- dovecot - dovecot.org

Variable expansion in password field (again?!)
by Mathias Rabe 11 May '21

11 May '21

Hi list, I’m experimenting with the mail-crypt-plugin in Dovecot v2.3.4.1 on Debian 10 Buster. I’m also running a OpenLDAP-Server for user lookup. My LDAP-settings looks like this: hosts = ### dn = cn=###,dc=###,dc=## dnpass = ### tls = yes auth_bind = no ldap_version = 3 base = ou=people,dc=###,dc=## scope = subtree user_attrs = \ =quota_rule=*:bytes=%{ldap:mailQuota}, \ =home=/var/vmail/mailboxes/%d/%{ldap:uid}, \ =mail=maildir:/var/vmail/mailboxes/%d/%{ldap:uid}/mail user_filter = (… [View More]

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sudden performance drop - i/o related
by Marcin Gryszkalis 11 May '21

11 May '21

Hi I have exim/dovecot server that worked great for last few years and two weeks ago it got ill ;) First were users reporting errors on saving mails to Sent (timeouts). Now the logs are infested with warnings about long waits: May 10 10:18: Maildir /mail/xxx Synchronization took 193 seconds (1 new msgs, 0 flag change attempts, 0 expunge attempts) May 10 10:18: Maildir /mail/xxx Synchronization took 125 seconds (1 new msgs, 0 flag change attempts, 0 expunge attempts) May 10 10:18: Maildir /… [View More]mail/xxx Synchronization took 211 seconds (1 new msgs, 0 flag change attempts, 0 expunge attempts) May 10 10:18: Maildir /mail/xxx Synchronization took 107 seconds (8 new msgs, 0 flag change attempts, 0 expunge attempts) May 10 10:18: Transaction log file /mail/xxx was locked for 36 seconds (Mailbox was synchronized) May 10 10:18: Transaction log file /mail/xxx was locked for 160 seconds (Mailbox was synchronized) May 10 10:18: Transaction log file /mail/xxx was locked for 72 seconds (Mailbox was synchronized) May 10 10:18: Locking transaction log file /mail/xxx took 60 seconds (syncing) May 10 10:18: Locking transaction log file /mail/xxx took 38 seconds (syncing) May 10 10:18: Locking transaction log file /mail/xxx took 35 seconds (syncing) It looks like i/o risen from 150writes/s to 500writes/s (in top hours) - but there's no real change in number of emails or the volume. Number of users is steady (~100 active users, ~250 imap sessions), number of emails (by count or by volume) is rising and falling within 15% margin. The box is FreeBSD 11.4, dovecot is 2.3.13. Filesystem is ZFS, disks are fine, free space is around 20% (~200GB) Layout is Maildir. CPU is not overloaded (2x6core), same with memory (48GB). I didn't change anything in configuration. Tonight I did some finetuning like maildir_copy_with_hardlinks=yes or mail_fsync=never/optimized (I'm not happy with that but I'm afraid it won't really help and I'll be able to revert that). I'm also thinking about switching from Maildir to sdbox (I know it won't hurt). I don't know where to look to find where the i/o goes. I don't have any metrics/stats enabled (I looked at the docs but it looks it's not really simple and needs some digging to get valuable config). Maybe somebody has suggestions what to look for? For detailed per-process stats I need to rebuild kernel with dtrace (other night I guess)... Simple top (in i/o mode - similar to linux's iotop) doesn't catch short living processes (like LDA deliveries). best regards -- Marcin Gryszkalis, PGP 0xA5DBEEC7 http://fork.pl/gpg.txt [View Less]

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mdbox / selecting folder accesses hundrets of others
by Florian Lohoff 10 May '21

10 May '21

Dovecot: 2.3.4 Hi, i am debugging a problem where after a force-resync removed all cache files (All files are 44 byte). Trying to open a folder takes literally minutes (Huge mailbox - 220K folder, 45GByte compressed storage) After i straced the imap process i can see the imap process accesses hundrets of other completely unrelated folders: Thats from the logfile - You can see mutt selecting the mailbox "zzzzzzt": May 07 18:05:19 imap(inbox@wasteland)<20381><hlkrmL/… [View More]B5qwgAwDvnxMdAGcc/5MSpYxQ>: Debug: fts: No fts setting - plugin disabled May 07 18:05:19 imap(inbox@wasteland)<20381><hlkrmL/B5qwgAwDvnxMdAGcc/5MSpYxQ>: Debug: quota: quota_over_flag check: quota_over_script unset - skipping May 07 18:05:19 imap(inbox@wasteland)<20381><hlkrmL/B5qwgAwDvnxMdAGcc/5MSpYxQ>: Debug: Mailbox zzzzzzt: Mailbox opened because: SELECT From strace -p 20381 - This goes on for minutes opening thousands of unrelated folders. It is noteworthy that it mostly opens nested folders which are rare here: [...] open("/var/vmail/wasteland/inbox/mdbox/mailboxes/gerries/are/hawt", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 15 fstat(15, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents(15, /* 3 entries */, 32768) = 72 stat("/var/vmail/wasteland/inbox/mdbox/mailboxes/gerries/are/hawt/yeah", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/var/vmail/wasteland/inbox/mdbox/mailboxes/gerries/are/hawt/yeah/dbox-Mails", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents(15, /* 0 entries */, 32768) = 0 close(15) = 0 open("/var/vmail/wasteland/inbox/mdbox/mailboxes/karl588594", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 15 fstat(15, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents(15, /* 3 entries */, 32768) = 80 stat("/var/vmail/wasteland/inbox/mdbox/mailboxes/karl588594/b3914", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/var/vmail/wasteland/inbox/mdbox/mailboxes/karl588594/b3914/dbox-Mails", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents(15, /* 0 entries */, 32768) = 0 close(15) = 0 open("/var/vmail/wasteland/inbox/mdbox/mailboxes/ben", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 15 fstat(15, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents(15, /* 4 entries */, 32768) = 104 stat("/var/vmail/wasteland/inbox/mdbox/mailboxes/ben/gang", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/var/vmail/wasteland/inbox/mdbox/mailboxes/ben/gang/dbox-Mails", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 Reopening the same folder again is quick and seamless. So it seems this is some cache recreation code looking into other folders. I am bit puzzled on why it does this. mail_debug=yes did now show anything. Any more debug options for mdbox i might set to find out about its decisions? Flo -- Florian Lohoff f(a)zz.de Any sufficiently advanced technology is indistinguishable from magic. [View Less]

