master autocreate = INBOX autocreate2 = Sent autocreate3 = Trash autocreate4 = Drafts autocreate5 = Junk autosubscribe = INBOX autosubscribe2 = Sent autosubscribe3 = Trash autosubscribe4 = Drafts autosubscribe5 = Junk mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size quota = dict:user::proxy::quotadict quota_rule = *:storage=1G quota_warning = storage=85%% quota-warning 85 %u quota_warning2 = storage=90%% quota-warning 90 %u quota_warning3 = storage=95%% quota-warning 95 %u sieve = /%Lh/sieve/dovecot.sieve sieve_dir = /%Lh/sieve sieve_global_dir = /var/vmail/sieve sieve_global_path = /var/vmail/sieve/dovecot.sieve } protocols = pop3 imap sieve service auth { unix_listener /var/spool/postfix/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 pop3-login { service_count = 1 } service quota-warning { executable = script /usr/local/bin/dovecot-quota-warning.sh unix_listener quota-warning { group = vmail mode = 0660 user = vmail } } ssl = required ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_key = </etc/pki/dovecot/private/dovecot.pem userdb { args = /etc/dovecot/dovecot-mysql.conf driver = sql } protocol lda { auth_socket_path = /var/run/dovecot/auth-master lda_mailbox_autocreate = yes log_path = /var/log/sieve.log mail_plugins = quota sieve autocreate postmaster_address = root } protocol imap { imap_client_workarounds = tb-extra-mailbox-sep mail_max_userip_connections = 60 mail_plugins = quota imap_quota autocreate } protocol pop3 { mail_plugins = quota pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xv }

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Re: migrating 2.1 to 3.x, sql pass scheme, pass value?
by voytek＠sbt.net.au 15 Aug '17

15 Aug '17

On Tue, August 15, 2017 9:31 pm, Ivan Warren wrote: > MariaDB [test]> GRANT SELECT on test to 'test'@'127.0.0.1' identified by > >> pasword('test1234'); ERROR 1064 (42000): You have an error in your SQL >> syntax; check the manual that corresponds to your MariaDB server version >> for the right syntax to use near 'pasword('test1234')' at line 1 MariaDB >> [test]> >> > A bit OT but... > > > It's either identified by 'YourPassword'; > or Identified by password 'YourPasswordHash'; > > > https://dev.mysql.com/doc/refman/5.7/en/create-user.html Ivan, thanks! syntax fixed, I'll try as root MariaDB [test]> GRANT SELECT on test to 'test'@'127.0.0.1' identified by 'test1234'; ERROR 1142 (42000): GRANT command denied to user 'test'@'localhost' for table 'test' MariaDB [test]> GRANT SELECT on test to 'test'@'127.0.0.1' identified by password'*3D3B92F242033365AE5BC6A8E6FC3E1679F4140A'; ERROR 1142 (42000): GRANT command denied to user 'test'@'localhost' for table 'test'

1 0

Metrics service
by Aki Tuomi 15 Aug '17

15 Aug '17

Hi! All of you running dovecot v2.2.27 or later, are now able to take advantage of our free metrics service at https://metrics.dovecot.org. To use it, set auth_stats=yes mail_plugins = $mail_plugins stats stats_carbon_server = 94.237.81.63 # or stats_carbon_server = [2a04:3542:1000:910:acc1:5bff:fe5e:8c2] stats_carbon_name = some-fancy-identifier-without-a-dot plugin { stats_refresh = 30s } And your server should become listed once someone logs in. Note that it will only work from backends today, it will not work from proxies or directors. This service is provided for free, and we might add or remove metrics from it. Please do not spam it (keep refresh and stats_carbon_interval *AT LEAST* 30 seconds). Also note that since this is a public service, all stats are viewable by anyone. We are open for any feedback, questions or comments for this service. Regards, Aki Tuomi Dovecot oy

3 2

Mailbox Alias
by zyrixx 15 Aug '17

15 Aug '17

Hello, I have dovecot with Outlook and Roundcube in the employment and with me the Mailboxaliase does not work. The folders are still different and each client creates its own. I thought that the aliases then fell away. Even on a new test system is not. local.conf: namespace inbox { mailbox Sent { auto = create # or subscribe special_use = \Sent } mailbox Trash { auto = create special_use = \Trash } } mail_plugins = $mail_plugins mailbox_alias plugin { mailbox_alias_old = Trash mailbox_alias_new = Deleted mailbox_alias_old2 = Sent mailbox_alias_new2 = Sendet mailbox_alias_old3 = Trash mailbox_alias_new3 = Gel&APY-schte Elemente mailbox_alias_old4 = Sent mailbox_alias_new4 = Gesendete Elemente mailbox_alias_old5 = Trash mailbox_alias_new5 = Trasher mailbox_alias_old6 = Sent mailbox_alias_new6 = Sender } Does somebody has any idea? Tanks for all.

3 4

Latest Virtual Plugin changes seem to have broken flag changes: 2.2.devel (bf2fa36)
by Thomas Leuxner 14 Aug '17

14 Aug '17

Hi, I’m using several views like this: # cat Dovecot/dovecot-virtual :public/Archive/Mailing-Lists/Dovecot/* :public/Mailing-Lists/Dovecot all Before the recent changes read mail stayed in sync with the virtual folder. Now regardless whether mail is read in the original Folder or the virtual Folder, the flags are not synchronized anymore. Read mail is flagged unread in the corresponding folder. Regards Thomas

2 6

Postfix+PostfixAdmin+Dovecot
by Randy Gordey 14 Aug '17

14 Aug '17

I got postfix and PostfixAdmin working and I am trying to get Dovecot to use the same SQL databases. This is all it says when I telnet in: [root@fedora dovecot]# telnet 192.168.1.200 143 Trying 192.168.1.200... Connected to 192.168.1.200. Escape character is '^]'. * BYE Disconnected: Auth process broken Connection closed by foreign host. [root@fedora dovecot]# Please help me diagnose what is wrong? [root@fedora dovecot]# dovecot --version 2.2.31 (65cde28) [root@fedora dovecot]# [root@fedora dovecot]# dovecot -n # 2.2.31 (65cde28): /etc/dovecot/dovecot.conf doveconf: Warning: NOTE: You can get a new clean config file with: doveconf -n > dovecot-new.conf doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:128: protocol { ssl_listen } has been replaced by service { inet_listener { address } } # OS: Linux 4.11.11-300.fc26.x86_64 x86_64 Fedora release 26 (Twenty Six) auth_default_realm = gordeys.com auth_mechanisms = plain login disable_plaintext_auth = no first_valid_uid = 2222 listen = * mail_location = maildir:/var/mail/vmail/%u/ 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 driver = sql } service imap-login { inet_listener imaps { address = * } } service pop3-login { inet_listener pop3s { address = * } } 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 = /etc/dovecot/dovecot-sql.conf driver = sql } [root@fedora dovecot]# [root@fedora dovecot]# more dovecot-sql.conf connect = host=localhost dbname=postfix user=postfix password=postfix # Use either driver = mysql # Or # driver = pgsql # Default password scheme - change to match your Postfixadmin setting. # depends on your $CONF['encrypt'] setting: # md5crypt -> MD5-CRYPT # md5 -> PLAIN-MD5 # cleartext -> PLAIN default_pass_scheme = MD5-CRYPT # Query to retrieve password. user can be used to retrieve username in other # formats also. password_query = SELECT username AS user,password FROM mailbox WHERE username = '%u' AND active='1' # Query to retrieve password. user can be used to retrieve username in other # formats also. password_query = SELECT username AS user,password FROM mailbox WHERE username = '%u' AND active='1' # Query to retrieve user information, note uid matches dovecot.conf AND Postfix virtual_uid_maps param eter. user_query = SELECT maildir, 1001 AS uid, 1001 AS gid FROM mailbox WHERE username = '%u' AND active='1 ' # MYSQL : user_query = SELECT CONCAT('/var/vmail/mail/', maildir) AS home, 1001 AS uid, 1001 AS gid, CONCAT('*:bytes=', quota) AS quota_rule FROM mailbox WHERE username = '%u' AND active='1' # PostgreSQL : (no Quota though) : # user_query = SELECT '/var/vmail/mail/' || maildir AS home, 1001 as uid, 1001 as gid FROM mailbox WHE RE username = '%u' AND active = '1' [root@fedora dovecot]#

