- dovecot - dovecot.org

[Dovecot] Problem with polish characters and sieve fileinto
by l.chelchowski＠eurocar.pl 06 Apr '12

06 Apr '12

Hi, I have problems with sieve fileinto and polish characters in folder names: # rule:[ąćęłńóśźżĄĆĘŁŃÓŚŹŻ] elsif anyof (header :contains "Subject" "ąćęłńóśźżĄĆĘŁŃÓŚŹŻ") { fileinto "INBOX/&AQUBBwEZAUIBRADzAVsBegF8AQQBBgEYAUEBQwDTAVoBeQF7-"; } dovecot log: Apr 5 15:17:42 mailer dovecot: lmtp(54203, test(a)test1.com) rmHVJHabfU+70wAA9hAjDg: sieve: msgid=<4F7D9B68.4030206(a)test2.com>: stored mail into mailbox 'INBOX' Apr 5 15:17:42 mailer dovecot: lmtp(54203, test(a)test1.com) Error: rmHVJHabfU+70wAA9hAjDg: sieve: execution of script /home/vmail/test1.com/test//.dovecot.sieve failed, but implicit keep was successful (user logfile /home/vmail/test1.com/test//.dovecot.sieve.log may reveal additional details) Apr 5 15:17:42 mailer postfix/lmtp[54202]: 941B1E2681F: to=<test(a)test1.com>, relay=m.test1.com[private/dovecot-lmtp], delay=0.04, delays=0/0.01/0/0.03, dsn=2.0.0, status=sent (250 2.0.0 <test(a)test1.com> rmHVJHabfU+70wAA9hAjDg Saved) dovecot.sieve.log: sieve: info: started log at Apr 05 15:17:42. error: msgid=<4F7D9B68.4030206(a)test2.com>: failed to store into mailbox 'INBOX/&AQUBBwEZAUIBRADzAVsBegF8AQQBBgEYAUEBQwDTAVoBeQF7-' (INBOX/&-AQUBBwEZAUIBRADzAVsBegF8AQQBBgEYAUEBQwDTAVoBeQF7-): Mailbox doesn't exist: INBOX.&-AQUBBwEZAUIBRADzAVsBegF8AQQBBgEYAUEBQwDTAVoBeQF7-. Thanks for help. -- Pozdrawiam Łukasz

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[Dovecot] Courier to Dovecot migration script issue
by xnasx 06 Apr '12

06 Apr '12

Hi! Forgive my bad English. I trying to migrate to Dovecot 2.0.18 from Courier 4.10. I using a script 'courier-dovecot-migrate.pl' from oficial wiki - it works without errors and creating dovecot-uidlist, etc. . I running Dovecot on a different port: 11149. When I connecting to port 11149 from Thunderbird, all my message headers are reloading. Please help me to solve this issue. Best regards, Victor

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[Dovecot] Username bug in '%%' variables selects
by Victor 06 Apr '12

06 Apr '12

Hi! Forgive my bad English. I trying to set up shared folders, but I can't. I shared INBOX of 'victor(a)domain.com' for 'victor(a)testmail.domain.com' There is my debugging results: doveadm acl debug -u victor(a)testmail.domain.com INBOX.shared.victor(a)domain.com. doveadm(victor(a)testmail.domain.com): Error: Couldn't create namespace 'INBOX.shared.' for user victor@domain: userdb didn't return a home directory, but mail_location used it (%h): maildir:%h That's I seen in logs: auth-worker: Debug: sql(victor@domain): SELECT CONCAT('/var/spool/mail/', SUBSTRING_INDEX(email, '@', -1), '/', SUBSTRING_INDEX(email, '@', 1)) as home from `users` WHERE email='victor@domain' What happened with my username? 'victor@domain' is not correct value. My config: namespace { inbox = yes location = prefix = INBOX. separator = . type = private } namespace { hidden = no list = yes location = maildir:%%h prefix = INBOX.shared.%%u. separator = . subscriptions = no type = shared } password_query = \ SELECT email as username, password \ FROM users WHERE email = '%u' user_query = SELECT CONCAT('/var/spool/mail/', SUBSTRING_INDEX(email, '@', -1), '/', SUBSTRING_INDEX(email, '@', 1)) as home from `users` WHERE email='%u' Please, help me! -- Best regards, Victor

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[Dovecot] dovecot: auth: Error: ldap(...) failed: No such object
by Bruce Hammond 06 Apr '12

06 Apr '12

I just installed the 2.1.3 version of dovecot. When I telnet to my dovecot linux server on the imap port (143) and try to login I get the error "No [UNAVAILABLE] Temporary authentication failure" on the telnet display and dovecot: auth: Error: ldap(bhammond_test(a)131.103.212.38,128.121.121.193): ldap_search(base=uid=bhammond_test(a)131.103.212.38,ou=users,dc=aspect filter=(&(objectClass=posixAccount)(productFeature=mail))) failed: No such object in the /var/log/maillog. I am not familiar with ldap and I haven't been able to find anything using google. Anyone have any ideas with the problem? Thanks. Here is my configuration: # 2.1.3: /usr/local/packages/dovecot2/etc/dovecot/dovecot.conf # OS: Linux 2.6.18-274.3.1.el5.secure i686 Red Hat Enterprise Linux Server release 5.7 (Tikanga) auth_mechanisms = plain login auth_verbose = yes default_login_user = dovecot disable_plaintext_auth = no listen = * mail_location = maildir:~/mail passdb { args = /etc/devel/passdb.conf driver = ldap } pop3_lock_session = yes protocols = imap pop3 service auth { user = dovecot } service imap-login { process_limit = 128 process_min_avail = 30 service_count = 0 user = dovecot vsz_limit = 64 M } service pop3-login { process_limit = 128 process_min_avail = 30 service_count = 0 user = dovecot vsz_limit = 64 M } shutdown_clients = no ssl_cert = </etc/ssl.cert ssl_cipher_list = ALL:!LOW!SSLv2 ssl_key = </etc/ssl.key userdb { args = /usr/local/packages/dovecot2/etc/userdb.conf driver = ldap } protocol imap { imap_max_line_length = 64 k } protocol pop3 { pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s pop3_uidl_format = %08Xv%08Xu }

