- dovecot - dovecot.org

[Dovecot] test
by Timo Sirainen 08 Feb '13

08 Feb '13

mailman archive process seems to have crashed and hasn't been writing to archives. lets see if it works again after restart..

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[Dovecot] v2.1.15 released
by Timo Sirainen 08 Feb '13

08 Feb '13

http://dovecot.org/releases/2.1/dovecot-2.1.15.tar.gz http://dovecot.org/releases/2.1/dovecot-2.1.15.tar.gz.sig v2.1.14's dovecot.index.cache fixes caused Dovecot to use more disk I/O and memory than was necessary.

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[Dovecot] user uknown
by Harford, Ken 08 Feb '13

08 Feb '13

Hi, I upgraded to version 2.1.1 from version 1.0.7 and I am having issues with postfix and dovecot reading my userdb file. Here is my dovecot config: # 2.1.1: /etc/dovecot/dovecot.conf # OS: Linux 2.6.18-308.1.1.el5 x86_64 CentOS release 5.7 (Final) auth_debug = yes auth_socket_path = /var/run/dovecot/auth-userdb default_internal_user = vmail default_login_user = dovecot disable_plaintext_auth = no auth_mechanisms = plain log_path = /var/log/dovecot.log mail_debug = yes mail_location = maildir:~/Maildir mbox_write_locks = fcntl namespace inbox { inbox = yes location = prefix = } passdb { args = username_format=%u /etc/dovecot.ctctmon/%d/userdb driver = passwd-file } postmaster_address = postmaster(a)example.com protocols = imap lmtp service auth { unix_listener auth-userdb { group = vmail mode = 0600 user = vmail } } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } } service imap { process_limit = 1024 } ssl = required ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_key = </etc/pki/dovecot/private/dovecot.pem Here is what I am seeing in logs: Dovecot: Feb 07 17:05:27 auth: Debug: master in: USER 1 ctctsc9@p2-ctctmon.<domain> service=lda Feb 07 17:05:27 auth: Debug: passwd-file(ctctsc9(a)p2-ctctmon.constantcontact.com): lookup: user=ctctsc9@p2-ctctmon.<domain> file=/etc/dovecot.ctctmon/p2-ctctmon.<domain>/userdb Feb 07 17:05:27 auth: Info: passwd-file(ctctsc9@p2-ctctmon.<domain>): unknown user Feb 07 17:05:27 lda: Debug: auth input: Feb 07 17:05:27 auth: Debug: master out: NOTFOUND 1 Postfix: Feb 7 17:07:51 p2-ctctmon101 postfix/pipe[17969]: C91831C8168: to=<ctctsc1(a)p2-ctctmon.domain>, relay=dovecot, delay=0.1, delays=0.09/0/0/0.02, dsn=5.1.1, status=bounced (user unknown) Userdb: ctctsc1:$1$e3k3Xp.u$QdSaJMh79dhivHUuaToDO0:::ctctsc1 Any ideas would be greatly appreciated!! Ken

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[Dovecot] dsync: Invalid server handshake
by Dusan Zivadinovic 08 Feb '13

08 Feb '13

Hi list, I recently tried to backup mailboxes from an older server machine to a new one in order to move the service to the new machine. Both machines are in the same LAN, I used this command: dsync -R -u username backup ssh -i .ssh/id_rsa username(a)192.168.1.11 /opt/local/bin/dsync and I get this error: dsync-local(dz): Error: Invalid server handshake: dsync-server 2 dsync-remote(dz): Error: Invalid client handshake: dsync-client 1 # lokal machine: dovecot 2.0.19apple1 running on Mac OS X 10.8.2 Server using standard Apple-Dovecot-Configuration # remote machine: 2.1.12 running on Mac OS X 10.4 using PAM authentication I cant seem to find any documentation to this error, nor do I find any dsync entries in the logs of both machines. Does anyone have a hint? Thank you, Dusan

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[Dovecot] File permissions used for automatically created mailbox
by Frerich Raabe 07 Feb '13