1 0

Re: Certificate cache on iOS with sending mail
by Alef Veld 14 Aug '17

14 Aug '17

Sent from my iPhone > On 14 Aug 2017, at 13:03, Alef Veld <alefveld(a)outlook.com> wrote: > > Hey Mike. > The iPhone and MacBook started working, but the two remaining iMacs still have problems. It's really weird. But if the first 2 are working it MUST be something local right? > > I removed the servers and re-added but no go. Maybe I'll need to remove the plist files. I'm just desperate as I have clients that are working. > > Sent from my iPhone > >> On 14 Aug 2017, at 07:48, Mike Bobkiewicz <netadmin(a)heinatz.hamburg> wrote: >> >> Hi Alef, >> >> most of the times the problem is with Apple´s Mail apps: best bet is to delete the smtp servers on both Mac and iOS and add them again. I´ve spend quite some time figuring out what might be wrong with serveral mail servers but sometimes the Mail apps just kill their prefs. >> >> If you´re still searching the certs on the Mac side: They´re stored in the key chain. >> >> Hope that helps, >> >> Mike >> >> >>> Am 11.08.2017 um 01:15 schrieb Alef Veld: >>> And iPhone just sits there for a long time, "sending". Sometimes it goes through sometimes it doesn't. >>> >>> It's super weird but it has to do with SSL_accept and not reading the message fully. >>> >>> I might restore my old certs see if that solves it. I'll try some other clients and ip addresses as well, outlook or something. >>> >>> Sent from my iPhone >>> >>>> On 11 Aug 2017, at 00:08, Alef Veld <alefveld(a)outlook.com> wrote: >>>> >>>> I deleted the certificate already, but I think it only uses that for imap/dovecot. I don't think it actually stores one for smtps (or am I not talking sense here). >>>> >>>> Sent from my iPhone >>>> >>>>> On 10 Aug 2017, at 23:25, Joseph Tam <jtam.home(a)gmail.com> wrote: >>>>> >>>>> >>>>>> On Thu, 10 Aug 2017, Larry Rosenman wrote: >>>>>> >>>>>> Which mail client on iOS? >>>>> Sorry, maybe not iOS, but definitely MacOSX Mail app. >>>>> >>>>> Joseph Tam <jtam.home(a)gmail.com> >> >> -- >> Mit freundlichen Grüßen >> >> Mike Bobkiewicz >> Heinatz GmbH >> >> Gutenbergring 9 >> 22848 Norderstedt >> >> 0049 40 527 20 30 >> 0049 40 527 86 49 >> >> e-mail: netadmin(a)heinatz.hamburg >> www.heinatz.hamburg >> >> Heinatz GmbH >> Firmensitz: Gutenbergring 9, 22848 Norderstedt >> Registergericht: Amtsgericht Kiel, HRB 4787 NO >> Geschäftsführer: Frank Heinatz >> >>

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Puzzled about LIST "" * behaviour
by Benoit Panizzon 14 Aug '17

14 Aug '17

Hi there I'm preparing to copy emails from one dovecot to another dovecot server via imapsync. Now imapsync does not get the folder list. So I sniffed the connection and I am trying to reproduce via telnet. I do via different concurrent connections. . login user password . list "" * Now this is what completely puzzles me. sometimes I get the list of all folders, sometimes I only get the INBOX imapsync seems to only ever get the INBOX and no other folders. But I type in the very same commands! I have not yet figured out what sometimes causes me to get the full list and sometimes only a partial one. Is it some timing issue? Does it matter if the user is already logged in from another ip? Any hints welcome. -Benoît Panizzon- -- I m p r o W a r e A G - Leiter Commerce Kunden ______________________________________________________ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 Pratteln Fax +41 61 826 93 01 Schweiz Web http://www.imp.ch ______________________________________________________

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[Dovecot] [PATCH, RFC] add APOP authentication mechanism
by Andrey Panin 14 Aug '17

14 Aug '17

Hello all, this patch add APOP authentication mechanism to dovecot 1.0-test23. Please take a look. Best regards. -- Andrey Panin | Linux and UNIX system administrator pazke(a)donpac.ru | PGP key: wwwkeys.pgp.net

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(Solved) Re: Upgrade path from MySQL to MariaDB broken? (Akonadi)
by Volker Wysk 14 Aug '17

14 Aug '17

Hello! I've found it out, how you can solve/work around the problem: Nextcloud needs MariaDB. It won't work (so it seems) with MySQL. So mariadb- server needs to be installed. This replaces MySQL (mysql-server-core-5.7 and mysql-client-core-5.7) with MariaDB. The problem is that after that, Akonadi won't start any longer. "aconadictl start" outputs a lot of messages. The problem can be repaired by doing this, after the installation of MariaDB: akonadictl stop rm -r ~/.local/share/akonadi akonadictl start Bye, Volker

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2.1 to 2.2.31 on new server?
by voytek＠sbt.net.au 13 Aug '17

13 Aug '17

I have a Centos 6 server with Dovecot 2.1.17/mysql/virtual domains I'm setting a new Centos 7 server, and, aim to install 2.2.31 from Ghetoforge dumb question, can I install 2.3 on new server, then, copy old /etc/dovecot tree to new /etc/dovecot ? appreciate any tips and advice, V

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new install on Centos 7
by voytek＠sbt.net.au 12 Aug '17

12 Aug '17

I currently have Postfix Dovecot MySQL on Centos 6, looking at migrating to new server new server is CentOS 7.3, but, the Centos repo version is dovecot x86_64 1:2.2.10-7.el7 what is the best way to install current release Dovecot on a new server ? tia, V

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Re: new install on Centos 7
by Joseph Tam 11 Aug '17

11 Aug '17

>> Or consider compiling it yourself from source. It may be more work, but >> you get complete control over your versioning, your package dependencies, >> etc. If a bug that affects you gets fixed on a bleeding edge version >> (or is only available as a patch), you can fix it right away rather than >> waiting for the package maintainer to catch up to it. > > Or just ping me in #ghettoforge on Freenode and I'll generally get it > fixed quickly, if I haven't already seen it on the list and fixed it. Not all package maintainers are as responsive as you are. I've lost count of the number of problems reported here, where people could not move from version 1.x, because their repo did not have anything newer, or for reason out of their control, they can't update because it would/could break something else. > There are downsides to compiling yourself. To be sure. (Incidentally, auto-updates are sometimes *not* what people want -- stability of a working system is paramount over anything that might jeopardize that.) Compiling from source is not everybody's cup of tea, but it does allow complete control over the build. Repo-packages usually are built with kitchen-sink options, which may not suit everyone. Joseph Tam <jtam.home(a)gmail.com>

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Re: Certificate cache on iOS with sending mail
by Joseph Tam 11 Aug '17

11 Aug '17

On Thu, 10 Aug 2017, Larry Rosenman wrote: > Which mail client on iOS? Sorry, maybe not iOS, but definitely MacOSX Mail app. Joseph Tam <jtam.home(a)gmail.com>

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Re: Certificate cache on iOS with sending mail
by Joseph Tam 11 Aug '17