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Writing an custom imap command
by Ryan Beethe 10 May '21

10 May '21

I'm interested in writing a custom imap command that behaves a bit like IDLE but synchronizes some state that is specific to my mail client / mail server. I found that stateless commands were trivial to understand, and I really like the plugin pattern for registering custom commands. But I have a few questions on how to write a long-running command that I was not able to answer by reading through the code. This mailing list seems like the best place to ask them. For reference, the source … [View More]code for my custom command is here: https://github.com/Splintermail/splintermail-client/blob/dev/server/xkeysyn… Thanks, Ryan ------ 1. Why does cmd-idle.c sometimes call client_command_free()? But sometimes it doesn't? For example, cmd_idle_continue() frees it in some branches but not others. That makes no sense to me; it seems like it should be based on your entrypoint (mailbox notify callback vs input callback vs timeout callback), not based on which branch of logic within that entrypoint. 2. Why does cmd-idle.c ever call client_destroy()? That seems like something that should be invoked only by the imap process, not by any command. It calls it in cmd-idle.c:idle_callback (which is a mailbox notify callback). It invokes it after idle_sync_now() when it detects that client->disconnected is set. Maybe that happens in imap_sync_init() or something? 3. Why does cmd-idle.c ever call client_disconnect()? That also seems like the responsibility of the imap process, and not any command. idle_client_input_more() detects when i_stream_read returns -1, meaning that the client has *already disconnected*. Then it calls client_disconnect(). I think this is the crazy part... the istream is effectively unique to the imap process, so it seems unreasonable that any command is responsible for cleaning it up; it should just always happen at the imap process level before exiting, right? 4. What does client_continue_pending_input() actually do, and under what conditions does it need to be called? There is one place that you *can't* call it; there is a section in imap-client.c:client_handle_input() that calls imap-client.c:client_handle_next_command(), which calls the cmd->func(). That makes sense; that's the input trigger for the command plugin, so maybe you only have to trigger it when you are receiving input that doesn't fit into the normal command args behavior. It has a comment that says "this function is called at the end of I/O callbacks (and only there)". It _is_ called by client_input() and by client_output(), but also by: - cmd-idle.c:idle_client_input (io_add_istream callback) - cmd-append.c:client_input_append (io_add_istream callback) - imap-search.c:cmd_search_more_callback (timeout_add callback) The first two cases seem to be the only io_add_istream() commands that even exist, so that explains them. I can't explain the imap-search.c case at all. Reading through it I have really no idea what client_continue_pending_input is really doing. My command has a DONE mechanic just like IDLE so I'm pretty sure I need to invoke this function, I'm just concerned I'm going to do it wrong if I don't understand the mechanics of it. [View Less]

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huge mdbox broken / Log synchronization error
by Florian Lohoff 10 May '21

10 May '21

Hi, its the second time in 6 Month i have issues with a huge mdbox. It broken in November and i restored from backup because force-resync twice didnt fix it. (And restore from borg-backup was MUCH faster than force-resync) This time i have heavy delivery into that mailbox (postfix concurrency 1) and i tried merging folders with doveadm move. The move froze and now i seem to have a broken mdbox: Errors are: May 05 10:21:09 lda(inbox(a)wasteland.rfc822.org): Error: Log synchronization error … [View More]

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How to set lmtp delivery file/directory permissions?
by Kurt Fitzner 08 May '21

08 May '21

I have my postfix/dovecot virtual mail system essentially (otherwise) configured where Postfix is calling Dovecot for its virtual transport: virtual_transport = lmtp:unix:private/dovecot-lmtp But I can't for the life of me see how to change the file permissions dovecot uses to create maildir folders and files. I looked at the maildir [1], lmtp [2], and other documents and they are either silent on permissions or seem to reference a shared mail permissions document [3] that claims file and … [View More]

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Issue with dovecot SASL
by Piyush Joshi 08 May '21