07 Feb '13

Hi, I'm running Dovecot 2.1.12 on FreeBSD (quite successfully so, thanks for this nice piece of software!). One thing which is slightly annoying though is that automatically created mailboxes (I have lda_mailbox_autocreate set) don't have the file permissions I'd like them to have. I'm using a vmail-based system, i.e. all mail is owned by vmail:vmail; another member of the vmail group is called 'backup', which has read access to all mail in order to create backups. All mail is stored beneath /home/vmail, e.g. /home/vmail/frerich/Maildir Right now, newly created mailbox directories (e.g. /home/vmail/bob) have 0700 permissions, but I'd like to have 0750 for all directories and 0640 for all files so that all files and directories are group-readable for backup purposes. Does anybody know whether this is configurable somehow? Right now, my workaround consists running this cron script every night: #!/bin/sh chown -R vmail:vmail /home/vmail/ find /home/vmail/ -type d -print0 | xargs -0 chmod 0750 find /home/vmail/ -type f -print0 | xargs -0 chmod 0640 -- Frerich Raabe - raabe(a)froglogic.com www.froglogic.com - Multi-Platform GUI Testing

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Re: [Dovecot] Per user special-use folder names
by Joseph Tam 07 Feb '13

07 Feb '13

On Wed, 6 Feb 2013, Timo Sirainen wrote: >> On a related topic, what's the easiest way to alias various common >> mailbox names to one physical mailbox? For example, mapping "Trash", >> "Deleted Messages", "Junk" to the same mailbox? >> >> Would you use the SPECIAL-USE, or is there a better way to do this? >> Namescape configuration? Virtual plugin? > > Ideally SPECIAL-USE will take care of it in future. For now you should > configure it, but also realize that it won't work for all clients. > There's also mailbox_alias plugin in v2.1.10+: > http://wiki2.dovecot.org/Plugins/MailboxAlias (the link will work in a > few minutes). Perfect. I added a link to this page to the parent Plugins page Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] Subfolders problem
by Adam Maciejewski 06 Feb '13

06 Feb '13

I have moved from dovecot 1.x to 2.x and I have big problem with subfolders. When I'm moving subfolder with other subfolders is moving only main subfolder, without subfolders, example : mail-storage-1 /var/vmail/home/adamskitest/mdbox/mailboxes # find | egrep -e "janusz|jarek" ./jarek ./jarek/dbox-Mails ./jarek/dbox-Mails/dovecot.index.log ./jarek/jarek2 ./jarek/jarek2/dbox-Mails ./jarek/jarek2/dbox-Mails/dovecot.index.log ./jarek/jarek2/jarek3 ./jarek/jarek2/jarek3/dbox-Mails ./jarek/jarek2/jarek3/dbox-Mails/dovecot.index.log ./janusz ./janusz/dbox-Mails ./janusz/dbox-Mails/dovecot.index.log ./janusz/janusz2 ./janusz/janusz2/dbox-Mails ./janusz/janusz2/dbox-Mails/dovecot.index.log ./janusz/janusz2/janusz3 ./janusz/janusz2/janusz3/dbox-Mails ./janusz/janusz2/janusz3/dbox-Mails/dovecot.index.log And now I'm moving jarek2 with jarek3 as subfolder to janusz2 subfolder, result : mail-storage-1 /var/vmail/home/adamskitest/mdbox/mailboxes # find | egrep -e "janusz|jarek" ./jarek ./jarek/dbox-Mails ./jarek/dbox-Mails/dovecot.index.log ./jarek/jarek2 ./jarek/jarek2/jarek3 ./jarek/jarek2/jarek3/dbox-Mails ./jarek/jarek2/jarek3/dbox-Mails/dovecot.index.log ./janusz ./janusz/dbox-Mails ./janusz/dbox-Mails/dovecot.index.log ./janusz/janusz2 ./janusz/janusz2/dbox-Mails ./janusz/janusz2/dbox-Mails/dovecot.index.log ./janusz/janusz2/dbox-Mails/dovecot.index.cache ./janusz/janusz2/janusz3 ./janusz/janusz2/janusz3/dbox-Mails ./janusz/janusz2/janusz3/dbox-Mails/dovecot.index.log ./janusz/janusz2/jarek2 ./janusz/janusz2/jarek2/dbox-Mails ./janusz/janusz2/jarek2/dbox-Mails/dovecot.index.log As You can see there is jarek2 subfolder but jarek3 havent been moved. I can see this folder in Thunderbird, after clicking error message pops out saying folder dosent exist. -- Adam Maciejewski