11 Aug '17

Alef Veld writes: >> I'm wondering if there is any cache for a certificate or something, my >> maillog shows up something like 10 bytes read, -1. So it returns an >> error. I deleted the accounts and created them again, still no go. >> >> Anyone had anything similar before? On top of the usual mail set up problems (and it appears to be some SSL/STARTLS port number mismatch), setting up a iPhone/MacOSX mail client can be an exercise in frustration as cause and effect may not be synchronous. What can happen is that after setting up parameters, if they don't work (owing to misconfiguration or transient network problem), your mail client will start varying the mail parameters (port #, TLS/SSL parameters, with/without domain, etc.) in hopes of finding something that works. Sort of auto-discovery/auto-correction. All of a sudden, without apparent cause, it will bump into the right settings (which may co-incide with your original settings) and it will start working. Uber confusing. I believe if you disable the "Automatically manage connection" feature, it will make your settings fixed. This may not be the cause of your original problem, but at least you won't be trying to troubleshoot a moving target. Joseph Tam <jtam.home(a)gmail.com>

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Re: new install on Centos 7
by Joseph Tam 10 Aug '17

10 Aug '17

>> I currently have Postfix Dovecot MySQL on Centos 6, looking at migrating >> to new server >> >> new server is CentOS 7.3, but, the Centos repo version is >> >> dovecot x86_64 1:2.2.10-7.el7 >> >> what is the best way to install current release Dovecot on a new server ? > > GhettoForge has dovecot22 packages as well which provide the latest > stable version of Dovecot for CentOS 6 and 7. Or consider compiling it yourself from source. It may be more work, but you get complete control over your versioning, your package dependencies, etc. If a bug that affects you gets fixed on a bleeding edge version (or is only available as a patch), you can fix it right away rather than waiting for the package maintainer to catch up to it. Joseph Tam <jtam.home(a)gmail.com>

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Certificate cache on iOS with sending mail
by Alef Veld 10 Aug '17

10 Aug '17

So I generated a new certificate for dovecot, and ever since I have this weird problem that my iPhone can still receive mail but cannot send using that mailserver. Same for my iMac. My laptop works fine still and can do both. Local issue you would say right. I'm wondering if there is any cache for a certificate or something, my maillog shows up something like 10 bytes read, -1. So it returns an error. I deleted the accounts and created them again, still no go. Anyone had anything similar before? Sent from my iPhone

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dict client auth-worker service count not obeyed?
by Peter Mogensen 10 Aug '17

10 Aug '17

Hi, I've noticed that in recent dovecot versions at least since 2.2.29 and not in 2.2.12 a dovecot auth-worker will happily issue two Lshared/passdb... queries on the same dict socket. Not always, but sometimes. It used to be that the dict client always closed the socket (AFAIK) after 1 query. But now I see 2 queries issued on the same connection. How does this work wrt. the service_count limit of the auth worker process being default 1 ?? Is it not obeyed? /Peter

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Virtual mailboxes, index update issues
by Stefan Hagen 09 Aug '17

09 Aug '17

Hello, I noticed a strange behavor, where I would like to ask for help. I have set up a few virtual mailboxes using the Virtual plugin. These mailboxes are: - Unread (all undread in all mailboxes) - LastDay (last 24h of all mailboxes) - LastWeek (last 7 days of all mailboxes) ... The virtual mailboxes in general are working great. However, there is one annoying behavior I would like to fix. If I define my virtual mailboxes like this: namespace inbox { inbox = yes prefix = "Virtual/" separator = / location = "virtual:~/.emails_virtual:LAYOUT=fs" list = yes subscriptions = yes } All programs can work with this mailbox. However, the index are not kept in sync. Let's say I mark some emails as "read" in the "Unread" mailbox, then they will still be in "unread"-state in the LastDay and LastWeek mailboxes. This is annoying. And there is a fix for it... location = "virtual:~/.emails_virtual:LAYOUT=fs:INDEX=MEMORY" Once I set INDEX=MEMORY, the mailbox refresh happens instantly. Marking an email as "read" in the "Unread" mailbox will instantly set it as "read" in the other mailboxes as well. However, many mail programs (mainly clients on OSX and iOS) have trouble and freak out with a refresh loop once I open these mailboxes. One client specifically complained about UID validity issues, which leads me to believe that UIDs are generated on the fly and are not stable when INDEX is set to MEMORY? How can I keep my virtual mailboxes in sync? Shouldn't they stay in sync even when INDEX=MEMORY is *not* set? I tried to set INDEX to a directory - it didn't help. Best Regards, Stefan Files: - 15-mailboxes.conf: https://gist.github.com/e54d458ece16ad6f29b536fa840e99ec - dovecot version: 2.2.31 (65cde28) - OS: FreeBSD 11.0-RELEASE-p11 -- Stefan Hagen @: post(a)herrhagen.de T: +49 (0) 151 623 456 01 PGP: 0x8B8BD6DB

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Re: IMAP From sort uses only local-part
by Paul 08 Aug '17

08 Aug '17

On August 7, 2017, at 2:56pm, Michael Slusarz wrote: > This is the RFC 5256 compliant behavior.? From is sorted on addr-mailbox.? Interesting. I can't be the only person who's found this to be a limitation, right? It would be very useful to sort by actual sender, not just to group all the michael@'s together, then all the paul@'s, etc. I'm just a user looking for a workaround, not a protocol architect, but it looks like the RFC also specifies that SORT is extensible, so maybe the most correct, if not the easiest, solution would be to define a new sort key such as DOMAIN.

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Re: Auth Policy Server/wforce/weakforced
by Daniel Miller 08 Aug '17

08 Aug '17

On 8/4/2017 12:48 PM, Daniel Miller wrote: > On 8/3/2017 6:11 AM, Teemu Huovila wrote: >> >> On 02.08.2017 23:35, Daniel Miller wrote: >>> Is there explicit documentation available for the (probably trivial) >>> configuration needed for Dovecot and Wforce? I'm probably missing >>> something that should be perfectly obvious... >>> >>> Wforce appears to start without errors. I added a file to dovecot's >>> conf.d: >>> >>> 95-policy.conf: >>> auth_policy_server_url = http://localhost:8084/ >>> auth_policy_hash_nonce = this_is_my_super_secret_something >>> >>> Looking at the Wforce console I see: >>> >>> WforceWebserver: HTTP Request "/" from 127.0.0.1:45108: Web >>> Authentication failed >>> >>> In wforce.conf I have the (default): >>> >>> webserver("0.0.0.0:8084", "--WEBPWD") >>> >>> Do I need to change the "--WEBPWD"? Do I need to specify something >>> in the Dovecot config? >> You could try putting an actual password, in plain text, where >> --WEBPWD is. Then add that base64 encoded to dovecot setting >> auth_policy_server_api_header. >> > I knew it would be something like that. I've made some changes but > I'm still not there. I presently have: > > webserver("0.0.0.0:8084", "--WEBPWD ultra-secret-secure-safe") > in wforce.conf (and I've tried with and without the --WEBPWD) > > and > > auth_policy_server_api_header = Authorization: Basic > dWx0cmEtc2VjcmV0LXNlY3VyZS1zYWZl > in 95-policy.conf for dovecot > > Obviously I'm still formatting something wrong. > I think I've got something working a little better. I'm using: webserver("0.0.0.0:8084", "ultra-secret-secure-safe") (so I remove the --WEBPWD - that's a placeholder, not a argument declaration) and for dovecot, the base64 encoding needs to be "wforce:password" instead of just the password. Now I have to see what else needs to be tweaked. Daniel

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[master-2.2] 4118e86
by Armin Tüting 08 Aug '17

08 Aug '17

quota-status.c: In function ‘client_handle_request’: quota-status.c:98:10: warning: passing argument 4 of ‘message_detail_address_parse’ from incompatible pointer type [enabled by default] &detail); ^ In file included from quota-status.c:14:0: ../../../src/lib-mail/message-address.h:38:6: note: expected ‘const char **’ but argument is of type ‘char *’ void message_detail_address_parse(const char *delimiter_string, ^ quota-status.c:98:10: error: too many arguments to function ‘message_detail_address_parse’ &detail); ^ In file included from quota-status.c:14:0: ../../../src/lib-mail/message-address.h:38:6: note: declared here void message_detail_address_parse(const char *delimiter_string,

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Dovecot infrastructure
by Simone Marx :: Edinet Srl 08 Aug '17

08 Aug '17

Hi, I would need some suggestion for a dovecot based mail infrastructure. Actually, only one server (with dovecot sendmail amavis spamassassin clamav etc etc) is no longer enouth, so I thought I would put on a more complex infrastructure on different servers. But I do not know a few things. I was thinking about partitioning users on 3-4 servers with dovecot (imap / pop3) and dovecot-lda (no networked filesystem between them) and then configuring 1-2 servers with dovecot director and 1-2 servers for SMTP with postfix. It is not clear how the director will map user -> server to be used and, in a user virtualization context (maybe on MySQL) what is the owner / permissions I should give to home folders where I will store mail Thank you. Simone.