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[Dovecot] create mailboxes in /var/mail via doveadm
by Radim Kolar 05 Apr '12

05 Apr '12

what usedid is used by doveadm for creating mailboxes? can it be setup to run as dovecot:mail? cant create mailbox from command line ponto# ls -ld /var/mail drwxrwxr-x 8 root mail 24 Apr 5 20:35 /var/mail ponto# doveadm mailbox create -u jboss INBOX doveadm(jboss): Error: Can't create mailbox INBOX: Permission denied mail_location = maildir:%h/Maildir:INBOX=/var/mail/%u

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[Dovecot] dovecot and unison
by FZiegler 05 Apr '12

05 Apr '12

I am successfully using dovecot purely as a personal local mail store on my desktop. (There is only one account, and it's only ever accessed by local mail clients on the machine. The point is to have a common store I can use with any client; plus, I prefer dovecot's Mailbox storage to Thunderbird's mboxes.) Now I'd like if possible, to replicate this setup on my laptop and keep both in sync with unison (http://www.cis.upenn.edu/~bcpierce/unison/) which I am already using to sync much of my home dir about once a day. I found at least one positive message regarding this topic (http://dovecot.org/list/dovecot/2010-April/048092.html) but I feel I could use some more advice. Namely, which of the ancillary files should I be syncing (or perhaps deleting before sync)? In addition to the mails themselves I'm seeing: -rw------- 1 fz 501 13 Apr 1 17:10 dovecot-keywords -rw------- 1 fz 501 2483 Apr 1 17:10 dovecot-uidlist -rw------- 1 fz 501 1040 Mar 29 14:50 dovecot.index -rw------- 1 fz 501 44032 Apr 1 17:10 dovecot.index.cache -rw------- 1 fz 501 9772 Apr 1 17:10 dovecot.index.log and at the top level (in .local/var/Maildir/): -rw------- 1 fz 501 8 Apr 1 17:10 dovecot-uidvalidity -r--r--r-- 1 fz 501 0 Apr 1 17:10 dovecot-uidvalidity.4efb323d -rw------- 1 fz 501 3288 Apr 1 17:10 dovecot.mailbox.log -rw------- 1 fz 501 4104 Mar 28 10:53 dovecot.mailbox.log.2 -rw------- 1 fz 501 5114 Apr 1 17:10 subscriptions In my naive trials I ended up at least once in a situation where Thunderbird would not see some subfolders (even though they were there). That's since fixed but I guess my question is, what's the safe recommended way to not have this happen? Thanks, FZiegler

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[Dovecot] Listener not binding to port
by Mike Jones! 05 Apr '12

05 Apr '12

Hello. Dovecot is not binding or listening on port 993 when I start it. $ sudo netstat -tlnp | grep -c 993 0 Dovecot starts fine and runs without complaints. $ sudo service dovecot restart Restarting IMAP/POP3 mail server: dovecot. $ sudo tail /var/log/mail.log Apr 4 13:42:39 mwjones dovecot: master: Warning: Killed with signal 15 (by pid=16238 uid=0 code=kill) Apr 4 13:42:39 mwjones dovecot: master: Dovecot v2.0.18 starting up (core dumps disabled) $ sudo ps -ef | grep -i [d]ovecot root 16243 1 0 13:42 ? 00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf dovecot 16245 16243 0 13:42 ? 00:00:00 dovecot/anvil root 16246 16243 0 13:42 ? 00:00:00 dovecot/log root 16248 16243 0 13:42 ? 00:00:00 dovecot/config Still no listener :( $ sudo netstat -tlnp | grep -c 993 0 Other infos for your scrutiny. $ sudo dovecot --version 2.0.18 $ doveconf -n # 2.0.18: /etc/dovecot/dovecot.conf # OS: Linux 3.2.5-grsec x86_64 Debian wheezy/sid ext4 auth_debug = yes auth_mechanisms = plain login auth_verbose = yes first_valid_uid = 1000 log_timestamp = "%Y-%m-%d %H:%M:%S " mail_debug = yes mail_location = maildir:/home/vmail/%d/%n/Maildir passdb { args = /home/vmail/%d/etc/passwd driver = passwd-file } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } user = root } service imap-login { service_count = 1 } service ssl-params { type = startup } ssl_cert = </etc/apache2/ssl/GandiStandardSSLCA.pem ssl_key = </etc/apache2/ssl/ssl.key userdb { args = /home/vmail/%d/etc/passwd driver = passwd-file } verbose_ssl = yes What am I missing and how do I fix this? Thanks, mwjones

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[Dovecot] Dovecot allows creation of folders outside of a user's directory
by Christoph Bußenius 05 Apr '12