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[Dovecot] Sieve also filter outgoing messages
by Marcio Merlone 06 Feb '13

06 Feb '13

Greetings, A probably simple question and answer: can a sieve script be executed on outgoing messages? I already use deliver on postfix, perhaps the sieve script could be executed when saving to the Sent folder? Regards, -- Marcio Merlone

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[Dovecot] Per user special-use folder names
by Radek Novotný 06 Feb '13

06 Feb '13

Hi all, let me ask a question, please. Is it possible in dovecot to set up per user special-use folder names? Imagine situation with two users where first prefere another language that second. mailbox Sent { special_use = \Sent } for english speaking users and mailbox "Odeslaná pošta" { special_use = \Sent } for czech speaking users. Thanks for your answers. Radek

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Re: [Dovecot] Per user special-use folder names
by Joseph Tam 06 Feb '13

06 Feb '13

On Wed, 6 Feb 2013, Michael M Slusarz wrote: > Quoting Patrick Ben Koetter <p(a)sys4.de>: > >> That's part of what makes SPECIAL-USE so sexy. It is language independent. >> All it does is say "This mailbox is reserved for that particular usage." How >> you call it, is up to you (client). > > Well.... not quite. The problem comes when you have *multiple* sent > mailboxes on your server, which is perfectly acceptable and quite > useful (e.g. an MUA allows multiple identities, and each identity uses > a separate sent-mail mailbox). You can't just blindly show the local > translation for "Sent" for all of the mailboxes, or else you've now > eliminated the user's ability to differentiate between them. On a related topic, what's the easiest way to alias various common mailbox names to one physical mailbox? For example, mapping "Trash", "Deleted Messages", "Junk" to the same mailbox? Would you use the SPECIAL-USE, or is there a better way to do this? Namescape configuration? Virtual plugin? Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] saving to imap folders and namespace settings
by Gustavo Sansone 06 Feb '13

06 Feb '13

hello everyone, i'm new to this list im running dovecot as imap+pop (2.1.12) and roundcube (0.8.4) as client. having problems on saving to imap folders, with errors on some accounts my folder structure is as follow: /home/user/.maildir /home/user/.maildir/.Drafts /home/user/.maildir/.Junk /home/user/.maildir/.Sent /home/user/.maildir/.Trash /home/user/.maildir/.Archives /home/user/.maildir/.Archives.2010 ... i'm very confused with the namespace settings. i don't understand what is the correct way to configure it. don't need public or shared folders. on dovecot.log i can see this error with my account (and all the others), but it seems to work ok using roundcube: imap(gsansone): Error: autocreate: No namespace found for mailbox: Junk with a few accounts, i have this on roundcube log: IMAP Error: Could not save message in Drafts in /var/www/localhost/htdocs/mail/program/steps/mail/sendmail.inc with error on saving to imap folder in roundcube UI send you attached the output of 'dovecot -n' and the roundcube configuration related to folders. does anyone have any suggestion? thanks in advance. -- G. Sansone

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[Dovecot] Trouble when set mail_nfs_index = yes
by Rafael VOlpe TI 06 Feb '13

06 Feb '13

Hi Buddies, dovecot-sql.conf driver = mysql connect = host=127.0.0.1 dbname=postfix user=postfix password=secret default_pass_scheme = plain password_query = SELECT username as user, password \ FROM mailbox WHERE username = '%u' AND active = 1 user_query = SELECT concat("/var/vmail/", maildir) as home, 125 as uid, 125 as gid FROM mailbox WHERE username = '%u' Version: 2.0.19: /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/conf.d/10-mail.conf:157: fsync_disable has been renamed to mail_fsync # OS: Linux 3.2.0-37-generic x86_64 Ubuntu 12.04.2 LTS auth_mechanisms = plain login auth_verbose = yes debug_log_path = /var/log/dovecot-debug.log disable_plaintext_auth = no dotlock_use_excl = no first_valid_gid = 125 first_valid_uid = 125 last_valid_gid = 125 last_valid_uid = 125 log_path = /var/log/dovecot.log mail_debug = yes mail_location = maildir:/%Lh/:INDEX=/%Lh/ mail_nfs_storage = yes mmap_disable = yes passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } protocols = " imap pop3" service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } } service imap-login { inet_listener imap { port = 143 } 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/postfix/ssl/mail.hiway.com.br.crt ssl_key = </etc/postfix/ssl/mail.hiway.com.br.key userdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } verbose_proctitle = yes protocol imap { imap_idle_notify_interval = 2 mins mail_max_userip_connections = 150 } protocol pop3 { pop3_uidl_format = %08Xu%08Xv } ##EOF I use mailbox in nfs share. When i set the option "mail_nfs_index = yes" the dovecot fails to start. Looking at logs, only prompted this: "Feb 6 11:07:25 picapau kernel: [ 1436.376023] init: dovecot main process (4177) terminated with status 89" without more info.