08 May '21

Hi, I am getting the following error while authenticating any user, using SASL with postfix, please help me to fix this issue. May 08 17:34:50 master: Info: Dovecot v2.2.36.4 (baf9232c1) starting up for imap, pop3, lmtp, sieve (core dumps disabled) May 08 17:35:10 master: Error: service(auth): command startup failed, throttling for 2 secs May 08 17:35:10 auth: Fatal: master: service(auth): child 6969 killed with signal 11 (core dumps disabled) *Dovecot Configuration Output* root@mail:/usr/… [View More]local/dovecot/etc/dovecot/conf.d# /usr/local/dovecot/sbin/dovecot -n # 2.2.36.4 (baf9232c1): /usr/local/dovecot/etc/dovecot/dovecot.conf # Pigeonhole version 0.4.24.2 (aaba65b7) # OS: Linux 4.19.0-16-amd64 x86_64 Debian 10.9 # Hostname: mail.example.com auth_default_realm = example.com auth_mechanisms = plain login base_dir = /usr/local/dovecot/var/run/dovecot/ default_client_limit = 5000 default_process_limit = 500 default_vsz_limit = 512 M first_valid_uid = 1001 last_valid_uid = 1001 listen = 127.0.0.1 lmtp_save_to_detail_mailbox = yes log_path = /var/log/imap login_greeting = Messaging Server mail_gid = 1001 mail_location = maildir:/%Lh/Maildir/:INDEX=/%Lh/Maildir/ mail_plugins = quota acl fts fts_lucene mail_uid = 1001 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 vacation-seconds imapflags notify namespace inbox { inbox = yes location = mailbox Archive { auto = subscribe special_use = \Archive } mailbox "Deleted Items" { special_use = \Trash } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox "Junk E-mail" { special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Items" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = . type = private } passdb { args = /usr/local/dovecot/etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { acl = vfile:/usr/local/dovecot/dovecot-acl/acl acl_shared_dict = file:/maildir/domains/dovecot/shared-mailboxes/shared-mailboxes.db fts = lucene fts_autoindex = yes fts_lucene = whitespace_chars=@. fts_tika = http://localhost:9997/tika/ quota = maildir:User quota 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 = ~/.dovecot.sieve sieve_after = /usr/local/dovecot/sieve/default.sieve sieve_before = ~/sieve/01_vacation.sieve sieve_dir = ~/sieve sieve_extensions = +notify +imapflags +vacation +vacation-seconds sieve_global_dir = /usr/local/dovecot/sieve/ sieve_quota_max_scripts = 5 sieve_vacation_send_from_recipient = yes sieve_vacation_use_original_recipient = yes } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh protocols = imap pop3 lmtp sieve service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-userdb { group = vmail mode = 0666 user = vmail } } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { address = * port = 993 ssl = yes } } service imap-postlogin { executable = script-login /usr/local/dovecot/bin/postlogin.sh user = root } service imap { executable = /usr/local/dovecot/libexec/dovecot/imap imap-postlogin } service lmtp { executable = lmtp -L inet_listener lmtp { address = 127.0.0.1 ::1 port = 7025 } 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-obsolete { port = 2000 } } service pop3-login { inet_listener pop3 { port = 110 } inet_listener pop3s { address = * port = 995 ssl = yes } } service quota-warning { executable = script /usr/local/dovecot/bin/quota-warning.sh unix_listener quota-warning { group = vmail mode = 0660 user = vmail } } service stats { unix_listener stats-reader { group = vmail mode = 0660 user = vmail } unix_listener stats-writer { group = vmail mode = 0660 user = vmail } } ssl = required ssl_ca = </etc/ssl/localcerts/intermediate.crt ssl_cert = </etc/ssl/localcerts/mail.crt ssl_key = # hidden, use -P to show it submission_host = 127.0.0.1 userdb { args = /usr/local/dovecot/etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol lmtp { mail_plugins = quota acl fts fts_lucene sieve } protocol sieve { managesieve_logout_format = bytes ( in=%i : out=%o ) } protocol lda { info_log_path = /var/log/dovecot-lda.log log_path = /var/log/dovecot-lda-errors.log mail_plugins = quota acl fts fts_lucene sieve virtual } protocol imap { mail_max_userip_connections = 50 mail_plugins = quota acl fts fts_lucene imap_quota imap_acl } Thanks, Regards [View Less]

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Doveadm sync verbose not working?
by Plutocrat 07 May '21

07 May '21

Hi Was trying a sync with eg this. old is a host set up in my ssh config file. the user exists on both sides. The sync completes correctly copying mails back and forth, but offers no feedback. doveadm sync -u user(a)domain.com -f -R remote:old If I add -v I don't get any more information. Am I missing something? The manual says its meant to give more info and progress. doveadm -v sync -u user(a)domain.com -f -R remote:old Putting -v elsewhere on the commandline results in an error, so I … [View More]

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Adding virtual folders to an existing dovecot installation
by Christian Wolf 06 May '21

06 May '21

Hello dear dovecot mailinglist, I am having a dovecot installation that is working so far (together with sieve and managesieve). Now, I found the possibility to add a virtual folder to the server promising. I sort various mails using a per-user sieve script into subfolders. This works well on the latop but the mobile device does not like too many folders to check. So, I wanted to create a virtual inbox that holds all unread messages. I found this documentation: https://doc.dovecot.org/… [View More]configuration_manual/virtual_plugin/ Now, I have first one question: When I use the virtual folder and read a message/mark it as read, will this be reflected on the underlaying folder or will it cause trouble on dovecot? As far as I understand, usage of sieve filtering and the virtual plugin is considered critical as mentioned in the documentation. This is due to the fact, that the virtual mailboxes are read-only by default (unless a folder is prefixed with a !-symbol). Sieve will try to filter the virtual folder as well be default and moving a message to another folder will fail the read-only assumption. Honestly, I do not get the content of https://doc.dovecot.org/ configuration_manual/virtual_plugin/#sieve-filters-with-virtual-mailboxes by 100%. The first paragraph indicates that sieve plus virtual mailboxes are a complete no-go, while the second indicates that a safe configuration is needed. Could someone please elaborate this a bit more? I have not yet changed anything as I did not want blindly break my production mail system. The current (unaltered) configuration I will attach below. Bonus question: Is it possible to restrict the effect of the virtual plugin to certain (virtual) user accounts? Thank you very much Christian # dovecot --version 2.3.13 (89f716dc2) #dovecot -n # 2.3.13 (89f716dc2): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.13 (cdd19fe3) # OS: Linux 5.11.2-arch1-1 x86_64 # Hostname: server-hh.hh.lupus auth_mechanisms = plain login mail_location = maildir:~/Maildir 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 { special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Templates { auto = subscribe } mailbox Trash { auto = subscribe special_use = \Trash } prefix = } passdb { args = scheme=PLAIN username_format=%n /home/.vmail/%d/etc/shadow driver = passwd-file } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve stats_refresh = 30 secs stats_track_cmds = yes } protocols = imap lmtp sieve service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } } service stats { fifo_listener stats-mail { mode = 0600 user = vmail } } ssl = required ssl_cert = </etc/letsencrypt/live/dovecot/fullchain.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 = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes userdb { args = uid=vmail gid=vmail home=/home/.vmail/%d/mails/%n driver = static } protocol lmtp { mail_plugins = " sieve" postmaster_address = postmaster(a)example.com } protocol lda { mail_plugins = " sieve" } protocol imap { mail_plugins = " old_stats" } [View Less]