05 Apr '12

Hi, in our dovecot 2.0 setup with shared folders, users can make dovecot create directories outside their mail directory. Which is a bit scary imho. The following command: . create inbox.shared.abc123 or even . create "inbox.shared.strange &ANY- characters" -- even though it will fail with a "permission denied" error -- will create a directory like "/mail/users/strange &ANY- characters". That directory will only contain a subdirectory "Maildir" and therein dovecot-acl-list. I think basically the reason for this behaviour is that Dovecot checks whether the directory has enough ACLs for the user to access it, and auto-creates the directory in the process. Is there way to avoid this auto-creation - or maybe a way to make Dovecot check whether the directory name is an existing username? Here's a config to reproduce this: # 2.0.19: /usr/local/dovecot/etc/dovecot/dovecot.conf # OS: Linux 2.6.32-35-server x86_64 Ubuntu 10.04.4 LTS auth_username_format = %Ln disable_plaintext_auth = no mail_gid = vmail mail_home = /mail/users/%u mail_location = maildir:~/Maildir mail_plugins = " acl" mail_uid = vmail maildir_very_dirty_syncs = yes namespace default { inbox = yes location = prefix = INBOX. separator = . type = private } namespace sharedns { inbox = no list = children location = maildir:/mail/users/%%u/Maildir prefix = INBOX.shared.%%u. separator = . subscriptions = no type = shared } passdb { args = /usr/local/dovecot/etc/dovecot/users driver = passwd-file } plugin { acl = vfile:/usr/local/dovecot/etc/dovecot/global-acls:cache_secs=300 acl_shared_dict = file:/mail/vmail/shared-mailboxes.db } service auth { unix_listener auth-userdb { group = vmail mode = 0660 } } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem syslog_facility = local6 userdb { args = /usr/local/dovecot/etc/dovecot/users driver = passwd-file } protocol lmtp { mail_plugins = " sieve" } protocol imap { imap_client_workarounds = tb-extra-mailbox-sep mail_plugins = " acl imap_acl" } Content of the "users" file looks like this: user1:{plain}(hidden):::user1:/mail/users/user1:: user2:{plain}(hidden):::user2:/mail/users/user2:: testuser:{plain}(hidden):::testuser:/mail/users/testuser:: Cheers, Christoph -- Christoph Bußenius Rechnerbetriebsgruppe der Fakultäten Informatik und Mathematik Technische Universität München +49 89-289-18519 <> Raum 00.05.055 <> Boltzmannstr. 3 <> Garching

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[Dovecot] problem to configuration dovecot and postfix
by Akihiko Sato 05 Apr '12

05 Apr '12

Hi, I'm having a problem with dovecot and postfix. I'm using a dovecot version 2.0.13. Postfix (Version: 2.8.5) config is changed according to the http://wiki2.dovecot.org/LDA/Postfix: I have thought to build a virtual user and virtual mailbox, and use the functionality of the Sieve. However, when the test set, the mail not received the mailbox. Record that there was a "temporary failure" in the log of Postfix. It delivered and to change the "virtual" to "dovecot", I think that's a matter of dovecot. To ensure that mail is delivered as intended, will How do I? Can anyone give me a hint what to do? # doveconf -n: # 2.0.13: /etc/dovecot/dovecot.conf # OS: Linux 3.0.0-12-server x86_64 Ubuntu 11.10 ext4 auth_debug = yes auth_debug_passwords = yes auth_verbose = yes disable_plaintext_auth = no info_log_path = /var/log/dovecot-info.log lda_mailbox_autosubscribe = yes listen = * log_path = /var/log/dovecot.log mail_debug = yes mail_location = maildir:/var/mail/vhosts/%d/%n managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables bo dy enotify environment mailbox date namespace { inbox = yes list = yes location = prefix = INBOX/ separator = / subscriptions = yes type = private } namespace { hidden = no list = yes location = maildir:/var/mail/shared/:INDEX=/var/mail/vhosts/%d/%n/shared/:CONTROL=/var/mail/vhosts/%d/%n/shared/ prefix = &UXFnCQ-/ separator = / subscriptions = yes type = public } passdb { args = /etc/auth/passwd.main driver = passwd-file } passdb { args = username_format=%n /etc/auth/%d/passwd driver = passwd-file } passdb { driver = pam } plugin { sieve = /var/mail/vhosts/%d/%n/_dovecot.sieve sieve_dir = /var/mail/vhosts/%d/%n/sieve/ } postmaster_address = postmaster(a)dom3.gs3 protocols = imap sieve service auth { user = root } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = passwd } userdb { args = /etc/auth/passwd.main driver = passwd-file } userdb { args = username_format=%n /etc/auth/%d/passwd driver = passwd-file } userdb { driver = passwd } protocol imap { mail_plugins = autocreate } protocol lda { mail_plugins = " sieve" } # postconf -n: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix default_transport = error home_mailbox = Maildir/ inet_interfaces = all inet_protocols = all mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-mail-stack-delivery.conf -m "${EXTENSION}" mailbox_size_limit = 1300000000 message_size_limit = 130000000 mydestination = qbu.example.com, qbu, localhost.localdomain, localhost myhostname = qbu mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 myorigin = /etc/mailname readme_directory = no recipient_delimiter = + relay_transport = error relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_sender_restrictions = reject_unknown_sender_domain smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom virtual_alias_maps = hash:/etc/postfix/virtual virtual_gid_maps = static:5000 virtual_mailbox_base = /var/mail/vhosts virtual_mailbox_domains = hash:/etc/postfix/vmaildomains virtual_mailbox_limit = 1300000000 virtual_mailbox_maps = hash:/etc/postfix/vmailbox virtual_minimum_uid = 100 virtual_transport = dovecot virtual_uid_maps = static:5000 /etc/postfix/master.cf: + dovecot unix - n n - - pipe + flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/dovecot-lda -f ${sender} -d ${recipient} /var/log/mail.log: Apr 5 16:38:36 qbu postfix/pickup[25470]: BDC3221212: uid=0 from=<root> Apr 5 16:38:36 qbu postfix/cleanup[25500]: BDC3221212: message-id=<20120405073836.BDC3221212@qbu> Apr 5 16:38:36 qbu postfix/qmgr[25471]: BDC3221212: from=<root(a)qbu.example.com>, size=230, nrcpt=1 (queue active) Apr 5 16:38:36 qbu postfix/pipe[25502]: BDC3221212: to=<a(a)example.com>, relay=dovecot, delay=0.04, delays=0.02/0/0/0.02, dsn=4.3.0, status=deferred (temporary failure) Regards, Akihiko