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IMAP From sort uses only local-part
by Paul 08 Aug '17

08 Aug '17

As far as I can tell, when I ask Dovecot to sort an IMAP mailbox by the >From address, it ignores the part of the address after the '@'. So, for instance, mails from info(a)abc.org, info(a)xyz.org, and info(a)ghi.org are all mingled together in arrival order. Is there a way to change this? Thanks!

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dovecot 2.2.28 password auth with openldap
by Markus Rosjat 07 Aug '17

07 Aug '17

Hi there, I desperatly trying to store a BLF-CRYPT password hash in an LDAP userPassword Attribute and get dovecot to authenticate against it. I use a thunderbird as client and send the password plain with starttls. what worked so far but is kinda problematic for my smtp authenticaton was to store the has with the prefix {CRYPT} or {BLF-CRYPT}. Is there a way to get dovecot to authenticate without storing the prefix in the LDAP attribute ? regards -- Markus Rosjat fon: +49 351 8107223 mail: rosjat(a)ghweb.de G+H Webservice GbR Gorzolla, Herrmann Königsbrücker Str. 70, 01099 Dresden http://www.ghweb.de fon: +49 351 8107220 fax: +49 351 8107227 Bitte prüfen Sie, ob diese Mail wirklich ausgedruckt werden muss! Before you print it, think about your responsibility and commitment to the ENVIRONMENT

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Re: dovecot Digest, Vol 172, Issue 8
by Ken Zachreson 06 Aug '17

06 Aug '17

Help Thank You, Ken Zachreson On Aug 6, 2017 2:00 AM, dovecot-request(a)dovecot.org wrote: ATTENTION: This email was sent from someone outside of GCRC. Always use caution when opening attachments or clicking links, and when receiving unexpected emails. Send dovecot mailing list submissions to dovecot(a)dovecot.org To subscribe or unsubscribe via the World Wide Web, visit https://dovecot.org/mailman/listinfo/dovecot or, via email, send a message with subject or body 'help' to dovecot-request(a)dovecot.org You can reach the person managing the list at dovecot-owner(a)dovecot.org When replying, please edit your Subject line so it is more specific than "Re: Contents of dovecot digest..." Today's Topics: 1. Re: Corrupted SSL parameters file in state_dir: ssl-parameters.dat (Terry Jones) 2. Using Dovecot for IMAP/POP and SMTP (Kenneth Ulrich) 3. Re: Using Dovecot for IMAP/POP and SMTP (Larry Rosenman) 4. Re: Using Dovecot for IMAP/POP and SMTP (Randy Bush) ---------------------------------------------------------------------- Message: 1 Date: Sat, 5 Aug 2017 11:55:49 +0100 From: Terry Jones <r.a.n.domdev4+dovecot(a)gmail.com> To: Joseph Tam <jtam.home(a)gmail.com> Cc: dovecot(a)dovecot.org Subject: Re: Corrupted SSL parameters file in state_dir: ssl-parameters.dat Message-ID: <CA+HuS5GLWxSq6fxh8pg4RXsYOOUBa0gLqTQ-Pt0Xs-fC1pfmYQ(a)mail.gmail.com> Content-Type: text/plain; charset="UTF-8" > > > Your timestamps suggest you did this the other way around. > > Aki mentioned that issue is/will be fixed, but DH parameters can take a > *very* long time to generate if you're unlucky, so maybe it's a timing > issue (using the service before the DH parameters was ready.) > I think I would ask you to ignore the timestamps in this instance. I can tell you from fact that I deleted the old .dat file, restarted dovecot, and waited for it to regenerate the file (i.e. there was nothing there, and then there was ...). So I can guarantee you that the file there at the moment very much is a new file, and that I waited for that new file before testing again. ------------------------------ Message: 2 Date: Sat, 5 Aug 2017 20:14:57 -0500 From: Kenneth Ulrich <ulrichkenneth(a)gmail.com> To: dovecot(a)dovecot.org Subject: Using Dovecot for IMAP/POP and SMTP Message-ID: <CACSvXraiWV_JkJ=bZmnNV6Axs8ziWb_8ywN0beyB1fkRJ3RLSg(a)mail.gmail.com> Content-Type: text/plain; charset="UTF-8" All, I was wondering if it is possible to use Dovecot as both incoming and outgoing. I have a friend that I am helping build a server, and he plans on using Dovecot for POP/IMAP and Postfix for SMTP and mailbox storage. If I understand right, Dovecot can handle both services and that is the path I would like him to take for easier maintenance. Can someone confirm this? ------------------------------ Message: 3 Date: Sat, 5 Aug 2017 20:18:18 -0500 From: Larry Rosenman <larryrtx(a)gmail.com> To: Dovecot Mailing List <dovecot(a)dovecot.org> Subject: Re: Using Dovecot for IMAP/POP and SMTP Message-ID: <CA+S=X75hvJU+Y5tiUCcLAC9kDLsDQhOwqMu7Q7Em6oXD_sG8YQ(a)mail.gmail.com> Content-Type: text/plain; charset="UTF-8" No. Dovecot is JUST an IMAP/Pop3 server. SMTP *MUST* be handled via an MTA (Mail transport agent). Exim, Postfix, Sendmail, qmail, others are MTA's for SMTP. On 8/5/17, Kenneth Ulrich <ulrichkenneth(a)gmail.com> wrote: > All, > > I was wondering if it is possible to use Dovecot as both incoming and > outgoing. > > I have a friend that I am helping build a server, and he plans on using > Dovecot for POP/IMAP and Postfix for SMTP and mailbox storage. > > If I understand right, Dovecot can handle both services and that is the > path I would like him to take for easier maintenance. > > Can someone confirm this? > -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 (c) E-Mail: larryrtx(a)gmail.com US Mail: 17716 Limpia Crk, Round Rock, TX 78664-7281 ------------------------------ Message: 4 Date: Sun, 06 Aug 2017 10:48:58 +0900 From: Randy Bush <randy(a)psg.com> To: Kenneth Ulrich <ulrichkenneth(a)gmail.com> Cc: dovecot(a)dovecot.org Subject: Re: Using Dovecot for IMAP/POP and SMTP Message-ID: <m2tw1lihyt.wl-randy(a)psg.com> Content-Type: text/plain; charset=US-ASCII > I was wondering if it is possible to use Dovecot as both incoming and > outgoing. no. but if it was systemd it would, and pick up the paper post too. randy ------------------------------ Subject: Digest Footer _______________________________________________ dovecot mailing list dovecot(a)dovecot.org https://dovecot.org/mailman/listinfo/dovecot ------------------------------ End of dovecot Digest, Vol 172, Issue 8 ***************************************

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Using Dovecot for IMAP/POP and SMTP
by Kenneth Ulrich 06 Aug '17

06 Aug '17

All, I was wondering if it is possible to use Dovecot as both incoming and outgoing. I have a friend that I am helping build a server, and he plans on using Dovecot for POP/IMAP and Postfix for SMTP and mailbox storage. If I understand right, Dovecot can handle both services and that is the path I would like him to take for easier maintenance. Can someone confirm this?

