December 2013 - dovecot

[Dovecot] auth: Error: net_accept() failed: Too many open files
by boyd yang 23 Dec '13

23 Dec '13

Hi All, I got below errors when I do some 2000 users concurrency test against dovecot 2.1.7. Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files Dec 23 10:18:52 auth: Error: net_accept() failed: Too many open files I seems the auth process become the bottleneck as there is only one auth process. service auth-worker { process_limit = 1000 } service imap-login { process_min_avail = 48 service_count = 0 } service imap { process_limit = 10240 process_min_avail = 8 } I find that the auth process does not open too many files with lsof, and my limit is very big(1000000). How to fix this? Thanks!

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[Dovecot] move mailbox to LAYOUT=fs
by Andreas Schulze 22 Dec '13

22 Dec '13

Hello, I think about migrating small servers storage to LAYOUT=fs (http://wiki2.dovecot.org/MailLocation/Maildir#Directory_layout) Is there a smooth way to adjust the existing folders? Andreas

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[Dovecot] TLS SNI with Dovecot
by Michael Neurohr 22 Dec '13

22 Dec '13

Hi! I've been using Dovecot for one single Domain with SSL certificates. Now I would like to use Dovecot with several Domains and proper SSL certificates. I tried to setup TLS SNI but it does not work. What I basically did was just adding local_name imap.samsoft.at { ssl_cert = </etc/ssl/private/mailserver/imap.samsoft.at.crt ssl_key = </etc/ssl/private/mailserver/imap.samsoft.at.key } for the additional domain. When trying to login via IMAP, I see the following lines in the log file: =================================================================== Dec 22 21:01:05 mx0 dovecot: imap-login: Warning: SSL alert: where=0x4004, ret=554: fatal bad certificate [151.236.5.22] Dec 22 21:01:05 mx0 dovecot: imap-login: Warning: SSL failed: where=0x2002: SSLv3 read client certificate A [151.236.5.22] Dec 22 21:01:05 mx0 dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=151.236.5.22, lip=151.38.7.25, TLS handshaking: SSL_accept() failed: error:14094412:SSL routines:SSL3_READ_BYTES:sslv3 alert bad certificate: SSL alert number 42, session=<Rg5EzyXutgCX7AaF> =================================================================== The actual Dovecot config is pasted below. How can I solve that and server different certificates on the same IP Address? Thanks, Michael doveconf -n # 2.2.7: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-042stab076.8 i686 CentOS release 6.5 (Final) simfs auth_mechanisms = plain login mail_location = maildir:/var/mail/vhosts/%d/%n mail_plugins = notify mail_privileged_group = mail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave imapflags namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Spam { auto = subscribe special_use = \Junk } mailbox Trash { auto = subscribe special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } plugin { antispam_backend = dspam antispam_dspam_args = --source=error;--signature=%%s;--user;%u antispam_dspam_binary = /usr/bin/dspam antispam_signature = X-DSPAM-Signature antispam_signature_missing = move antispam_spam = Spam antispam_trash = trash;Trash;Deleted Items;Deleted Messages sieve = /var/mail/vhosts/sieve-scripts/%d/%n/.dovecot.sieve sieve_before = /var/mail/vhosts/sieve-scripts/before sieve_dir = /var/mail/vhosts/sieve-scripts/%d/%n/sieve sieve_extensions = +imapflags } postmaster_address = postmaster(a)changed.at protocols = imap pop3 lmtp sieve service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0600 user = vmail } user = dovecot } service dict { unix_listener dict { user = vmail } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service managesieve-login { inet_listener sieve { port = 4190 } } ssl = required ssl_ca = </etc/ssl/private/mailserver/ca-bundle.crt ssl_cert = </etc/ssl/private/mailserver/mx0.domain1.at.pem ssl_key = </etc/ssl/private/mailserver/mx0.domain1.at.key userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } protocol lmtp { mail_plugins = sieve } protocol lda { mail_plugins = sieve } protocol imap { mail_plugins = antispam } local_name imap.samsoft.at { ssl_cert = </etc/ssl/private/mailserver/imap.samsoft.at.crt ssl_key = </etc/ssl/private/mailserver/imap.samsoft.at.key }