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disable pop3 ports?
by Dan Egli 05 May '21

05 May '21

I admit I don't quite understand dovecot's config yet, but this is driving me batty. I was looking at my server and noticed that dovecot was listening on the pop3 ports (110/TCP). Since I do not use pop3 at all, nor does anyone who has ever or ever will connect to the server, that seems like a needless waste. So I went through the config files and commented out every reference to pop3 in them. But when I restart dovecot, it STILL opens a listener on 110. How do I fix this? The ONLY … [View More]

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POP3 mailbox errors and changing permissions on folders
by John Richards 05 May '21

05 May '21

1 0

How to Host Multiple Mail Domains (Email Hosting) in iRedMail Full Featured Linux Mail Server
by Turritopsis Dohrnii Teo En Ming 04 May '21

04 May '21

Subject: How to Host Multiple Mail Domains (Email Hosting) in iRedMail Full Featured Linux Mail Server Author: Mr. Turritopsis Dohrnii Teo En Ming (TARGETED INDIVIDUAL) Country: Singapore Date: 3rd May 2021 Monday Type of Publication: PDF Manual Document Version: 20210503.01 ***IMPORTANT NOTICE*** Please note that Turritopsis Dohrnii Teo En Ming’s guide is based on Xiao Guoan’s guide at linuxbabe.com. Reference Guide Used by Teo En Ming: How to Host Multiple Mail Domains in iRedMail with … [View More]

1 0

mail_crypt module and error with tmp directory
by Fiorenza Meini 04 May '21

04 May '21

Hi, I successfully enable mail_crypt module but I'm experiencing a strange behaviour with tmp directory while accessing with POP3 protocol: I see in log file: Error: istream-seekable: safe_mkstemp(/tmp/dovecot.pop3.) failed: Permission denied I changed tmp directory configuration (mail_temp_dir variable) and setting it with 777 permission, but the error is the same. On client side it's working everything, but I'd like to understand the error and if I have to be worried about it. Thank … [View More]

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[Dovecot] Doveadm sometimes failed "to iterate through some users" after upgrade to 2.2
by Alessio Cecchi 04 May '21

04 May '21

Hi, I'm running every week in cron "doveadm expunge -A mailbox Spam before 30d" and monthly "doveadm quota recalc -A". After the upgrade to dovecot 2.2.12 (from 2.1.17), "doveadm -A" sometimes exit with this error: doveadm(user(a)domain.com): Error: User listing returned failure doveadm: Error: Failed to iterate through some users # echo $? 75 If I re-run the same command the user where doveadm stops changeing (always in alphabetical order): info@ mario@ pippo@ zazza@ and finally, … [View More]after 3 or 4 run, ends with success. I have enable debug (via doveadm -D and auth/mail debub in 10-logging.con) but there are no errors or difference in the log when doveadm exit with the error (error code is 75). If I run # doveadm expunge -A mailbox Spam savedbefore 30d doveadm works fine Can somebody help me? Here is my configuration: # dovecot -n # 2.2.12: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.9 auth_debug = yes auth_master_user_separator = * auth_verbose = yes deliver_log_format = msgid=%m, from=%f, subject="%s": %$ dict { expire = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext sqlquota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext } disable_plaintext_auth = no dotlock_use_excl = no first_valid_gid = 89 first_valid_uid = 89 imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags imap_idle_notify_interval = 29 mins imap_logout_format = in=%i out=%o session=<%{session}> last_valid_gid = 89 last_valid_uid = 89 lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes listen = * mail_debug = yes mail_fsync = always mail_location = maildir:~/Maildir mail_nfs_index = yes mail_nfs_storage = yes mail_plugins = quota expire maildir_very_dirty_syncs = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave vnd.dovecot.duplicate mmap_disable = yes namespace { list = children location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u prefix = shared/%%n/ separator = / subscriptions = no type = shared } namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Spam { auto = subscribe special_use = \Junk } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / } passdb { args = username_format=%Ld /etc/dovecot/extra/alias-domains-denylogin.txt deny = yes driver = passwd-file } passdb { args = /etc/dovecot/extra/master-users driver = passwd-file master = yes pass = yes } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { expire = Trash expire2 = Spam expire_dict = proxy::expire quota = maildir:UserQuota quota2 = dict:Quota Usage::noenforcing:proxy::sqlquota quota_grace = 10M quota_rule2 = Trash:storage=+100M quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_before = /etc/dovecot/sieve/before.sieve sieve_dir = ~/sieve sieve_extensions = +vnd.dovecot.duplicate -vacation } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s, bytes=%i/%o, session=<%{session}> protocols = imap pop3 sieve service auth-worker { process_limit = 1000 } service auth { client_limit = 5500 unix_listener auth-userdb { group = vchkpw mode = 0660 user = vpopmail } } service dict { process_limit = 300 unix_listener dict { group = vchkpw mode = 0660 user = vpopmail } } service imap-login { process_min_avail = 4 service_count = 0 } service imap { process_limit = 4000 service_count = 100 } service managesieve-login { inet_listener sieve { port = 4190 } } service pop3-login { service_count = 0 } service pop3 { process_limit = 1023 service_count = 100 } service quota-warning { executable = script /etc/dovecot/scripts/quota-warning.sh unix_listener quota-warning { user = vpopmail } user = vpopmail } ssl_cert = </etc/dovecot/ssl/wildcard-myemail.net.pem ssl_key = </etc/dovecot/ssl/wildcard-myemail.net.key submission_host = localhost userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } protocol lda { mail_location = maildir:~/Maildir:INDEX=MEMORY mail_plugins = quota expire sieve } protocol imap { mail_max_userip_connections = 15 mail_plugins = quota expire imap_quota } protocol sieve { mail_max_userip_connections = 2 } protocol pop3 { mail_max_userip_connections = 5 } -- Alessio Cecchi is: @ ILS -> http://www.linux.it/~alessice/ on LinkedIn -> http://www.linkedin.com/in/alessice Assistenza Sistemi GNU/Linux -> http://www.cecchi.biz Cloud Email Hosting -> http://www.qboxmail.com @ PLUG -> ex-Presidente, adesso senatore a vita, http://www.prato.linux.it [View Less]