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Re: Corrupted SSL parameters file in state_dir: ssl-parameters.dat
by Joseph Tam 05 Aug '17

05 Aug '17

> But if I enable SSL, the doveadm backup on the remote machine hangs. > And the destination machine prints the following two massages in the > logs : > > Aug 4 17:10:31 bbb dovecot: doveadm: Error: Corrupted SSL parameters > file in state_dir: ssl-parameters.dat - disabling SSL 360 > Aug 4 17:10:31 bbb dovecot: doveadm: Error: Couldn't initialize SSL > parameters, disabling SSL > > > BUT : > > (1) /var/lib/dovecot/ssl-parameters.dat *DOES* exist. > and > (2) If I delete it and restart dovecot, it successully re-creates it, as per > Aug 4 17:02:32 bbb dovecot: ssl-params: Generating SSL parameters > Aug 4 17:06:58 bbb dovecot: ssl-params: SSL parameters regeneration completed Your timestamps suggest you did this the other way around. Aki mentioned that issue is/will be fixed, but DH parameters can take a *very* long time to generate if you're unlucky, so maybe it's a timing issue (using the service before the DH parameters was ready.) Joseph Tam <jtam.home(a)gmail.com>

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Re: Doveadm-sync SSH practicalities
by Joseph Tam 05 Aug '17

05 Aug '17

Terry Jones wrote: > The documentation is somewhat silent on this subject. If you mean https://wiki.dovecot.org/Tools/Doveadm/Sync the answers seem implicit to what's been stated. > What permissions does the SSH user need ? To be able to run the doveadm executable (or a wrapper script that eventually runs doveadm) on the remote side. > How associated does it need to be with things like dovecot directory > ownership etc ? It will take uid/gid directly from the login privileges unless you use a wrapper script that changes UID/GID. This may be necessary if you use remote-prefix option for remapping virtual users and user@domain to another UID/GID. > Obviously my dovecot daemon processes are running as restricted users > with "nologin" shells etc., and I don't really want to go opening > them up if I don't have to. It doesn't seem possible: you'll need to be able to set up the other endpoint of communication. You may be able to lock down the shell by replacing it with a fixed doveadm and arguments, or perhaps by fiddling with keys and the forced command feature of ssh, after working out the security issues. Depending on your use-case, you might be better off using one of the other transport methods. Do you actually need per-user syncing? Joseph Tam <jtam.home(a)gmail.com>

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Auth Policy Server/wforce/weakforced
by Daniel Miller 04 Aug '17

04 Aug '17

Is there explicit documentation available for the (probably trivial) configuration needed for Dovecot and Wforce? I'm probably missing something that should be perfectly obvious... Wforce appears to start without errors. I added a file to dovecot's conf.d: 95-policy.conf: auth_policy_server_url = http://localhost:8084/ auth_policy_hash_nonce = this_is_my_super_secret_something Looking at the Wforce console I see: WforceWebserver: HTTP Request "/" from 127.0.0.1:45108: Web Authentication failed In wforce.conf I have the (default): webserver("0.0.0.0:8084", "--WEBPWD") Do I need to change the "--WEBPWD"? Do I need to specify something in the Dovecot config? -- Daniel

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Corrupted SSL parameters file in state_dir: ssl-parameters.dat
by Terry Jones 04 Aug '17

04 Aug '17

Dovecot 2.2.10 Centos 7 Linux 3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Jul 4 15:04:05 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux I have been experimenting with backup options to another server using dovadm and was trying to use the doveadm service as a workaround seeing as I couldn't decipher what the docs were saying about ssh. My doveadm stanza looks as follows: service doveadm { inet_listener { port = 10101 ssl = yes } } If "ssl=no", a pushed "doveadm backup" from the remote machine works OK. But if I enable SSL, the doveadm backup on the remote machine hangs. And the destination machine prints the following two massages in the logs : Aug 4 17:10:31 bbb dovecot: doveadm: Error: Corrupted SSL parameters file in state_dir: ssl-parameters.dat - disabling SSL 360 Aug 4 17:10:31 bbb dovecot: doveadm: Error: Couldn't initialize SSL parameters, disabling SSL BUT : (1) /var/lib/dovecot/ssl-parameters.dat *DOES* exist. and (2) If I delete it and restart dovecot, it successully re-creates it, as per Aug 4 17:02:32 bbb dovecot: ssl-params: Generating SSL parameters Aug 4 17:06:58 bbb dovecot: ssl-params: SSL parameters regeneration completed

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Problem switching from LDA to LMTP (with Postfix)
by Nikolaos Milas 04 Aug '17

04 Aug '17

Hello, I am trying to switch from LDA to LMTP on a Postfix/Dovecot setup, but something is going wrong. I have followed the directions at: https://wiki.dovecot.org/HowTo/PostfixDovecotLMTP Here is a session from dovecot.log: Aug 4 12:19:42 vmail2 dovecot: lmtp(3152): Connect from local Aug 4 12:19:42 vmail2 dovecot: auth: ldap(imaptester(a)noa.gr): unknown user Aug 4 12:19:42 vmail2 dovecot: lmtp(3152): Disconnect from local: Successful quit Aug 4 12:19:42 vmail2 dovecot: lmtp(3152): Connect from local Aug 4 12:19:42 vmail2 dovecot: auth: ldap(nmilas(a)noa.gr): unknown user Aug 4 12:19:42 vmail2 dovecot: lmtp(3152): Disconnect from local: Successful quit Aug 4 12:19:42 vmail2 dovecot: imap(nmilas): save: box=Sent, uid=31, msgid=<c84ae059-854d-12bc-6aa2-9099cc2977b2(a)noa.gr>, size=445, vsize=459, from=Nikolaos Milas <nmilas(a)noa.gr>, subject=Test (12) - vmail2, flags=(\Seen) What is going wrong? It seems authentication is not working correctly with this setup. If understand right, dovecot is querying ldap with the whole mail address and not with the local part only (which is the username), as I would expect. What is the suggested course of action? With LDA it was working fine; here is a sample log entry: Aug 4 12:02:51 vmail2 dovecot: lda(imaptester): sieve: msgid=<768b056c-1d12-c9bd-0864-c3fc6a6dbeda(a)noa.gr>: stored mail into mailbox 'INBOX' Aug 4 12:02:51 vmail2 dovecot: imap(nmilas): save: box=Sent, uid=30, msgid=<768b056c-1d12-c9bd-0864-c3fc6a6dbeda(a)noa.gr>, size=445, vsize=459, from=Nikolaos Milas <nmilas(a)noa.gr>, subject=Test (11) - vmail2, flags=(\Seen) Aug 4 12:02:51 vmail2 dovecot: imap(nmilas): Connection closed (noop finished 0.372 secs ago) in=628 out=2145 Please help me to figure out how things should be. The config file follows: ----------------------------- CONFIG START -------------------------------- protocols = imap pop3 sieve lmtp login_greeting = NOA POP/IMAP Srv XAPITI XPICTOY mail_location = maildir:~/Maildir/ mail_gid = 500 mail_uid = 500 auth_mechanisms = plain login auth_username_format = %Lu auth_verbose = yes auth_debug = no mail_debug = no disable_plaintext_auth = no mail_plugins = quota mail_log notify protocol imap { imap_client_workarounds = "delay-newmail" mail_plugins = quota imap_quota mail_log notify mail_max_userip_connections = 400 } protocol pop3 { mail_max_userip_connections = 3 mail_plugins = quota notify pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xv } protocol lda { auth_socket_path = /var/run/dovecot/auth-master info_log_path = log_path = mail_plugins = quota notify sieve postmaster_address = sysadmin(a)noa.gr sendmail_path = /usr/lib/sendmail } protocol lmtp { auth_socket_path = /var/run/dovecot/auth-master postmaster_address = sysadmin(a)noa.gr mail_plugins = quota notify sieve sendmail_path = /usr/lib/sendmail } protocol sieve { managesieve_max_line_length = 65536 mail_max_userip_connections = 10 managesieve_logout_format = bytes=%i/%o managesieve_max_compile_errors = 10 } userdb { args = /etc/dovecot/dovecot-usrdb-ldap.conf driver = ldap } passdb { args = /etc/dovecot/dovecot-passdb-ldap.conf driver = ldap } plugin { mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename flag_change save mailbox_create mail_log_fields = uid box msgid size flags vsize from subject } plugin { quota = maildir:User quota quota_rule = *:storage=5G quota_rule2 = Trash:storage=+3%% quota_warning = storage=75%% quota-warning 75 %u quota_warning2 = storage=90%% quota-warning 90 %u } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve sieve_max_script_size = 0 sieve_max_actions = 0 sieve_max_redirects = 1 } service quota-warning { executable = script /opt/mail1.sh user = vmail unix_listener quota-warning { user = vmail } } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { group = vmail mode = 0660 user = vmail } user = root } service imap-login { service_count = 1 vsz_limit = 64 M process_limit = 500 process_min_avail = 2 } service pop3-login { service_count = 1 vsz_limit = 64 M } service managesieve-login { inet_listener sieve { port = 4190 } service_count = 1 process_min_avail = 0 vsz_limit = 64M } service managesieve { process_limit = 1024 } service imap { executable = imap postlogin process_limit = 2048 } service pop3 { executable = pop3 postlogin } service postlogin { executable = script-login -d rawlog unix_listener postlogin { } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } ssl_ca = </etc/pki/tls/certs/DigiCertCA.crt ssl_cert = </etc/pki/tls/certs/star_noa_gr-1243437.crt ssl_key = </etc/pki/tls/private/star_noa_gr-1243437.key ssl_protocols = !SSLv2 !SSLv3 syslog_facility = local1 ----------------------------- CONFIG END -------------------------------- FILE: /etc/dovecot/dovecot-usrdb-ldap.conf hosts = localhost tls = no base = ou=people, dc=noa, dc=gr scope = onelevel ldap_version = 3 dn = uid=auth,ou=Sys,dc=noa,dc=gr dnpass = secret auth_bind = yes user_filter = (uid=%u) pass_filter = (uid=%u) pass_attrs = uid=user,userPassword=password auth_bind_userdn = uid=%u,ou=people,dc=noa,dc=gr user_attrs = roomNumber=quota_rule=*:bytes=%$,uid=home=/home/vmail/%u iterate_filter = (objectClass=*) ---------------------------------------------------------------------------------------- Thanks in advance, Nick