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[Dovecot] Dovecot upgrade from 1.2.x to 2.0.x: roundcube/squirrelmail sent folder doesn't work any more
by Gerhard Wiesinger 05 Apr '12

05 Apr '12

Hello, After upgrading from 1.2.x to 2.0.x I'm having problems using sent folder in Webmail applications like roundcube mail and squirrelmail. Relevant config dovecot.conf: mail_location = mbox:~:INBOX=/var/mail/%u Different LIST behaviour from rawlog: 1.2.x: with Prefix ~/Mail A002 LIST "" "~/Mail/sent" * LIST (\NoInferiors \UnMarked) "/" "~/Mail/sent" A002 OK List completed. 2.0.x: with Prefix ~/Mail A0003 LIST "" ~/Mail/sent A0003 OK List completed.: Configured prefix for private spaces in roundcube mail is ~/Mail . Roundcube Webmail application checks for existence of the folder but dovecot doesn't return anything in 2.x.latest. Is this by design? Any ideas to fix it by configuration? (I tried prefix Mail/ in roundcube mail without success) Thunderbird works well. Thnx. Ciao, Gerhard

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[Dovecot] Modifying LDAP search results for user_attrs
by Patrick Ben Koetter 05 Apr '12

05 Apr '12

I need to authenticate users via LDAP either by mailaddress or login name. In both cases the mailbox location is /src/mail/%d/%n. I can easily deduct that path from the mailaddress, but not so from the login name. Can I get the mail address as part of fetching user_attrs and modify it on the fly? Something along the lines of this: user_attrs = mail:/srv/mail/%d/%n=home,uidNumber=uid,gidNumber=gid Or would I be able to modify this with a post-login script? p@rick -- state of mind () Digitale Kommunikation http://www.state-of-mind.de Franziskanerstraße 15 Telefon +49 89 3090 4664 81669 München Telefax +49 89 3090 4666 Amtsgericht München Partnerschaftsregister PR 563

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[Dovecot] Backtrace on mdbox index
by Francisco Wagner C. Freire 04 Apr '12

04 Apr '12

Hello, I current using dovecot with mdbox and on one account i get this error: doveadm(user@domain): Panic: file mail-index-sync-ext.c: line 209 (sync_ext_reorder): assertion failed: (offset < (uint16_t)-1) doveadm(user@domain): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3fd8a) [0x7fae684fdd8a] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x32) [0x7fae684fde72] -> /usr/lib/dovecot/libdovecot.so.0(i_error+0) [0x7fae684d719f] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x9bdc3) [0x7fae68c1edc3] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_ext_intro+0x1e6) [0x7fae68c1fa76] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_record+0x49f) [0x7fae68c21a3f] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_map+0x234) [0x7fae68c225a4] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_map+0x86) [0x7fae68c13cd6] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x8b609) [0x7fae68c0e609] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_open+0x210) [0x7fae68c0eaa0] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x591c6) [0x7fae68bdc1c6] -> /usr/lib/dovecot/libdovecot-storage.so.0(mdbox_map_get_zero_ref_files+0x2d) [0x7fae68bdcd6d] -> /usr/lib/dovecot/libdovecot-storage.so.0(mdbox_purge+0xbc) [0x7fae68bde7ac] -> doveadm() [0x40a135] -> doveadm() [0x40a813] -> doveadm(doveadm_mail_single_user+0x61) [0x40a8d1] -> doveadm() [0x40aafd] -> doveadm(doveadm_mail_try_run+0x141) [0x40af11] -> doveadm(main+0x381) [0x4109c1] -> /lib/libc.so.6(__libc_start_main+0xfd) [0x7fae67d6ec8d] -> doveadm() [0x409ff9] Aborted All doveadm commands fail on thie error, index / force-resync / search / fetch etc. Any help?

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[Dovecot] imapsync, namespaces and Dovecot 2.x
by Aleix Dorca 04 Apr '12

04 Apr '12

Hi people, I recently tried to migrate from Exchange using imapsync. It didn't work because it complained that dovecot had no namespace capablity. After looking through Dovecot's config files I found that namespaces could be defined, but if you did not a 'private' default one was created. In the 2.x wiki documentation (http://wiki2.dovecot.org/Migration) it says nothing about Namespaces. I don't know if I have to create one or not. If I add the parameters --sep2 . --prefix2 '' to imapsync then it works fine. I'm proxying using dovecot as frontend and backend, version 2.0.18 (The one that comes with Debian Wheezy). Any thoughts, please? Thanks, Aleix.