3 3

Latest git FATAL error
by Joan Moreau 03 May '21

03 May '21

Hello On latest git of dovecot, I get Apr 24 04:07:36 gjserver dovecot[857958]: imap-login: Panic: file client-common.c: line 293 (client_disconnect): assertion failed: (client->prev == NULL && client->next == NULL) and login process crash On 2.3.14, there is no problems Hope it helps JM

3 17

Problem with Log-File
by Volf, Ronald (IRV) 03 May '21

03 May '21

Hello ! We want to log error in a File directly : /var/log/IRV_MdM/Dovecot_main.log. We got this error: 'Can't open log file /var/log/IRV_MdM/Dovecot_main.log: Permission denied' Please have a look at our Problem. Is it a bug or an incorrect config ? Our Dir-Structure is: (for testing, we changed all to mod 777) 2021-05-03 04:29:32 IRV-20210501-V02-rvh:~ # dir -d /var/ /var/log/ /var/log/IRV_MdM/ /var/log/IRV_MdM/Dovecot_main.log drwxrwxrwx 11 root root 4096 2021-04-… [View More]30 20:36:51 /var/ drwxrwxrwx 21 root root 4096 2021-05-03 02:53:34 /var/log/ drwxrwxrwx 4 IRV_MdM IRV_MdMG 4096 2021-05-03 04:28:09 /var/log/IRV_MdM/ -rwxrwxrwx 1 IRV_MdM IRV_MdMG 14 2021-05-03 01:36:18 /var/log/IRV_MdM/Dovecot_main.log 2021-05-03 04:29:48 IRV-20210501-V02-rvh:~ # Version: 2021-05-03 04:28:05 IRV-20210501-V02-rvh:~ # dovecot --version 2.3.14 (cee3cbc0d) 2021-05-03 04:28:12 IRV-20210501-V02-rvh:~ # Logs: 2021-05-03 04:28:51 IRV-20210501-V02-rvh:~ # doveadm log find Debug: /var/log/IRV_MdM/Dovecot_main.log Info: /var/log/IRV_MdM/Dovecot_main.log Warning: /var/log/IRV_MdM/Dovecot_main.log Error: /var/log/IRV_MdM/Dovecot_main.log Fatal: /var/log/IRV_MdM/Dovecot_main.log Config: 2021-05-03 04:45:27 IRV-20210501-V02-rvh:~ # dovecot -n # 2.3.14 (cee3cbc0d): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.14 (1b5c82b2) # OS: Linux 5.12.0-1-default x86_64 ext3 # Hostname: IRV-20210501-V02-rvh auth_cache_size = 20 M auth_debug = yes auth_debug_passwords = yes auth_verbose = yes auth_verbose_passwords = plain default_internal_user = IRV_MdM default_login_user = IRV_MdM_Login deliver_log_format = msgid=%m: %$ (From=%f, To=%t, Subject=%s, Size=%p/%w, Dsn=%{storage_id}) disable_plaintext_auth = no first_valid_uid = 10000 last_valid_gid = 49999 last_valid_uid = 49999 listen = * log_path = /var/log/IRV_MdM/Dovecot_main.log log_timestamp = "%Y-%m-%d %H:%M:%S " login_greeting = Welcome to the INetS - Multi-Device-Mail-Server. mail_access_groups = IRV_MdMG mail_debug = yes mail_location = maildir:/var/spool/IRV_MdM/User/%u/Mail:CONTROL=/var/spool/IRV_MdM/User/%u/C trl:INDEX=/var/spool/IRV_MdM/User/%u/Index:LAYOUT=fs mail_temp_dir = /var/spool/IRV_MdM/Tmp 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 { 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 } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh postmaster_address = <mailto:Support@IRV.at> Support(a)IRV.at ssl_cert = /Apps_IRV/Web/Cert/IRV_star_irv_at/IRV_STAR_irv_at.Crt.crt ssl_cipher_list = ALL:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH ssl_key = # hidden, use -P to show it ssl_options = no_compression ssl_prefer_server_ciphers = yes userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } verbose_proctitle = yes 2021-05-03 04:45:42 IRV-20210501-V02-rvh:~ # OS: 2021-05-03 04:45:42 IRV-20210501-V02-rvh:~ # i_ver Isg-Release: Version = 07.00.22 from 2021-01-22 21:13. Linux-Release: openSUSE Tumbleweed 20210430 Linux 5.12.0-1-default x86_64. 2021-05-03 05:13:01 IRV-20210501-V02-rvh:~ # Please send the reply to Support(a)IRV.at. Mit freundlichen Grüßen / with best regards Ing. Ronald VOLF <http://www.irv.at/> IRV Datenverarbeitung GmbH Internet: <http://www.irv.at/> www.irv.at Mail: <mailto:Sales@IRV.at> Sales(a)IRV.at Tel.: (+43-2236) 2236 7 * Fax: (+43-2236) 2191 7 / 30 Addr.: Brown Boveri Strasse 6, Top 18 2351 Wr. Neudorf, Austria [View Less]

3 2

Sieve - disable redirect
by Miloslav Hůla 03 May '21

03 May '21

Hi, I would like to disallow "redirect" in sieve scripts to prevent automatical e-mail forwarding out of organisation. I'dint find a way in [1], only "sieve_extensions" option and when I try "sieve_extensions = -redirect" I got: # sievec test.sieve sievec(root): Warning: sieve: ignored unknown extension 'redirect' while configuring available extensions Is there any way? Kind regards Milo [1] https://doc.dovecot.org/configuration_manual/sieve/configuration/