2 2

proxy-dict with tcp connection
by Ralf Becker 04 Aug '17

04 Aug '17

I try to create a patch to allow (proxy-)dict to use tcp connections instead of a unix domain socket. I'm replacing connection_init_client_unix with connection_init_client_ip: --- ./src/lib-dict/dict-client.c.orig +++ ./src/lib-dict/dict-client.c @@ -721,6 +721,10 @@ client_dict_init(struct dict *driver, const char *uri, struct ioloop *old_ioloop = current_ioloop; struct client_dict *dict; const char *p, *dest_uri, *path; + const char *const *args; + unsigned int argc; + struct ip_addr ip; + in_port_t port=0; unsigned int idle_msecs = DICT_CLIENT_DEFAULT_TIMEOUT_MSECS; unsigned int warn_slow_msecs = DICT_CLIENT_DEFAULT_WARN_SLOW_MSECS; @@ -772,7 +776,21 @@ client_dict_init(struct dict *driver, const char *uri, dict->warn_slow_msecs = warn_slow_msecs; i_array_init(&dict->cmds, 32); - if (uri[0] == ':') { + args = t_strsplit(uri, ":"); + for(argc=0; args[argc] != NULL; argc++); + + if (argc == 3) { /* host:ip:somewhere --> argc == 3 */ + if (net_addr2ip(args[0], &ip) < 0) { + *error_r = t_strdup_printf("Invalid IP: %s in URI: %s", args[0], uri); + return -1; + } + if (net_str2port(args[1], &port) < 0) { + *error_r = t_strdup_printf("Invalid port: %s in URI: %s", args[1], uri); + return -1; + } + dest_uri = strrchr(uri, ':'); + } else if (uri[0] == ':') { /* default path */ path = t_strconcat(set->base_dir, "/"DEFAULT_DICT_SERVER_SOCKET_FNAME, NULL); @@ -784,7 +802,13 @@ client_dict_init(struct dict *driver, const char *uri, path = t_strconcat(set->base_dir, "/", t_strdup_until(uri, dest_uri), NULL); } - connection_init_client_unix(dict_connections, &dict->conn.conn, path); + if (port > 0) { + connection_init_client_ip(dict_connections, &dict->conn.conn, &ip, port); + } else { + connection_init_client_unix(dict_connections, &dict->conn.conn, path); + } dict->uri = i_strdup(dest_uri + 1); dict->ioloop = io_loop_create(); But unfortunately this crashes: Jul 28 13:20:04 auth: Error: auth worker: Aborted PASSL request for info(a)outdoor-training.de: Worker process died unexpectedly Jul 28 13:20:04 auth-worker(705): Fatal: master: service(auth-worker): child 705 killed with signal 11 (core dumped) Jul 28 13:20:04 doveadm(10.44.88.1,info(a)outdoor-training.de): Error: user info(a)outdoor-training.de: Auth PASS lookup failed It looks like the tcp connection gets opened non-blocking and the first write / dict lookup happens to early: 4303041 13:44:25.120398220 0 auth (29884) < connect res=-115(EINPROGRESS) tuple=172.18.0.2:47552->10.44.99.180:2001 Looking at dict-memcached-ascii.c I probably need to do something like: i_array_init(&dict->input_states, 4); i_array_init(&dict->replies, 4); dict->ioloop = io_loop_create(); io_loop_set_current(old_ioloop); *dict_r = &dict->dict; to wait until the socket is ready ... Any idea / tips? Ralf -- Ralf Becker EGroupware GmbH [www.egroupware.org] Handelsregister HRB Kaiserslautern 3587 Geschäftsführer Birgit und Ralf Becker Leibnizstr. 17, 67663 Kaiserslautern, Germany Telefon +49 631 31657-0