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[Dovecot] Duplicated (but only for unread) messages after second rsync pass...
by Charles Marcus 22 Dec '13

22 Dec '13

Ok, I know I should probably be using dsync for this, but I'm more familiar with rsync, and didn't think this would be a problem. Here is what I am doing, and what is apparently happening (only done this once, but I'm guessing it will happen each time): rsync -avHP /mnt/vmail/example.com/user1/ /var/vmail/example.com/user1/ chown -R vmail:vmail /var/vmail/example.com Ok, so far so good, everything works fine accessing the mails (I'm using Thunderbird). Now I do another rsync, but this time I did the entire mailstore: rsync -avHP /mnt/vmail/example.com/ /var/vmail/example.com/ chown -R vmail:vmail /var/vmail/example.com Right after I started up dovecot again, I hot a bunch of these in the logs: 2013-12-22T09:52:51-05:00 newhost dovecot: imap(user1(a)example.com): Warning: Maildir /var/vmail/example.com/user1/: Expunged message reappeared, giving a new UID (old uid=45516, file=1387468268.Vfe02Ic1343fM845754.oldhost.sub.example.com:2,ST) 2013-12-22T09:52:51-05:00 newhost dovecot: imap(user1(a)example.com): Warning: Maildir /var/vmail/example.com/user1/: Expunged message reappeared, giving a new UID (old uid=45518, file=1387468645.Vfe02Ic73e0eM530539.oldhost.sub.example.com:2,ST) The problem is, it looks like every single message that was flagged as unread is now duplicated on the new system. Also - not that this is a problem, but all of the old messages have the fqdn of the old server in the individual email file names - oldhost.sub.example.com - while the new ones only have the local hostname (newhost) Did I do something wrong? Or is this going to be an unavoidable problem if I want to use rsync to do the final migration that using dsync would avoid? Thanks, -- Best regards, */Charles /*

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[Dovecot] Dovecot proxying with LDAP - an example?
by Graham Leggett 22 Dec '13

22 Dec '13

Hi all, I have been struggling trying to understand the syntax to configure dovecot as a proxy against an LDAP server. As a single server dovecot works great. Now I want to add the "mailHost" attribute which, if present, should indicate the DNS name of the host that contains the person's mailbox. If the mailHost matches the local hostname, the mailbox should be served locally as it already does now. If the mailHost is not the local hostname, dovecot should proxy the request to the given server using SSL on port 993. The docs at http://wiki2.dovecot.org/PasswordDatabase/ExtraFields/Proxy suggest that proxy_always is what I am looking for, but I cannot find any worked examples of how this might work. Has anyone attempted this before? What I have so far is this, but no proxying seems to take place: pass_attrs = mail=user,userPassword=password,\ mailMessageStore=userdb_mail,=proxy_always=y,mailHost=host,=ssl=yes Can anyone confirm? I am using dovecot v2.0.9 as provided out the box by RHEL6. Regards, Graham --

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[Dovecot] 'unknown user' using dovecot LDA
by Charles Marcus 22 Dec '13