1 1

setmetadata and NIL
by Steffen 03 May '21

03 May '21

Hi everybody, I played with Dovecot's metadata in dovecot-core 2:2.3.14-5+debian9 from repo deb https://repo.dovecot.org/ce-2.3-latest/debian/stretch stretch main https://tools.ietf.org/html/rfc5464#section-4.3 and https://github.com/coi-dev/coi-specs/blob/master/webpush-spec.md use NIL to remove items. Unsubscribe To unsubscribe from push notification set the previously push annotation to NIL. *Example for unsubscribing from push notifications: * C:… [View More]

2 1

Can the disable_plaintext_auth setting get overridden for a specific port?
by Steve Dondley 03 May '21

03 May '21

In 10-auth.conf, I have "disable_plaintext_auth = yes" For port 143, I'd like to do something like this to override that setting: service imap-login { inet_listener imap { port = 143 disable_plain_text_auth = no } } Based on https://wiki.dovecot.org/LoginProcess and https://doc.dovecot.org/configuration_manual/service_configuration/ it doesn't seem like this is supported. But maybe there is another way to accomplish this?

3 2

Error and Panic (with coredump)
by Thomas Knaute 03 May '21

03 May '21

Hi there, i'm pretty new to this stuff, just tell me if you need more information. Apr 26 17:15:43 dilia dovecot: imap(user(a)domain.de)<78561><rtYxnuHAZoPAqBSC>: Error: i_stream_seekable_write_failed: close((&sstream->fd)) @ istream-seekable.c:246 failed (fd=21): Bad fi le descriptor Apr 26 17:15:43 dilia dovecot: imap(user(a)domain.de)<78561><rtYxnuHAZoPAqBSC>: Panic: file istream-seekable.c: line 226 (read_from_buffer): assertion failed: (*ret_r &… [View More]gt;0) Apr 26 17:15:43 dilia dovecot: imap(user(a)domain.de)<78561><rtYxnuHAZoPAqBSC>: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xdb73b) [0x7f13aead973b] -> /usr/lib/dovecot/libdov ecot.so.0(+0xdb7d1) [0x7f13aead97d1] -> /usr/lib/dovecot/libdovecot.so.0(+0x4a199) [0x7f13aea48199] -> /usr/lib/dovecot/libdovecot.so.0(+0x4c7cf) [0x7f13aea4a7cf] -> /usr/lib/dovecot/libdove cot.so.0(+0xee6e2) [0x7f13aeaec6e2] -> /usr/lib/dovecot/libdovecot.so.0(+0xeeb46) [0x7f13aeaecb46] -> /usr/lib/dovecot/libdovecot.so.0(+0xe6cd9) [0x7f13aeae4cd9] -> /usr/lib/dovecot/libdovec ot.so.0(i_stream_get_size+0x2a) [0x7f13aeae5baa] -> /usr/lib/dovecot/modules/lib20_zlib_plugin.so(+0x417c) [0x7f13ae80817c] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_set_seq+0x2 5) [0x7f13aec57eb5] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0xd19ce) [0x7f13aec5e9ce] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_storage_search_next_nonblock+0x61) [0x7f13aec5f0e 1] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_search_next_nonblock+0x28) [0x7f13aebe7e58] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](+0x2695f) [0x55740be9495f] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](imap_search_start+0xdc) [0x55740be9528c] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](cmd_sort+0x271) [0x55740be87b7 1] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](command_exec+0x70) [0x55740be8ddc0] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](+0x1e3f2) [0x55740be8c3f2] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](+0x1e494) [0x55740be8c494] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](client_handle_input+0x1b5) [0x55740be8c845] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](client_input+0x7e) [0x55740be8cd6e] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x6f) [0x7f13aeaefbef] -> /usr/lib/dovec ot/libdovecot.so.0(io_loop_handler_run_internal+0x136) [0x7f13aeaf11e6] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x4c) [0x7f13aeaefc8c] -> /usr/lib/dovecot/libdovecot.so.0(io_ loop_run+0x40) [0x7f13aeaefdf0] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f13aea70123] -> dovecot/imap [user(a)domain.de 192.168.xxx.xxx UID SORT](main+0x325) [0x5574 0be7ebf5] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xeb) [0x7f13ae85709b] Apr 26 17:15:44 dilia dovecot: imap(user(a)domain.de)<78561><rtYxnuHAZoPAqBSC>: Fatal: master: service(imap): child 78561 killed with signal 6 (core dumped) # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 () # OS: Linux 4.19.0-9-amd64 x86_64 Debian 10.9 # Hostname: dilia.intern.domain.de auth_cache_size = 10 M auth_default_realm = domain.de auth_mechanisms = plain login default_vsz_limit = 1 G disable_plaintext_auth = no imapc_features = " fetch-headers" imapc_host = mail.intern.domain.de imapc_user = %u mail_location = maildir:~/Maildir mail_plugins = zlib acl mail_prefetch_count = 20 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 envir onment mailbox date index ihave duplicate mime foreverypart extracttext namespace { hidden = no ignore_on_failure = no inbox = no list = children location = maildir:%%h/Maildir:INDEX=%h/shared/%%u:CONTROL=%h/shared/%%u prefix = shared/%%u/ separator = / subscriptions = yes type = shared } namespace inbox { hidden = no 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" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = INBOX/ separator = / subscriptions = yes type = private } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { acl = vfile acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size sieve = file:~/sieve;active=~/.dovecot.sieve zlib_save = gz zlib_save_level = 6 } protocols = " imap lmtp sieve" service auth { unix_listener /var/spool/postfix/private/auth { mode = 0666 } unix_listener auth-userdb { group = vmail user = vmail } } service imap-login { process_min_avail = 12 service_count = 0 } service imap { process_limit = 8192 } service lmtp { inet_listener lmtp { address = 127.0.0.1 port = 24 } } service managesieve-login { inet_listener sieve { port = 4190 } inet_listener sieve_deprecated { port = 2000 } } ssl_cert = </etc/ssl/certs/mail.intern.combined.cer ssl_cipher_list = ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW:!DH@STRENGTH 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 { driver = prefetch } userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } verbose_proctitle = yes protocol lmtp { mail_plugins = zlib acl sieve } protocol imap { mail_max_userip_connections = 20 mail_plugins = zlib acl imap_zlib imap_acl } Regards, Thomas [View Less]