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[Dovecot] doveadm user -f index
by Micah Anderson 04 Apr '12

04 Apr '12

I've configured my mail_location to have a different location for performance reasons so they aren't in the same location as the mail_location. The 'doveadm user -f home' is useful to find where a user's home directory is for various scripting purposes, but I can't seem to find a way to determine the location of the user's indexes. I can do something with the output of dovecot -a to find the mail_location and then look for a configured INDEX, but then I don't have a good way of translating the %d/%1n/%n type string formatters into their values for a user. thanks for any suggestions! micah --

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[Dovecot] Dovecot and scalable database storage
by list＠airstreamcomm.net 04 Apr '12

04 Apr '12

I saw some interesting mails from TImo back in 2009 talking about the idea of using something like Cassandra db or similar as a storage platform for both email and index/logs. I was wondering if this has been discussed since then, and if there are any plans to support something like this in the future? I have been playing with Cassandra and found that their RackAwareStrategy gives you the ability to replicate writes to as many nodes as you would like, but more importantly what nodes and one of those nodes could be defined by what rack it lives in or what data center it lives in. This means multiple sites high available storage clusters, seemingly a system that dovecot could benefit from in terms of performance and redundancy and simplicity. Any takers?

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[Dovecot] ldap userdb warning in v2.1.1
by Nikolaos Milas 04 Apr '12

04 Apr '12

Hi, I've upgraded from 2.0.13 to 2.1.1 and when I started the service, I got the following warning: Mar 21 10:07:23 imapserver dovecot: master: Dovecot v2.1.1 starting up (core dumps disabled) Mar 21 10:08:17 imapserverdovecot: auth: Warning: ldap: Ignoring changed user_attrs in /etc/dovecot/dovecot-passdb-ldap.conf, because userdb ldap not used. (If this is intentional, set userdb_warning_disable=yes) I didn't see such warnings in 2.0.13. I guess I should/could remove the "user_attrs" line from dovecot-passdb-ldap.conf because it's not needed? (I could also set "userdb_warning_disable=yes" as advised, but I'm trying to figure out what's the real cause of the warning.) The config follows below. Thanks, Nick ============================================================= protocols = imap pop3 mail_location = maildir:~/Maildir/ mail_gid = 502 mail_uid = 502 auth_mechanisms = plain login auth_username_format = %Lu auth_verbose = yes disable_plaintext_auth = no mail_plugins = quota protocol imap { imap_client_workarounds = "delay-newmail " mail_plugins = quota imap_quota } protocol pop3 { mail_max_userip_connections = 3 mail_plugins = quota pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xv } protocol lda { auth_socket_path = /var/run/dovecot/auth-master info_log_path = log_path = mail_plugins = quota postmaster_address = sysadmin(a)example.com sendmail_path = /usr/lib/sendmail } userdb { args = /etc/dovecot/dovecot-usrdb-ldap.conf driver = ldap } passdb { args = /etc/dovecot/dovecot-passdb-ldap.conf driver = ldap } plugin { quota = maildir:User quota quota_rule = *:storage=4G quota_rule2 = Trash:storage=+3%% quota_warning = storage=75%% quota-warning 75 %u quota_warning2 = storage=90%% quota-warning 90 %u } service quota-warning { executable = script /opt/mail1.sh user = vmail unix_listener quota-warning { user = vmail } } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { group = vmail mode = 0660 user = vmail } user = root } service imap-login { service_count = 1 vsz_limit = 64 M } service pop3-login { service_count = 1 vsz_limit = 64 M } ssl_ca = </etc/pki/tls/certs/chain-650.pem ssl_cert = </etc/pki/tls/certs/cert-650.pem ssl_key = </etc/pki/tls/private/key-650.pem syslog_facility = local1 ============================================================= and dovecot-usrdb-ldap.conf is identical to dovecot-passdb-ldap.conf: ============================================================= hosts = localhost tls = no base = ou=people, dc=example, dc=com scope = onelevel ldap_version = 3 dn = uid=authenticate,ou=System,dc=example,dc=com dnpass = secret auth_bind = yes user_filter = (uid=%u) pass_filter = (uid=%u) pass_attrs = uid=user,userPassword=password auth_bind_userdn = uid=%u,ou=people,dc=example,dc=com user_attrs = roomNumber=quota_rule=*:bytes=%$,uid=home=/home/vmail/%u iterate_filter = (objectClass=*) =============================================================

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[Dovecot] dovecot 2.0.19 Panic: file mail-index-sync-ext.c: line 209 (sync_ext_reorder): assertion failed: (offset < (uint16_t)-1)
by Jim Lawson 04 Apr '12