2 2

rawlog
by Matt Bryant 04 Aug '17

04 Aug '17

Hi, Trying to get rawlog working on dovecot 2.2.31 configured as per https://wiki2.dovecot.org/Debugging/Rawlog but a) it doesnt appear to be loggin anything b) rawlog_dir which is supposed to be v2.2.26+ seems no where in site .. in fact complains about unknown variable So does rawlog still do anything ???? Or am I missing something ... config is below .... # 2.2.19: /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.9 (357ac0a0e68b+) doveconf: Warning: service auth { client_limit=30000 } is lower than required under max. load (150032) doveconf: Warning: service anvil { client_limit=22000 } is lower than required under max. load (50027) # OS: Linux 3.10.0-327.4.4.el7.x86_64 x86_64 CentOS Linux release 7.2.1511 (Core) auth_cache_negative_ttl = 2 mins auth_cache_size = 10 M auth_cache_ttl = 10 mins auth_master_user_separator = * auth_mechanisms = plain login auth_worker_max_count = 10000 default_client_limit = 50000 default_process_limit = 50000 disable_plaintext_auth = no doveadm_password = # hidden, use -P to show it imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags imap_hibernate_timeout = 1 mins imap_idle_notify_interval = 1 mins login_greeting = IMAP/POP3 ready - dev-dh-ro-ms-001-b mail_attachment_dir = /var/lib/dovecot/attachments/%Ld mail_cache_min_mail_count = 5 mail_plugins = " notify replication quota virtual" 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 enotify environment mailbox date index ihave duplicate vacation-seconds spamtest spamtestplus editheader mbox_write_locks = fcntl mmap_disable = yes namespace { inbox = yes list = yes location = mailbox Archive { auto = create special_use = \Archive } mailbox Drafts { auto = create special_use = \Drafts } mailbox Sent { auto = create special_use = \Sent } mailbox Spam { auto = create special_use = \Junk } mailbox Trash { auto = create special_use = \Trash } prefix = INBOX/ separator = / type = private } namespace { list = no location = virtual:/var/lib/dovecot/virtual:INDEXPVT=~/virtual prefix = virtual/ separator = / type = private } passdb { args = /etc/dovecot/sql_users.conf driver = sql } plugin { mail_log_events = delete expunge mail_log_fields = uid box msgid size mail_replica = tcp:dev-ms-001-a:4000 quota = dict:UserQuota::file:%h/dovecot-quota quota_rule2 = INBOX/Trash:storage=+10%% sieve = file:~/sieve/user;active=~/.dovecot.sieve sieve_default = file:/var/lib/dovecot/sieve/default.sieve sieve_default_name = default sieve_editheader_max_header_size = 1k sieve_extensions = +spamtest +spamtestplus +editheader +vacation-seconds sieve_global = file:/var/lib/dovecot/sieve sieve_quota_max_scripts = 5 sieve_spamtest_max_value = 200 sieve_spamtest_status_header = X-Spam-score-int: -?([[:digit:]]+) sieve_spamtest_status_type = score sieve_vacation_default_period = 10d sieve_vacation_max_period = 30d sieve_vacation_min_period = 1s } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_fast_size_lookups = yes protocols = imap pop3 lmtp sieve replication_dsync_parameters = -d -n INBOX -l 30 -U service aggregator { fifo_listener replication-notify-fifo { user = vmail } unix_listener replication-notify { user = vmail } } service anvil { client_limit = 22000 } service auth-worker { user = $default_internal_user } service auth { client_limit = 30000 unix_listener auth_client { mode = 0660 user = exim } } service doveadm { client_limit = 1 inet_listener { address = * port = 4000 } process_limit = 80 process_min_avail = 8 service_count = 10 } service imap-hibernate { client_limit = 8000 process_limit = 8 process_min_avail = 8 service_count = 0 unix_listener imap-hibernate { group = vmail mode = 0660 } } service imap-login { client_limit = 8000 inet_listener imap { port = 143 } process_limit = 8 process_min_avail = 8 service_count = 0 } service imap { client_limit = 1 process_limit = 50000 service_count = 100 } service managesieve-login { client_limit = 1000 inet_listener sieve { port = 4190 } process_limit = 8 process_min_avail = 8 service_count = 0 } service managesieve { process_limit = 1024 } service pop3-login { client_limit = 1000 inet_listener pop3 { port = 110 } process_limit = 8 process_min_avail = 8 service_count = 0 } service pop3 { process_limit = 10000 } service postlogin { executable = script-login -d rawlog unix_listener postlogin { group = atmail mode = 0660 } } service replicator { process_min_avail = 1 unix_listener replicator-doveadm { group = atmail mode = 0660 } } shutdown_clients = no ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_key = </etc/pki/dovecot/private/dovecot.pem userdb { driver = prefetch } userdb { args = /etc/dovecot/sql_users.conf driver = sql } protocol imap { mail_max_userip_connections = 30000 mail_plugins = " notify replication quota virtual imap_quota" } protocol pop3 { mail_max_userip_connections = 30000 mail_plugins = " notify replication quota virtual" } protocol lmtp { auth_username_format = %Lu mail_plugins = " notify replication quota virtual sieve quota" postmaster_address = mailer-daemon }

3 3

Re: rawlog
by Joseph Tam 04 Aug '17

04 Aug '17

Matt Bryant wrote: > a) it doesnt appear to be loggin anything > b) rawlog_dir which is supposed to be v2.2.26+ seems no where in site .. > in fact complains about unknown variable > ... > service postlogin { > executable = script-login -d rawlog > unix_listener postlogin { > group = atmail > mode = 0660 > } > } In my test setup, I use the first option protocol imap { ... rawlog_dir = /data/rawlogs/%u } You may also want it into your protocol pop3 section. Joseph Tam <jtam.home(a)gmail.com>

1 0

pam auth problem
by Randy Bush 03 Aug '17

03 Aug '17

# dovecot --version 2.2.31 (65cde28) on freebsd 64 10.3 system converted to dovecot 2 against my will and consuming a lot of time sorting it out. i am glad google does not charge. have spent two hours on this one alone; and undoubtedly it is my st00pidity. so excuse my desperate posting to lazynet. cram-md5 works, pam not so much Aug 3 06:06:35 psg auth: in openpam_parse_chain(): /etc/pam.d/dovecot(1): missing or invalid facility Aug 3 06:06:35 psg dovecot: auth-worker(48815): Error: pam(elb,2604:6000:130d:c31b:d250:99ff:fe90:14dd,<Lyh6LtNVMq8mBGAAEw3DG9JQmf/+kBTd>): pam_start() failed: system error Aug 3 06:06:35 psg auth: in openpam_parse_chain(): /etc/pam.d/dovecot(1): missing or invalid facility Aug 3 06:06:35 psg dovecot: auth-worker(48815): Error: pam(elb,2604:6000:130d:c31b:d250:99ff:fe90:14dd,<Lyh6LtNVMq8mBGAAEw3DG9JQmf/+kBTd>): pam_start() failed: system error # 2.2.31 (65cde28): /usr/local/etc/dovecot/dovecot.conf # OS: FreeBSD 10.3-RELEASE-p20 amd64 auth_mechanisms = plain login cram-md5 first_valid_gid = 0 mail_location = mbox:~/mail/:INBOX=/var/mail/%u mail_privileged_group = mail namespace inbox { inbox = yes location = prefix = } passdb { args = scheme=cram-md5 /usr/local/etc/dovecot.cram-md5 driver = passwd-file name = passwd-file } passdb { driver = pam } passdb { driver = pam name = pam } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh protocols = imap pop3 service auth { unix_listener auth-userdb { group = mail } } service imap-login { inet_listener imaps { port = 993 ssl = yes } } service pop3-login { inet_listener pop3 { port = 110 } inet_listener pop3s { port = 995 ssl = yes } } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = # hidden, use -P to show it userdb { driver = passwd } # cat /etc/pam.d/dovecot passdb { driver = pam args = failure_show_msg=yes args = %s }

5 10

Replication and public folders with private (seen) flags
by Ralf Becker 03 Aug '17

03 Aug '17

We started using Dovecot replication between two nodes and noticed that our configured private flags (INDEXPVT) in public/shared mailboxes are not replicated. We are only replicating INBOX namespace, as we dont want to replicate content of shared mailboxes for every user again. Is there a way to replicate the INDEXPVT or is that not (yet) implemented? Dovecot versions: # 2.2.31 (65cde28): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.19 (e5c7051) # OS: Linux 4.4.0-87-generic x86_64 Using following namespaces: namespace inboxes { 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 Templates { auto = subscribe } mailbox Trash { auto = subscribe special_use = \Trash } prefix = INBOX/ separator = / subscriptions = no } namespace subs { hidden = yes list = no location = prefix = separator = / } namespace users { location = mdbox:%%h/mdbox:INDEXPVT=~/shared/%%u prefix = user/%%n/ separator = / subscriptions = no type = shared } And the following replication config: root@ka-nfs-mail:~# cat /etc/dovecot/replication.conf service aggregator { fifo_listener replication-notify-fifo { user = dovecot } unix_listener replication-notify { user = dovecot } } service replicator { process_min_avail = 1 unix_listener replicator-doveadm { group = dovecot user = dovecot mode = 0660 } } service doveadm { inet_listener { port = 12345 #ssl = yes } } doveadm_port = 12345 doveadm_password = ******* plugin { #mail_replica = tcp:10.44.99.1 # use doveadm_port mail_replica = tcp:10.44.88.1 # use doveadm_port } replication_dsync_parameters = -d -n INBOX -l 30 -U -- Ralf Becker EGroupware GmbH [www.egroupware.org] Handelsregister HRB Kaiserslautern 3587 Geschäftsführer Birgit und Ralf Becker Leibnizstr. 17, 67663 Kaiserslautern, Germany Telefon +49 631 31657-0