2 5

Sieve Auth failing (ignore previous message please)
by Dan Egli 02 May '21

02 May '21

Hi folks. I'm VERY new to Dovecot and Sieve. But I'm having an issue that I need help with. For some reason my sieve daemon won't allow people to log on. I have dovecot set to read information from a MySQL table, and that works fine. I can login to dovecot's imap server just fine. But I have SOGo for the webmail and it won't login to the sieve daemon. Here's what I see in the log files when I, for example, try to save my preferences in SOGo: ==> info.log <== Apr 28 00:33:14 lmtp(… [View More]

3 3

Ability to reject invalid client certificate at TLS handshake time
by Gert van Dijk 02 May '21

02 May '21

Hi, After a bit of struggling I've been able to set up TLS client certificate authentication with Dovecot for both IMAP and Submission. Users are required to present a valid certificate, cool so far! What I noticed however on non-StartTLS listeners IMAPS (993) and SMTPS (465), is that during the TLS handhake presenting a valid client certificate is seemingly optional and is only checked later at time of protocol-level login (external auth in my case). I'd like to change that for security … [View More]purposes and also a bit of obscurity. Not having the ability to interact with Dovecot on protocol level lowers the attack vector as well as the ease of checking my network security. Also, it would prevent (anonymous) network scanners to easily detect what kind of service is running on the port as they can see the IMAP/SMTP banner without presenting a valid TLS client certificate currently. Is it possible in any version of Dovecot to configure it to set up a TLS server listening context that requires a handshake with a valid client certificate? I'm using Dovecot 2.3.4.1 (actual Debian Buster version 2.3.4.1-5+deb10u6), but willing to upgrade to any newer version when this is offered. Going through some newer revisions changelog this seems not the case, so I didn't spend time on upgrading yet. Relevant config snippets for IMAP authenticating proxy that I use (something similar for Submission): # Opens 143 on StartTLS and 993 in wrapped TLS-only mode. # Only 993 is exposed to the internet. protocols = imap passdb { driver = static args = proxy=y host=10.1.2.3 port=1143 pass=masterpass nopassword=y } auth_username_format = %n ssl = required ssl_cert = </etc/dovecot-ssl/cert.crt ssl_key = </etc/dovecot-ssl/key.pem ssl_prefer_server_ciphers = yes ssl_min_protocol = TLSv1.2 ssl_cipher_list = [omitted for brevity] ssl_ca = </etc/dovecot-ssl/client-ca.crt ssl_verify_client_cert = yes # Required to set this to 'no' if no CRL is set up yet ssl_require_crl = no auth_ssl_require_client_cert = yes # Take the username from the client certificate (CN) auth_mechanisms = external auth_ssl_username_from_cert = yes ssl_cert_username_field = commonName Current behaviour from a client when deliberately not presenting a client certificate shows the IMAP banner: $ openssl s_client -connect myserver:993 CONNECTED(00000003) --- Certificate chain 0 [...] --- Server certificate -----BEGIN CERTIFICATE----- [...] --- Acceptable client certificate CA names C = NL, O = Gert van Dijk, [...] --- SSL handshake has read 1096 bytes and written 413 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 384 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 0 (ok) --- * OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE LITERAL+ LOGINDISABLED AUTH=EXTERNAL] Dovecot (Debian) ready. Expected: TLS alert during handshake, e.g. on my Apache TLS client certificate required configured instance: $ openssl s_client -connect myserver:443 139676785239360:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:../ssl/record/rec_layer_s3.c:1543:SSL alert number 40 IOW, I was hoping for something like this to exist: ssl_verify_client_cert = required OR service imap-login { inet_listener imaps { port = 993 ssl = client-cert-required } } Thanks, Gert [View Less]

2 2

Re: Sieve daemon errors? (Part 1 of 2, Pt 2 to follow when Pt 1 resolved)
by Dan Egli 01 May '21