04 Apr '12

Had a user who couldn't access his INBOX: > Mar 21 09:21:17 penguina dovecot: imap([USER]): Panic: file > mail-index-sync-ext.c: line 209 (sync_ext_reorder): assertion fai > led: (offset < (uint16_t)-1) > Mar 21 09:21:17 penguina dovecot: imap([USER]): Error: Raw backtrace: > /usr/lib/dovecot/libdovecot.so.0 [0x342683c660] -> /usr > /lib/dovecot/libdovecot.so.0 [0x342683c6b6] -> > /usr/lib/dovecot/libdovecot.so.0 [0x342683bb73] -> > /usr/lib/dovecot/libdovecot > -storage.so.0 [0x3426c966a8] -> > /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_ext_intro+0x240) > [0x3426c979c0] -> / > usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_record+0x401) > [0x3426c99151] -> /usr/lib/dovecot/libdovecot-storage.s > o.0(mail_index_sync_map+0x245) [0x3426c99c55] -> > /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_map+0x71b) > [0x3426c8afbb > ] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0x3426c85d8b] -> > /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_open+0x1c > e) [0x3426c8617e] -> > /usr/lib/dovecot/libdovecot-storage.so.0(index_storage_mailbox_open+0xb5) > [0x3426c4d865] -> /usr/lib/dov > ecot/libdovecot-storage.so.0 [0x3426c75eab] -> > /usr/lib/dovecot/libdovecot-storage.so.0 [0x3426c31006] -> > dovecot/imap [hdtod > d 10.245.30.58 SELECT](cmd_ Stack trace made it look like it was the INBOX, so I deleted the index files for his INBOX and everything was OK. doveconf -n: > # OS: Linux 2.6.18-274.18.1.el5 x86_64 Red Hat Enterprise Linux Server > release 5.8 (Tikanga) > auth_gssapi_hostname = penguina.uvm.edu > auth_krb5_keytab = /etc/krb5.keytab.dovecot > auth_master_user_separator = * > auth_mechanisms = plain login gssapi > base_dir = /var/run/dovecot/ > default_process_limit = 250 > first_valid_uid = 50 > lock_method = flock > login_trusted_networks = [REDACTED] > mail_location = mbox:~/mail:INBOX=/var/spool/mail/%1u/%1.1u/%u > mail_max_lock_timeout = 30 secs > mail_max_userip_connections = 100 > mbox_read_locks = flock > mbox_write_locks = flock > mmap_disable = yes > namespace { > inbox = yes > location = > prefix = > separator = / > type = private > } > namespace { > hidden = yes > list = no > location = > prefix = mail/ > separator = / > type = private > } > namespace { > hidden = yes > list = no > location = > prefix = ~/mail/ > separator = / > type = private > } > namespace { > hidden = yes > list = no > location = > prefix = ~%u/mail/ > separator = / > type = private > } > passdb { > args = /etc/dovecot/passwd.masterusers > driver = passwd-file > master = yes > } > passdb { > driver = pam > } > service imap { > process_limit = 4096 > } > service lmtp { > client_limit = 1 > inet_listener lmtp { > port = 24 > } > } > ssl_cert = <[REDACTED] > ssl_key = < [REDACTED] > userdb { > driver = passwd > } > verbose_proctitle = yes Any questions/suggestions welcome. Jim

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[Dovecot] dovecot-auth restaring and caching
by Angel L. Mateo 04 Apr '12

04 Apr '12

Hello, I'm trying to configure dovecot (2.0.13) to cache user and pass dbs. This a mail server whose purpose is only to deliver messages through dovecot lda. My users are in a ldap server. So I have configure auth_cache_size (with 20MB) and auth_cache_ttl (with 1 day). I have checked that caching is being done, and it is. If a send a message to a user, dovecot looks for it in my ldap server. If then I send another, then it uses cache information. The problem I'm having is that if I have no activity in the server, dovecot stops its auth process and when another message is received, it restarted it, but with an empty cache. This is the auth log for the first message: Mar 22 10:29:41 lynx10 dovecot: auth: Debug: Loading modules from directory: /usr/lib/dovecot/modules/auth Mar 22 10:29:41 lynx10 dovecot: auth: Debug: Module loaded: /usr/lib/dovecot/modules/auth/libauthdb_ldap.so Mar 22 10:29:41 lynx10 dovecot: auth: Debug: master in: USER#0111#011amateo#011service=lda Mar 22 10:29:41 lynx10 dovecot: auth: Debug: prefetch(amateo): passdb didn't return userdb entries, trying the next userdb Mar 22 10:29:41 lynx10 dovecot: auth: Debug: userdb-cache(amateo): miss Mar 22 10:29:41 lynx10 dovecot: auth: Debug: ldap(amateo): user search: <search base and filter> fields=irisMailbox,homeDirectory,uidNumber,gidNumber Mar 22 10:29:41 lynx10 dovecot: auth: Debug: ldap(amateo): result: uidNumber(uid)=XXXXX gidNumber(gid)=XXX homeDirectory(home)=XXXXXXXXXX Mar 22 10:29:41 lynx10 dovecot: auth: Debug: master out: USER#0111#011amateo#011uid=XXXXXX#011gid=XXX#011home=XXXXXXXXXXXX And this is the second one, just after a few minutes: Mar 22 10:41:03 lynx10 dovecot: auth: Debug: Loading modules from directory: /usr/lib/dovecot/modules/auth Mar 22 10:41:03 lynx10 dovecot: auth: Debug: Module loaded: /usr/lib/dovecot/modules/auth/libauthdb_ldap.so Mar 22 10:41:03 lynx10 dovecot: auth: Debug: master in: USER#0111#011amateo#011service=lda Mar 22 10:41:03 lynx10 dovecot: auth: Debug: prefetch(amateo): passdb didn't return userdb entries, trying the next userdb Mar 22 10:41:03 lynx10 dovecot: auth: Debug: userdb-cache(amateo): miss Mar 22 10:41:03 lynx10 dovecot: auth: Debug: ldap(amateo): user search: <search base and filter> fields=irisMailbox,homeDirectory,uidNumber,gidNumber Mar 22 10:41:03 lynx10 dovecot: auth: Debug: ldap(amateo): result: uidNumber(uid)=XXXXX gidNumber(gid)=XXX homeDirectory(home)=XXXXXXXXXXX Mar 22 10:41:03 lynx10 dovecot: auth: Debug: master out: USER#0111#011amateo#011uid=XXXXX#011gid=XXX#011home=XXXXXXXXXX This is my configuration: root@lynx10:/etc/dovecot/conf.d# doveconf -n # 2.0.13: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-4-amd64 x86_64 Ubuntu 10.04.4 LTS auth_cache_size = 20 M auth_cache_ttl = 1 days auth_debug = yes auth_verbose = yes hostname = lynx10 passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve sieve_extensions = +imapflags sieve_max_redirects = 15 } postmaster_address = postmaster(a)um.es protocols = " imap lmtp pop3" service auth { unix_listener auth-userdb { mode = 0666 } } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol lmtp { mail_plugins = " sieve" } protocol lda { mail_plugins = " sieve" } Any idea? -- Angel L. Mateo Martínez Sección de Telemática Área de Tecnologías de la Información _o) y las Comunicaciones Aplicadas (ATICA) / \\ http://www.um.es/atica _(___V Tfo: 868887590 Fax: 868888337