22 Dec '13

Ok, one more issue to resolve. The old server was still using the postfix/virtual for delivery, but the new one is using the dovecot LDA. Now, when an email generated locally by a cron job is delivered, this shows in the log: 2013-12-22T10:29:55-05:00 host postfix/pickup[31400]: C67FD90F676B2: uid=0 from=<newsrv+rkhunter(a)example.com> 2013-12-22T10:29:55-05:00 host postfix/cleanup[22349]: C67FD90F676B2: message-id=<20131222152955.C67FD90F676B2(a)smtp2.example.com> 2013-12-22T10:29:55-05:00 host postfix/qmgr[31401]: C67FD90F676B2: from=<newsrv+rkhunter(a)example.com>, size=1555, nrcpt=1 (queue active) 2013-12-22T10:29:55-05:00 host dovecot: auth-worker(22365): passwd(user1(a)example.com): unknown user 2013-12-22T10:29:55-05:00 host dovecot: lda(user1(a)example.com): msgid=<20131222152955.C67FD90F676B2(a)smtp2.example.com>: saved mail to INBOX 2013-12-22T10:29:55-05:00 host postfix/pipe[22361]: C67FD90F676B2: to=<user1+rkhunter-report(a)example.com>, relay=dovecot, delay=0.06, delays=0.02/0/0/0.04, dsn=2.0.0, status=sent (delivered via dovecot service) 2013-12-22T10:29:55-05:00 host postfix/qmgr[31401]: C67FD90F676B2: removed The mail was delivered (as the log also clearly shows), but what is with the 'unknown user'? I'm not sure how I can test my maps with dovecot, but testing with postfix shows: # postmap -q user1(a)example.com mysql:/etc/postfix/maps/mysql/vmm.cf example.com/user1/ Which is correct. And my dovecot-sql-conf.ext contains: driver = mysql connect = "host=localhost dbname=db_name user=dbuser password=password" default_pass_scheme = CRYPT password_query = \ SELECT username AS user, password \ FROM mailbox WHERE username = '%u' user_query = \ SELECT CONCAT('/var/vmail/', maildir) AS home \ FROM mailbox WHERE username = '%u' iterate_query = SELECT username AS user FROM mailbox I confirmed the db info is identical to what postfix is using. Oh - and in order to make sure that all usernames are lowercased, shouldn't I change '%u' above to '%Lu'? Appreciate any suggestions on where to go next... thanks -- Best regards, */Charles/*

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[Dovecot] New server missing auth-worker entries in logs
by Charles Marcus 22 Dec '13

22 Dec '13

Hi all, Ok, I'm making progress on my new server, but there is an entry in the logs on the old/current server that is not showing p on the new one... lines like: dovecot: auth-worker(20284): mysql(localhost): Connected to database my_auth_db I've looked everywhere, compared settings, etc, and can't seem to find why I get this line on the old server and odn't on the new one. Anyone have a clue stick? Thanks

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[Dovecot] File descriptor leak in sieve-extprograms
by Kirill A. Shutemov 21 Dec '13

21 Dec '13

I've tried to use sieve-filter for my inbox (~6000 messages). It failed after some work with this backtrace: sieve-filter(kas): Error: socketpair() failed: Too many open files sieve-filter(kas): Panic: file script-client-local.c: line 155 (script_client_local_disconnect): assertion failed: (pid >= 0) sieve-filter(kas): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x66a71) [0x7f020e717a71] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x2a) [0x7f020e717ada] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f020e6d32ee] -> /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so(+0x4baf) [0x7f020dae0baf] -> /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so(+0x58ca) [0x7f020dae18ca] -> /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so(script_client_fail+0x2f) [0x7f020dae199f] -> /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so(script_client_run+0xc4) [0x7f020dae1fd4] -> /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so(+0x6134) [0x7f020dae2134] -> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_result_execute+0x3ac) [0x7f020ecd1adc] -> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_execute+0x4a) [0x7f020ece05aa] -> /usr/bin/sieve-filter(main+0x6a9) [0x403b49] -> /usr/lib/libc.so.6(__libc_start_ma in+0xf5) [0x7f020e327bc5] -> /usr/bin/sieve-filter() [0x404111] The reason is file descriptor leak in "script client local". script_client_local_close_output() shutdowns write side of descriptor and sets sclient->fd_out to -1, but never closes the descriptor. I've tried to fix this by the patch below. Tests works fine, but sieve-filter crashed in other way: sieve-filter(kas): Panic: epoll_ctl(del, 13) failed: Bad file descriptor sieve-filter(kas): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x66a71) [0x7f0ed406fa71] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x2a) [0x7f0ed406fada] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f0ed402b2ee] -> /usr/lib/dovecot/libdovecot.so.0(+0x776f5) [0x7f0ed40806f5] -> /usr/lib/dovecot/libdovecot.so.0(+0x8009a) [0x7f0ed408909a] -> /usr/lib/dovecot/libdovecot.so.0(io_stream_unref+0x25) [0x7f0ed40764c5] -> /usr/lib/dovecot/libdovecot.so.0(o_stream_unref+0x26) [0x7f0ed4088136] -> /usr/lib/dovecot/libdovecot.so.0(+0x80e48) [0x7f0ed4089e48] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x27) [0x7f0ed407fa47] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xd7) [0x7f0ed40807d7] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f0ed407f5e8] -> /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so(script_client_run+0x9c) [0x7f0ed343af8c] -> /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so(+0x6114) [0x 7f0ed343b114] -> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_result_execute+0x3ac) [0x7f0ed4629adc] -> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_execute+0x4a) [0x7f0ed46385aa] -> /usr/bin/sieve-filter(main+0x6a9) [0x403b49] -> /usr/lib/libc.so.6(__libc_start_main+0xf5) [0x7f0ed3c7fbc5] -> /usr/bin/sieve-filter() [0x404111] I failed to unfold this in a reasonable time. Any ideas? diff --git a/src/plugins/sieve-extprograms/script-client-local.c b/src/plugins/sieve-extprograms/script-client-local.c index 56d32f707c09..f54ef82132cf 100644 --- a/src/plugins/sieve-extprograms/script-client-local.c +++ b/src/plugins/sieve-extprograms/script-client-local.c @@ -139,7 +139,6 @@ static int script_client_local_close_output(struct script_client *sclient) i_error("shutdown(%s, SHUT_WR) failed: %m", sclient->path); return -1; } - sclient->fd_out = -1; return 1; } diff --git a/src/plugins/sieve-extprograms/script-client.c b/src/plugins/sieve-extprograms/script-client.c index 06a5d5d54ba9..6fefca4c9f26 100644 --- a/src/plugins/sieve-extprograms/script-client.c +++ b/src/plugins/sieve-extprograms/script-client.c @@ -68,7 +68,8 @@ static void script_client_disconnect if (sclient->fd_in != -1 && close(sclient->fd_in) < 0) i_error("close(%s) failed: %m", sclient->path); - if (sclient->fd_out != -1 && sclient->fd_out != sclient->fd_out) + if (sclient->fd_out != -1 && sclient->fd_out != sclient->fd_in + && close(sclient->fd_out) < 0) i_error("close(%s/out) failed: %m", sclient->path); sclient->fd_in = sclient->fd_out = -1; -- Kirill A. Shutemov