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[Dovecot] Sieve not filtering
by Nicolas Mora 06 Feb '13

06 Feb '13

Hello, I installed a few weeks ago the Dovecot package on a Debian stable along with postfix, everything works fine except the sieve filter. I followed the howto found on the internet (google: debian postfix dovecot sieve). I'm able to view and modify sieve rules with roundcube or thunderbird plugins, but the rules are not applied when a message arrives and all messages arrive in INBOX. Here is the content of my configuration files concerning sieve : dovecot.conf protocols = imap imaps managesieve protocol managesieve { listen = *:2000 } protocol managesieve { mail_executable = /usr/lib/dovecot/managesieve managesieve_max_line_length = 65536 managesieve_logout_format = bytes=%i/%o } protocol lda { postmaster_address = postmaster(a)babelouest.org mail_plugins = sieve mail_plugin_dir = /usr/lib/dovecot/modules/lda log_path = info_log_path = syslog_facility = mail } plugin { sieve_dir=~/Maildir/sieve } And the postfix/main.cf config file contains for dovecot sieve the following maibox_command = /usr/lib/dovecot/dovecot-lda -f "$SENDER" -a "$RECIPIENT" dovecot_destination_recipient_limit = 1 virtual_transport = dovecot I also tried the command mailbox_command = /usr/lib/dovecot/deliver it didn't work either... Is there somthing so obvious that I didn't see it ? Thanks in advance

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[Dovecot] move mail from server with v1.0 to server w. v2.1?
by Frank Lienhard 06 Feb '13

06 Feb '13

I'm about to replace my old server. Both servers are on my internal network. The old one ist running debian lenny(32bit) with dovecot 1.0.15 and the new one debian Wheezy with dovecot 2.1.7. I set up the users on both systems identically (same gid uid). My first attempt was tho simply rsync the Maildirs along with the homes. Both deovecot versions are set up with the maildir format, but this results in ~30% doublicated mails on the new server. I then learned about doveadm/dsync, only to figure out that this isn't available in v 1.0.15 and therefor won't work. So which could be the most painless way to solve that?

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[Dovecot] Dovecot main process killed by KILL signal
by For＠ll 06 Feb '13

06 Feb '13

Hi, I have a dovecot 2.0.7 installed on ubuntu 12.10 and often in dmesg I see "init: dovecot main process (7104) killed by KILL signal", I must restarted dovecot, because I can't access to mailbox. Server hardware: 2x1TB disks 4GB memory 1xCPU 2,4GHz HARDWARE RAID 1 Mailbox ~ 1k dovecot.conf # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 3.5.0-22-generic x86_64 Ubuntu 12.10 xfs auth_mechanisms = plain login auth_verbose = yes default_client_limit = 1500 info_log_path = /var/log/dovecot.info log_path = /var/log/dovecot.log log_timestamp = "%Y-%m-%d %H:%M:%S " mail_location = maildir:/var/mail/virtual/%d/%n/ maildir_very_dirty_syncs = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave namespace { inbox = yes location = prefix = INBOX. separator = . type = private } passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } passdb { driver = pam } plugin { sieve_dir = /var/mail/virtual/%d/%n/sieve sieve_global_dir = /var/mail/virtual/sieve } protocols = sieve imap pop3 service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { mode = 0600 user = vmail } user = root } service imap-login { inet_listener imap { port = 0 } process_limit = 512 } service imap { process_limit = 512 service_count = 0 } service managesieve-login { inet_listener sieve { port = 33919 } } service pop3-login { inet_listener pop3 { port = 0 } } ssl_cert = </etc/postfix/rssl/ssl.crt ssl_key = </etc/postfix/rssl/ssl.key userdb { args = uid=1003 gid=1003 home=/var/mail/virtual/%d/%n allow_all_users=yes driver = static } userdb { driver = passwd } verbose_proctitle = yes protocol lda { auth_socket_path = /var/run/dovecot/auth-master info_log_path = /var/log/dovecot-lda.log lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes log_path = /var/log/dovecot-lda-errors.log mail_plugins = sieve } protocol sieve { disable_plaintext_auth = no } protocol pop3 { pop3_uidl_format = %08Xu%08Xv } Any ideas what's wrong, where is the problem?