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[Dovecot] File/folder permission issues in 2.1.3
by Christian Rößner 04 Apr '12

04 Apr '12

Hi, I figured out that Dovecot does not honer secondary groups with auth/auth-worker (??), if doing LDAP/TLS stuff. I had to use file system acls to add the user "vmail" to /etc/ssl/private and to the corresponding key file: doveconf -n # 2.1.3: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-40-generic-pae i686 Ubuntu 10.04.4 LTS auth_master_user_separator = * auth_mechanisms = plain login auth_verbose = yes hostname = mail.roessner-net.de lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes mail_access_groups = vmail mail_gid = vmail mail_location = mdbox:~/mdbox mail_plugins = autocreate quota acl fts fts_solr zlib mail_log notify 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 = mdbox:%%h/mdbox prefix = shared/%%u/ separator = / subscriptions = no type = shared } namespace inbox { inbox = yes location = mailbox "Deleted Messages" { special_use = \Trash } mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } mailbox junkmail { special_use = \Junk } prefix = separator = / type = private } passdb { args = /etc/dovecot/master-users driver = passwd-file master = yes pass = yes } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { acl = vfile acl_shared_dict = file:/var/mail/virtual/shared-mailboxes.db autocreate = Trash autocreate2 = Sent autocreate3 = Drafts autocreate4 = junkmail autosubscribe = Trash autosubscribe2 = Sent autosubscribe3 = Drafts autosubscribe4 = junkmail fts = solr fts_solr = break-imap-search url=http://localhost:8080/solr/ mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size quota = dict:User quota::file:%h/mdbox/dovecot-quota quota_rule = *:storage=300M:messages=20000 quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_dir = ~/sieve zlib_save = gz zlib_save_level = 6 } protocols = imap pop3 lmtp sieve service auth-worker { unix_listener auth-worker { user = vmail } user = vmail } service auth { unix_listener auth-userdb { mode = 0600 user = vmail } user = vmail } service dict { unix_listener dict { mode = 0600 user = vmail } } service lmtp { inet_listener lmtp { address = ::1 port = 24 } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { user = vmail } user = dovecot } ssl_ca = </ca/psw_net/SSL123_CA_Bundle.pem ssl_cert = </ca/psw_net/mail_roessner-net_de.crt ssl_key = </ca/psw_net/mail_roessner-net_de.key userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } verbose_proctitle = yes protocol lmtp { mail_plugins = autocreate quota acl fts fts_solr zlib mail_log notify sieve } protocol imap { imap_client_workarounds = tb-extra-mailbox-sep tb-lsub-flags mail_max_userip_connections = 50 mail_plugins = autocreate quota acl fts fts_solr zlib mail_log notify imap_quota imap_acl imap_zlib } Normally, mail is placed under /var/mail/virtual as user vmail, group vmail. Is there something wrong with my config that prevents switching to secondary groups? /etc/dovecot/dovecot-ldap.conf.ext: uris = ldap://ldap0.roessner-net.de/ ldap://db.roessner-net.de/ sasl_bind = yes sasl_mech = EXTERNAL tls = yes tls_ca_cert_file = /etc/ssl/certs/ca-certificates.crt tls_cert_file = /etc/ssl/certs/mx0.roessner-net.de.pem tls_key_file = /etc/ssl/private/mx0.roessner-net.de.key.pem tls_require_cert = hard base = ou=people,ou=it,dc=roessner-net,dc=de user_attrs = rnsMSQuota=quota_rule=*:storage=%$,rnsMSMailboxHome=home user_filter = (&(objectClass=rnsMSDovecotAccount)(rnsMSRecipientAddress=%u)) pass_attrs = rnsMSDeliverToAddress=user,userPassword=password pass_filter = (&(objectClass=rnsMSDovecotAccount)(rnsMSRecipientAddress=%u)(rnsMSEnableDovecot=TRUE)) iterate_attrs = rnsMSDovecotUser=user iterate_filter = (objectClass=rnsMSDovecotAccount) default_pass_scheme = CRYPT Thanks in advance. -Christian --- Roessner-Network-Solutions Bachelor of Science Informatik Nahrungsberg 81, 35390 Gießen F: +49 641 5879091, M: +49 176 93118939 USt-IdNr.: DE225643613 http://www.roessner-network-solutions.com

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Re: [Dovecot] Many messages clustered around the same date.saved value
by Joseph Tam 04 Apr '12

04 Apr '12

Timo Sirainen <tss(a)iki.fi> wrote: >>> Which mailbox format? With Maildir the date.saved is taken from >>> dovecot.index.cache file, and in some cases that might get dropped. If >>> it does, then it fallbacks to using the file's ctime. >> >> mbox. > > Ah, with mbox there isn't any usable fallback for date.saved. If it's > not in dovecot.index.cache, the current time is used. I'm a little confused as to why it needed a fallback. In other words, why wasn't date.saved put into the index as soon as the IMAP operation copied it into "Trash"? If this data isn't set at that time, when does it get instantiated? When I actually ask for it? Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] Is it possible to migrating mail to dovecot using imapc?
by Dr Josef Karthauser 04 Apr '12