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[Dovecot] Errors in log file
by Christian Rößner 21 Dec '13

21 Dec '13

Hi, just wonder about some errors I found with: doveadm log errors: … Dec 16 17:21:55 imap(roessner@****): Error: stat(/srv/mail/virtual/*****/roessner/.dovecot.sieve/tmp) failed: Not a directory … And this is correct, it is a link: .dovecot.sieve -> sieve/default.sieve I do not see, where I have an error in my config ;) root@mx ~ # doveconf -n # 2.2.9: /etc/dovecot/dovecot.conf # OS: Linux 3.11.2-hardened x86_64 Gentoo Base System release 2.2 ext4 auth_master_user_separator = * auth_mechanisms = plain login auth_verbose = yes default_vsz_limit = 512 M disable_plaintext_auth = no imap_client_workarounds = tb-extra-mailbox-sep tb-lsub-flags lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c %k mail_access_groups = mail mail_attachment_dir = /srv/mail/copymail/attachments mail_gid = mail mail_location = maildir:/srv/mail/virtual/%d/%n mail_plugins = quota acl fts fts_lucene zlib mail_log notify listescape mail_privileged_group = mail mail_uid = vmail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave namespace { list = children location = maildir:%%h prefix = shared/%%u/ separator = / subscriptions = no type = shared } namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk-E-Mail { auto = subscribe special_use = \Junk } mailbox Junk { special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / type = private } passdb { args = /usr/local/sbin/ispcp-decrypt.py driver = checkpassword } plugin { acl = vfile acl_shared_dict = file:/srv/mail/virtual/shared-mailboxes.db fts = lucene fts_autoindex = yes fts_lucene = whitespace_chars=@. quota = dict:User quota::file:/srv/mail/virtual/%d/%n/dovecot-quota quota_grace = 10%% quota_rule = *:storage=2G:messages=20000 quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 Mailbox is full quota_status_success = DUNNO quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u quota_warning3 = -storage=100%% quota-warning below %u sieve = ~/.dovecot.sieve sieve_dir = ~/sieve zlib_save = gz zlib_save_level = 6 } postmaster_address = postmaster(a)deltaweb.de protocols = imap pop3 lmtp sieve service auth-worker { extra_groups = ssl-cert unix_listener auth-worker { mode = 0600 user = vmail } user = vmail } service auth { extra_groups = ssl-cert unix_listener /var/spool/postfix.relay/private/auth { group = postfix mode = 0660 user = postfix } unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-userdb { mode = 0660 user = vmail } user = vmail } service config { unix_listener config { mode = 0600 user = vmail } } service dict { unix_listener dict { mode = 0600 user = vmail } } service imap-login { inet_listener imaps { port = 993 ssl = yes } } service lmtp { inet_listener lmtp { address = ::1 port = 24 } } service managesieve-login { inet_listener sieve { port = 4190 } inet_listener sieve_deprecated { port = 2000 } } service pop3-login { inet_listener pop3s { port = 995 ssl = yes } } service quota-status { client_limit = 1 executable = quota-status -p postfix inet_listener { port = 12340 } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh user = vmail } ssl_cert = </etc/ssl/certs/mx_deltaweb_de.crt ssl_key = </etc/ssl/private/mx_deltaweb_de.key userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } protocol lmtp { mail_plugins = quota acl fts fts_lucene zlib mail_log notify listescape sieve } protocol lda { mail_plugins = quota acl fts fts_lucene zlib mail_log notify listescape sieve } protocol imap { mail_max_userip_connections = 50 mail_plugins = quota acl fts fts_lucene zlib mail_log notify listescape imap_quota imap_acl imap_zlib } Any ideas? Thanks in advance :) Kind regards -Christian Rößner -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein