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[Dovecot] dsync backup questions
by Joe Beaubien 06 Feb '13

06 Feb '13

Hi, I'm currently trying to setup remote backups of my emails but i'm running into issues (mdbox format, indexes and storage in the same folder hierarchy). Local backup command: dsync -u "my_user" backup /backups/my_user (1) Recently, I noticed that the local backup takes up twice the size as the original mail location (8gb vs. 4gb). I purged alot of emails from the original location, so the size shrunk, but the local backup just keeps on getting bigger. I couldn't find any dsync option that would delete extra emails. - Question: Why isn't the local backup synced properly and remove the extra emails? (2) What is the best why to copy this local backup to a remote location that does NOT have the possibility to run dsync. - Question 1: is rsync safe to use and will this data work for restore? - Question 2: Would it be safe to simply rsync the original mail_location to the remote server? I searched the net, but it seems that mdbox is tricky to backup. Thanks in advance, -Joe

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[Dovecot] Out of memory after upgrading to dovecot 2.0.21
by Arnaud Abélard 05 Feb '13

05 Feb '13

Hello, I've upgraded our servers and now dovecot seems to be running out of memory when accessing my own mailbox (and only mine, which is in a way pretty fortunate): dovecot: imap(abelard-a): Error: mmap() failed with file /vmail/a/b/abelard-a/dovecot.index.cache: Cannot allocate memory imap(abelard-a): Fatal: pool_system_realloc(131072): Out of memory /vmail/a/b/abelard-a/dovecot.index.cache is 224MB big and my mailbox is 72% full of 8GB. any idea of what is happening? Thanks in advance, Arnaud -- Arnaud Abélard jabber: arnaud.abelard(a)univ-nantes.fr / twitter: ArnY Administrateur Système DSI Université de Nantes -

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[Dovecot] Using Mutt - folder atime/mtime etc
by David Woodfall 05 Feb '13

05 Feb '13

Version 2.1.10 For some reason Mutt doesn't list any info about IMAP folders and seems to ignore folder_format. My questions is does anyone have any workarounds for this?

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[Dovecot] Upgrade from 2.1.13 to 2.1.14 and load doubled
by Alessio Cecchi 05 Feb '13