01 May '21

Ask and ye shall receive: # dovecot -n # 2.3.13 (89f716dc2): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.13 (cdd19fe3) # OS: Linux 5.11.16-gentoo-x86_64 x86_64 Gentoo Base System release 2.7 xfs # Hostname: jupiter.newideatest.site auth_debug = yes auth_mechanisms = plain login auth_socket_path = /run/dovecot/auth-userdb auth_verbose = yes debug_log_path = /var/log/dovecot/debug.log default_vsz_limit = 1 G disable_plaintext_auth = no first_valid_uid = 114 hostname = jupiter.… [View More]newideatest.site info_log_path = /var/log/dovecot/info.log log_path = /var/log/dovecot/error.log mail_debug = yes mail_gid = exim4u mail_location = maildir:/var/mail/%d/%n/Maildir:INDEX=/var/mail/indexes/%d/%1n/% n mail_plugins = fts mail_privileged_group = mail mail_server_admin = <redacted> mail_uid = exim4u managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacati on subaddress comparator-i;ascii-numeric relational regex imap4flags copy includ e variables body enotify environment mailbox date index ihave duplicate mime for everypart extracttext imapsieve vnd.dovecot.imapsieve 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 } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { fts_autoindex = yes fts_autoindex_exclude = \Junk fts_autoindex_exclude2 = \Trash fts_autoindex_exclude3 = \Drafts fts_autoindex_exclude4 = \Spam fts_enforced = yes imapsieve_mailbox1_before = file:/var/lib/dovecot/sieve/report-spam.sieve imapsieve_mailbox1_causes = COPY imapsieve_mailbox1_name = Spam imapsieve_mailbox2_before = file:/var/lib/dovecot/sieve/report-ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Spam imapsieve_mailbox2_name = * plugin = fts managesieve sieve sieve = file:%h/sieve;active=%h/.dovecot.sieve sieve_Dir = ~/sieve sieve_execute_bin_dir = /usr/lib/dovecot/sieve-execute sieve_filter_bin_dir = /usr/lib/dovecot/sieve-filter sieve_global_dir = /var/lib/dovecot/sieve/ sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment sieve_global_path = /var/lib/dovecot/sieve/default.sieve sieve_pipe_bin_dir = /var/lib/dovecot/sieve sieve_plugins = sieve_imapsieve sieve_extprograms } postmaster_address = postmaster(a)newideatest.site service auth { unix_listener auth-client { mode = 0600 user = exim4u } unix_listener auth-userdb { group = exim4u mode = 0777 user = exim4u } } service lmtp { inet_listener lmtp { address = 127.0.0.1 port = 4190 } } service managesieve-login { inet_listener sieve { port = 4190 } process_min_avail = 0 service_count = 1 vsz_limit = 64 M } service managesieve { process_limit = 1024 } service stats { unix_listener stats-reader { mode = 0777 user = exim4u } unix_listener stats-writer { mode = 0777 user = exim4u } } service submission-login { inet_listener submission { port = 2587 } } ssl_cert = </etc/letsencrypt/live/newideatest.site/fullchain.pem ssl_client_ca_dir = /etc/pki/tls/exim_tls/ ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } userdb { args = uid=exim4u gid=exim4u home=/var/mail/%Ld/%Ln driver = static } verbose_ssl = yes protocol lmtp { info_log_path = /var/log/dovecot/lmtp.log log_path = /var/log/dovecot/lmtp-errors.log mail_plugins = fts sieve sieve postmaster_address = postmaster(a)newideatest.site } protocol lda { info_log_path = /var/log/dovecot/lda.log log_path = /var/log/dovecot/lda-errors.log mail_plugins = fts sieve sieve } protocol imap { mail_plugins = fts imap_sieve } protocol sieve { info_log_path = /var/log/dovecot/sieve.log log_path = /var/log/dovecot/sieve-errors.log managesieve_implementation_string = Dovecot managesieve_max_compile_errors = 5 managesieve_max_line_length = 64 k } j On 5/1/2021 12:44 AM, Steve Watt wrote: > > From a little bit of poking around in the source, I wonder if you > somehow have the LMTP listener running on the sieve port. > > The output of doveconf -n will help more than just the 90-sieve.conf. > Also check the dovecot log; I found it helpful (once I figured out how > to configure it) with debugging. > > [ Apologies for top post; brain-damaged MUA in use. ] > > -- > > Steve Watt KD6GGD PP-ASEL-IA factories.words.yappy > > Don't let your schooling get in the way of your education. > > *From:* dovecot <dovecot-bounces(a)dovecot.org> *On Behalf Of *Dan Egli > *Sent:* Friday, April 30, 2021 23:13 > *To:* dovecot(a)dovecot.org > *Subject:* Sieve daemon errors? (Part 1 of 2, Pt 2 to follow when Pt 1 > resolved) > > Folks, I am still trying to get help here. Let me re-state what is > going on. I have a webmail program (SOGo) that connects to the Dovecot > sieve system to handle things like mail filters and what not. That way > dovecot's lda program can move things where they belong. So I went > through the config files, and found the places where I need to enable > sieve (this is in Gentoo Linux, by the way). Now, when dovecot starts > I do see a listener on the sieve port on localhost: > > #netstat -tl | grep sieve > tcp 0 0 localhost:sieve 0.0.0.0:* LISTEN > > And when I telnet to the port, it does connect. But it doesn't say much. > > telnet localhost sieve > Trying 127.0.0.1... > Connected to localhost. > Escape character is '^]'. > 220 jupiter.newideatest.site Dovecot ready. > > Yet every example I see online is showing a HECK of a lot more than > this. So what's up? Anyone got any idea what I did wrong? I've put the > 90-sieve.conf file on my web server at > www.newideatest.site/90-sieve.conf > <http://www.newideatest.site/90-sieve.conf> for those who want to see > it. If any other config files are wanted/needed to help figure this > out, let me know what they are and I'll take care of it. Here's an > example of what other websites I've looked at say I SHOULD see: > > Trying 162.243.12.140... > Connected to test3.rtcamp.com. > Escape character is '^]'. > *"IMPLEMENTATION" "Dovecot Pigeonhole"* > *"SIEVE" "fileinto reject envelope encoded-character vacation > subaddress comparator-i;ascii-numeric relational regex imap4flags copy > include variables body enotify environment mailbox date ihave"* > "NOTIFY" "mailto" > "SASL" "PLAIN LOGIN" > "STARTTLS" > "VERSION" "1.0" > OK "Dovecot ready." > so why am I not getting all this? > -- > Dan Egli > From my Test Server -- Dan Egli From my Test Server [View Less]

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What imap ssl/auth settings work best with MS Outlook?
by Steve Dondley 01 May '21

01 May '21

I repeatedly have a hell of a time getting clients' Outlook software working well with Dovecot. It's hard for me to test myself since I don't have Outlook and it would be impossible to keep up with all the different versions anyway. I've got the following settings, currently: disable_plaintext_auth = yes auth_username_format = %Ln auth_mechanisms = plain login ssl = yes service imap-login { # inet_listener imap { # port = 143 # } inet_listener imaps { port = 993 ssl = … [View More]

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Sieve daemon errors? (Part 1 of 2, Pt 2 to follow when Pt 1 resolved)
by Dan Egli 01 May '21

01 May '21

Folks, I am still trying to get help here. Let me re-state what is going on. I have a webmail program (SOGo) that connects to the Dovecot sieve system to handle things like mail filters and what not. That way dovecot's lda program can move things where they belong. So I went through the config files, and found the places where I need to enable sieve (this is in Gentoo Linux, by the way). Now, when dovecot starts I do see a listener on the sieve port on localhost: #netstat -tl | … [View More]

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