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[Dovecot] Ignoring mount points for secondary dovecot instance does not seem to work
by Jouko Nikula 21 Dec '13

21 Dec '13

Hello, I tried to ignore all mountpoints in Dovecot. I have two dovecot instances running: root@fileserver# doveadm instance list path name last used running /usr/local/var/run/dovecot dovecot 2013-12-21 08:09:34 yes /var/run/dovecot.smtp smtp-auth 2013-12-21 08:09:34 yes I give commands: root@fileserver# doveadm mount add '/*' ignore root@fileserver# doveadm -i smtp-auth mount add '/*' ignore And then restart dovecot. In the log I can see that the main instance is now ignoring my mountpoints, but the smtp-auth instance is still warning about my mountpoints. Is this a bug or am I missing something? My configurations are as follows: root@fileserver# doveconf -ni smtp-auth # 2.2.9: /usr/local/etc/dovecot/dovecot.conf.smtp # OS: Linux 3.2.0-4-686-pae i686 Debian 7.1 auth_mechanisms = plain login base_dir = /var/run/dovecot.smtp/ first_valid_uid = 123 instance_name = smtp-auth log_timestamp = "%Y-%m-%d %H:%M:%S " mail_gid = mail mail_location = maildir:~/mail mail_uid = vmail passdb { args = /usr/local/etc/dovecot/dovecot-sql.conf.ext driver = sql } passdb { args = dovecot driver = pam } protocols = service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } } ssl_cert = </etc/ssl/certs/imapd.pem ssl_key = </etc/ssl/private/imapd.pem userdb { args = /usr/local/etc/dovecot/dovecot-sql.conf.ext driver = sql } root@fileserver# doveconf -n # 2.2.9: /usr/local/etc/dovecot/dovecot.conf # OS: Linux 3.2.0-4-686-pae i686 Debian 7.1 auth_mechanisms = plain login first_valid_uid = 123 log_timestamp = "%Y-%m-%d %H:%M:%S " mail_gid = mail mail_location = maildir:~/mail mail_uid = vmail passdb { args = /usr/local/etc/dovecot/dovecot-sql.conf.ext driver = sql } passdb { args = session=yes dovecot driver = pam } protocols = imap service auth-worker { user = vmail } ssl_cert = </etc/ssl/certs/imapd.pem ssl_key = </etc/ssl/private/imapd.pem userdb { args = /usr/local/etc/dovecot/dovecot-sql.conf.ext driver = sql } regards, - Jouko

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