05 Feb '13

Hi, during the weekend I upgrade my mail servers from dovecot 2.1.13 to dovecot 2.1.14 (and rebuild dovecot-2.1-pigeonhole-0.3.3). After upgrade all works fine, but today the load avarage un MXs is doubled. Mailboxes are in Maildir/ on NFS and I'm using dovecot as LDA and dict quota only for quota usage. May be a problem with the new version? This is my configuration: $ ./configure --prefix=/usr/local/dovecot-2.1 --with-vpopmail --with-mysql --with-bzlib --with-zlib # cat /usr/local/dovecot-2.1/etc/dovecot/sieve/default.sieve require ["vnd.dovecot.duplicate", "fileinto", "mailbox"]; if header :contains "X-Spam-Status" "Yes" { fileinto "Spam"; } if header :contains "Subject" "TEST 123" { fileinto "Spam"; } if duplicate { fileinto "Trash"; } ##################### # 2.1.14: /usr/local/dovecot-2.1/etc/dovecot/dovecot.conf # OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.6 auth_cache_size = 512 k auth_worker_max_count = 60 default_login_user = nobody dict { acl = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-share-folder.conf expire = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-dict-sql.conf.ext quota = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-dict-sql.conf.ext } disable_plaintext_auth = no dotlock_use_excl = no first_valid_gid = 89 first_valid_uid = 89 last_valid_gid = 89 last_valid_uid = 89 lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes log_path = /var/log/dovecot/dovecot.log mail_fsync = always mail_location = maildir:~/Maildir mail_nfs_index = yes mail_nfs_storage = yes mail_plugins = quota acl zlib expire maildir_very_dirty_syncs = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date 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 Spam { auto = subscribe special_use = \Junk } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / } passdb { args = cache_key=%s%u webmail=192.168.113.215 driver = vpopmail } plugin { acl = vfile:/usr/local/dovecot-2.1/etc/dovecot/global-acls:cache_secs=300 acl_shared_dict = proxy::acl expire = Trash expire2 = Spam expire_dict = proxy::expire quota = maildir:UserQuota quota2 = dict:User quota::noenforcing:proxy::quota 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_default = /usr/local/dovecot-2.1/etc/dovecot/sieve/default.sieve sieve_dir = ~/sieve sieve_extensions = +vnd.dovecot.duplicate } protocols = imap pop3 sieve service auth { unix_listener auth-userdb { group = vchkpw mode = 0660 user = vpopmail } } service dict { unix_listener dict { group = vchkpw mode = 0660 user = vpopmail } } service imap-login { service_count = 0 } service managesieve-login { inet_listener sieve { port = 4190 } } service pop3-login { service_count = 0 } service quota-warning { executable = script /usr/local/dovecot-2.1/etc/dovecot/scripts/quota-warning.sh unix_listener quota-warning { user = vpopmail } user = vpopmail } ssl_cert = </etc/ssl/certs/wildcard.pem ssl_key = </etc/ssl/private/wildcard.key submission_host = localhost userdb { args = quota_template=quota_rule=*:backend=%q driver = vpopmail } protocol lda { log_path = /var/log/dovecot/lda.log mail_plugins = quota acl zlib expire sieve } protocol imap { imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags imap_idle_notify_interval = 29 mins mail_max_userip_connections = 18 mail_plugins = quota acl zlib expire imap_quota imap_acl } protocol sieve { mail_max_userip_connections = 10 } protocol pop3 { mail_max_userip_connections = 5 pop3_client_workarounds = outlook-no-nuls oe-ns-eoh } Thanks -- 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/ @ PLUG -> ex-Presidente, adesso senatore a vita, http://www.prato.linux.it

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[Dovecot] lmtp-proxying in 2.1 slower than in 2.0.14 ?
by Jan-Frode Myklebust 05 Feb '13

05 Feb '13

We upgraded our two dovecot directors from v2.0.14 to dovecot-ee 2.1.10.3 this week, and after that mail seems to be flowing a lot slower than before. The backend mailstores are untouched, on v2.0.14 still. After the upgrade we've been hitting process_limit for lmtp a lot, and we're struggeling with large queues in the incoming mailservers that are using LMTP virtual transport towards our two directors. I seem to remember 2.1 should have a new lmtp-proxying code. Is there anything in this that maybe needs to be tuned that's different from v2.0 ? I'm a bit scheptical to just increasing the process_limit for LMTP proxying, as I doubt running many hundreds of simultaneous deliveries should work that much better against the backend storage.. ###### doveconf -n ########## # 2.1.10.3: /etc/dovecot/dovecot.conf # OS: Linux 2.6.18-194.32.1.el5 x86_64 Red Hat Enterprise Linux Server release 5.5 (Tikanga) default_client_limit = 4000 director_mail_servers = 192.168.42.7 192.168.42.8 192.168.42.9 192.168.42.10 192.168.42.28 192.168.42.29 director_servers = 192.168.42.15 192.168.42.17 disable_plaintext_auth = no listen = * lmtp_proxy = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave passdb { args = proxy=y nopassword=y driver = static } protocols = imap pop3 lmtp sieve service anvil { client_limit = 6247 } service auth { client_limit = 8292 unix_listener auth-userdb { user = dovecot } } service director { fifo_listener login/proxy-notify { mode = 0666 } inet_listener { port = 5515 } unix_listener director-userdb { mode = 0600 } unix_listener login/director { mode = 0666 } } service imap-login { executable = imap-login director process_limit = 4096 process_min_avail = 4 service_count = 0 vsz_limit = 256 M } service lmtp { inet_listener lmtp { address = * port = 24 } process_limit = 100 } service managesieve-login { executable = managesieve-login director inet_listener sieve { address = * port = 4190 } process_limit = 50 } service pop3-login { executable = pop3-login director process_limit = 2048 process_min_avail = 4 service_count = 0 vsz_limit = 256 M } ssl_cert = </etc/pki/tls/certs/pop.example.com.cert.ca-bundle ssl_key = </etc/pki/tls/private/pop.example.com.key protocol lmtp { auth_socket_path = director-userdb } ################ -jf