1 0

Doveadm-sync SSH practicalities
by Terry Jones 02 Aug '17

02 Aug '17

Hi, The documentation is somewhat silent on this subject. What permissions does the SSH user need ? How associated does it need to be with things like dovecot directory ownership etc ? Obviously my dovecot daemon processes are running as restricted users with "nologin" shells etc., and I don't really want to go opening them up if I don't have to. So could someone kindly please expand a little on how exactly doveadm-sync is supposed to work with SSH ? Thanks Terry

1 0

result of uid sort by subject
by TACHIBANA Masashi 02 Aug '17

02 Aug '17

Result of uid sort by subject is not expected. for example: Japanese => English => Japanese => English I'm now using Dovecot 2.2.31. command example: HNKK6 UID SORT (REVERSE SUBJECT) utf-7 ALL * SORT 3 1 7 2 4 10 11 8 12 HNKK6 OK Sort completed (0.002 + 0.041 + 0.001 secs). Any hint? -- Masashi Astro TACHIBANA QUALITIA CO., LTD. mailto:tachibana@qualitia.co.jp

2 2

Corrupt index files
by Bruce Guenter 02 Aug '17

02 Aug '17

I am running Dovecot IMAP on Linux, on a LizardFS storage cluster with Maildir storage. This has worked well for most of the accounts for several months. However in the last couple of weeks we are seeing increasing errors regarding corrupted index files. Some of the accounts affected are unable to retrieve messages due to timeouts. It appeared the problems were due to the accounts being accessed from multiple servers simultaneously, so I forced them all to access one server, but the errors remained. It looks like it has something to do with file locking, but LizardFS supports advisory file locking and I do have it enabled. Deleting the corrupted indexes fixes the problem for a while, but it eventually returns, particularly for some accounts. Here are some errors I'm seeing (just a random grab). Actual home directories are munged for confidentiality. imap[25157]: (clientes.standby) Error: Failed to fix view for HOME/clientes:standby/dovecot.index: Missing middle file seq=1 (between 1..1, we have seqs 8): File is already open imap[5565]: (stadiumchair) Error: Transaction log file HOME/stadiumchair/.Drafts/dovecot.index.log: marked corrupted imap[5005]: (stadiumchair) Error: Corrupted transaction log file HOME/stadiumchair/.Drafts/dovecot.index.log seq 2: indexid changed 1418941056 -> 1500658549 (sync_offset=0) imap[20243]: (martha) Error: Transaction log HOME/martha/dovecot.index.log: duplicate transaction log sequence (539) imap[4665]: (emsspam) Error: Index file HOME/emsspam/dovecot.index: indexid changed: 1500658479 -> 1297175382 imap[4665]: (emsspam) Error: Corrupted transaction log file HOME/emsspam/dovecot.index.log seq 3: indexid changed: 1500658479 -> 1297175382 (sync_offset=316) imap[22985]: (emsspam) Error: Corrupted transaction log file HOME/emsspam/dovecot.index.log seq 10742: Invalid transaction log size (9296 vs 9296): HOME/emsspam/dovecot.index.log (sync_offset=9296) imap[3267]: (emsspam) Error: Failed to map view for HOME/emsspam/dovecot.index: Failed to map file seq=10742 offset=9052..18446744073709551615 (ret=0): corrupted, indexid=0 imap[3267]: (emsspam) Error: HOME/emsspam/dovecot.index view is inconsistent: uid=3062271 inserted in the middle of mailbox The output of dovecot -n is pasted in below. Note that some of the boxes are running 4.9, some running 4.4, all have the same problems. Also note that I am using a custom authentication front end for our virtual mailboxes, but it just sets up the minimal environment variables and runs imap. Is there anything I can change to eliminate these problems? Are there any other diagnostics I can provide to shed light on this? # 2.2.31 (65cde28): /etc/dovecot/dovecot.conf # OS: Linux 4.4.66 x86_64 Gentoo Base System release 2.3 log_path = /dev/stderr mail_debug = yes mail_fsync = always mail_location = maildir:~/.maildir mail_log_prefix = "%s[%p]: (%u) " 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 = * driver = pam } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename } ssl_cert = </etc/ssl/dovecot/server.pem ssl_key = # hidden, use -P to show it userdb { driver = passwd } userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } -- Bruce Guenter <bruce(a)untroubled.org> http://untroubled.org/

5 11

under another kind of attack
by Olaf Hopp 31 Jul '17

31 Jul '17

Hi folks, "somehow" similar to the thread "under some kind oof attack" started by "MJ": I have dovecot shielded by fail2ban which works fine. But since a few days I see many many IPs per day knocking on my doors with wron password and/or users. But the rate at which they are knocking is very very low. So fail2ban will never catch them. For example one IP: Jul 25 14:03:17 irams1 dovecot: auth-worker(2212): pam(eurodisc,101.231.247.210,<gAulHSNVsNZl5/fS>): unknown user Jul 25 15:16:36 irams1 dovecot: auth-worker(11047): pam(gergei,101.231.247.210,<dPzYIyRVtOpl5/fS>): pam_authenticate() failed: Authentication failure (password mismatch?) Jul 25 16:08:51 irams1 dovecot: auth-worker(3379): pam(icpe,101.231.247.210,<Ws6t3iRVkOhl5/fS>): unknown user Jul 25 16:10:47 irams1 dovecot: auth-worker(4250): pam(endsulei,101.231.247.210,<dceL5SRVGZVl5/fS>): unknown user Note the timestamps. If I look the other way round (tries to one account) I'll get Jul 25 01:30:48 irams1 dovecot: auth-worker(11276): pam(endsulei,60.166.12.117,<slp6mhhViI48pgx1>): unknown user Jul 25 01:31:26 irams1 dovecot: auth-worker(11276): pam(endsulei,222.243.211.200,<s0+6nBhVabHe89PI>): unknown user Jul 25 13:29:22 irams1 dovecot: auth-worker(4745): pam(endsulei,60.2.50.114,<4elhpCJVtcw8AjJy>): unknown user Jul 25 13:30:27 irams1 dovecot: auth-worker(4747): pam(endsulei,222.84.118.83,<kaE1qCJVn7neVHZT>): unknown user Jul 25 16:10:47 irams1 dovecot: auth-worker(4250): pam(endsulei,101.231.247.210,<dceL5SRVGZVl5/fS>): unknown user Jul 25 16:11:45 irams1 dovecot: auth-worker(5933): pam(endsulei,206.214.0.120,<R5H56CRVdJfO1gB4>): unknown user Also note the timestamps! And I see many many distinct IPs per day (a few hundred) trying many many existing and non-existings accounts. As you see in the timestamps in my examples, this can not be handled by fail2ban without affecting regular users with typos. Is anybody observing something similar ? Anybody an idea against this ? Many of these observed IPs are chinese mobile IPs, if this matters. But we have also chinese students and researchers all abroad. Regards, Olaf -- Karlsruher Institut für Technologie (KIT) ATIS - Abt. Technische Infrastruktur, Fakultät für Informatik Dipl.-Geophys. Olaf Hopp - Leitung IT-Dienste - Am Fasanengarten 5, Gebäude 50.34, Raum 009 76131 Karlsruhe Telefon: +49 721 608-43973 Fax: +49 721 608-46699 E-Mail: Olaf.Hopp(a)kit.edu atis.informatik.kit.edu www.kit.edu KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft Das KIT ist seit 2010 als familiengerechte Hochschule zertifiziert.

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