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[Dovecot] dsync-local(user): Error: proxy client timed out
by Metro Domain Admin 05 Feb '13

05 Feb '13

Hello, I have an intermittent but frequent problem using dsync backup. The command outputs: dsync-local(user): Error: proxy client timed out Then dies with exit code 75. Any subsequent attempts to re-run the backup invariably fail like this: dsync-local(user): Warning: Destination mailbox INBOX has been modified, need to recreate it before we can continue syncing dsync-local(user): Error: read() from worker server failed: EOF dsync-local(user): Error: msg-copy returned invalid input: dsync-local(user): Error: remote: dsync-remote(user(a)domain.com): Error: Can't delete mailbox INBOX: INBOX can't be deleted. dsync-remote(l_user(a)domain.com): Error: command MSG-SAVE failed dsync-local(user): Warning: Mailbox changes caused a desync. You may want to run dsync again. The syntax I am using is: dsync -u $user backup \ ssh -i <idfile> <user@host> \ dsync -u l_$user We have this running in a script that loops through all users. The error happens mostly on the larger mailboxes but I've seen it succeed on the largest ones then fail on smaller. One mid-sized account now fails consistently. The backup is running from a Mac OS PPC server running 2.1.12 The target is a Linux Intel box running 2.1.13, but I had the same problem sending to a Mac OS Intel on 2.1.12. Mdbox in all cases. Thanks, Tony

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[Dovecot] METADATA / ANNOTATE extensions
by list＠airstreamcomm.net 05 Feb '13

05 Feb '13

According to the roadmap http://wiki2.dovecot.org/Roadmap implementation of the METADATA / ANNOTATE extensions is fairly high on the list. I was just curious if there is a target release in mind for this functionality?

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[Dovecot] Overloading IMAP Server
by Harford, Ken 04 Feb '13

04 Feb '13

Hi All, I am having an issue with dovecot IMAP reading and writing to one specific mailbox. I have a check email delivery script that sends out a email and then logs into dovecot to check if the mailbox that the message has been delivered to. However, the servers that send these messages send them in bunches depending on how many postfix spools it is checking. So I could get 60 messages all being sent to 1 mailbox and then having to read that same mailbox to check if the message actually got delivered. I am using postfix as the MTA and dovecot is actually delivering the message to the mailbox I am getting a lot of errors such as the following: Could not connect to IMAP server imap failed: IMAP RECEIVE CRITICAL - Could not select INBOX Any ideas as to what I can tweak in dovecot to allow these messages to be verified. Thanks for any information or help you could provide!! Ken

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[Dovecot] cmsg cancel <keh8l6$3c9$1@de-l.enfer-du-nord.net>
by Michael Grimm 01 Feb '13

01 Feb '13

ignore Article cancelled by slrn 1.0.1

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[Dovecot] Reviewing end-user ham/spam submissions before feeding them to sa-learn via Dovecot Antispam plug-in
by Ben Johnson 01 Feb '13

01 Feb '13

Currently, I'm using the Dovecot Antispam plug-in with great success. Everything works as expected. However, I would like to change the plug-in's behavior such that it simply sends a copy of a message that is moved from Inbox -> Junk (or Junk -> Inbox) to an administrator, instead of calling sa-learn (I'm using SpamAssassin) automatically. Basically, I would like to be able to review messages that end-users submit for training before they are actually fed to sa-learn. Has anyone had a similar need? If the Antispam plug-in already supports this, if the necessary commands can simply be added to the shell script that Antispam calls, or if there is a better method altogether, any help is greatly appreciated. Thank you! -Ben

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