04 Apr '12

I'm excited to hear that dovecot now supports imap as a mailbox type. I've got a mailbox over on another imap server, which I want to migrate to dovecot. I was wondering whether I could use 'doveadm backup' to setup a two way synchronisation process between the old imap mailbox and the new dovecot mailbox. That way I can do the migration, and can coordinate the mail clients changing where they pick up their email from later. But, I can't find much documentation on imapc, other than it exists. Is this kind of move possible now? Would someone mind giving me some hints as to how to make it work please? Thanks :), Joe

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[Dovecot] dovecot 2.1 breaks FTS + pre-auth?
by dm-list-email-dovecot＠scs.stanford.edu 04 Apr '12

04 Apr '12

Hi. I use dovecot in the simplest possible way, as an IMAP server in pre-auth mode over ssh or just locally over a unix-domain socket (e.g., with offlineimap, which runs much faster using dovecot for the local message store). Ideally I would like to avoid running any extra daemons or setting up anything as root. Until recently, this has worked fine by just setting the CONFIG_FILE environment variable to something in my home directory. Here is my configuration: $ export CONFIG_FILE=$HOME/etc/dovecot.conf $ dovecot -n # 2.1.3: /home/dm/etc/dovecot.conf # OS: Linux 3.2.13-1-ARCH x86_64 mail_location = maildir:~/Mail/inbox mail_plugins = " fts fts_squat" plugin { fts = squat fts_squat = partial=4 full=10 } doveconf: Error: ssl enabled, but ssl_cert not set doveconf: Fatal: Error in configuration file /home/dm/etc/dovecot.conf: ssl enabled, but ssl_cert not set Full text search used to work just fine with this configuration, and still does on a machine I have running dovecot 2.0.13. However, on the machine with 2.1, I get errors about /var/run/dovecot/index not existing. $ printf "a select INBOX\nb search text xyzzy\nc logout\n" \ | /usr/lib/dovecot/imap * PREAUTH [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS SPECIAL-USE] Logged in as dm imap(dm): Error: net_connect_unix(/var/run/dovecot/indexer) failed: No such file or directory ... Needless to say, no dovecot.index.search or dovecot.index.search.uids file is created after this error. While I can't write /var/run/dovecot, this is not a permission issue. For example, adding base_dir=/home/dm (my home directory) to the configuration file yields the same error for /home/dm/indexer. I'm guessing something has changed where imap requires an indexer daemon and doesn't launch it in pre-auth mode any more, but I can't find anything about this in the documentation. In short, if anyone can tell me how to use FTS in conjunction with pre-auth mode or point me to a working example, I would appreciate it.

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[Dovecot] 2.1.3: doveadm mailbox delete lost the -s option
by Micah Anderson 04 Apr '12

04 Apr '12

Looks like the recently added -s (for unsubscribing) option to doveadm mailbox delete went missing: root@vireo# /usr/bin/doveadm mailbox delete -u micahtest -s restored delete: invalid option -- 's' doveadm mailbox delete [-u <user>|-A] [-S <socket_path>] [-s] <mailbox> [...] although the option still is shown as valid :) micah --

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[Dovecot] Dovecot stones
by Timo Sirainen 03 Apr '12

03 Apr '12

For the last few days I've been thinking about my company and what it really should do, and as much as the current plan seems reasonable, I think in good conscience I really can't help but to bring up an alternative plan: The support for Dovecot is quite good already, but wouldn't it be better if it was GUARANTEED that your email server was ALWAYS working with zero downtime or other problems? After some thinking, planning and consulting with my spiritual guides I realized I really should just go ahead and do it: From now on you can buy blessed Dovecot stones (http://www.dovecot.org/tmp/stone1.jpg) which are guaranteed to keep your email server running. I don't think there's really any further reason for me to provide commercial support. Probably the whole Dovecot mailing list will be pretty much useless after this as well, so I might as well stop posting there. If you have any problems, you'll just buy a Dovecot stone and the problem will go away. If for any reason that doesn't work, it means that your problem is more difficult than most and you need to buy a few more stones. Please remember that each shipment may take up to 3 weeks to reach you, so get your stones early and in sufficient quantities. A small email server will be happy enough with a single small Dovecot stone, but the more users you have the more stones you'll likely need. This is because most people are rather unhappy with their lives, and they project their negative energies towards their surroundings, including their email servers. To overcome this negative energy you need to have a counterbalancing positive energy, which the Dovecot stones will provide you. The Dovecot stones are hand painted from the finest materials available to the sister of the author of Dovecot that she could find in the local shops. Each stone contains such love and dedication towards the well being of Dovecot that you will shed tears when you lay your eyes upon their physical being. The images provided here unfortunately don't do justice to them. http://www.dovecot.org/tmp/stone2.jpg - This is how i keep my home desktop running all day every day. I have NEVER broken a single hard drive in my life. I don't even bother to keep backups, because I KNOW it is useless for me. A small Dovecot stone can be bought for 10 euros, a medium sized stone for 100 euros and a large stone for 500 euros. Each large stone can usually handle around 1000-2000 users before you need to buy more. If you have millions of users we'll need to find you a larger rock from my parents' backyard. There are only a limited number of such rocks available (we disposed of most of them to our neighbors' yards years ago), so their prices need to be negotiated in advance.

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[Dovecot] Mail migration troubles
by Spyros Tsiolis 03 Apr '12

03 Apr '12

Hello all, OK, I would really appreciate your help on this. I managed to do a pretty straight-forward and flawless migration on dovecot from one domain to another. However, I have this nagging problem with most of the thunderbird MTAs. When I try to delete some "test" messages I sent to make sure that everything works, it comes back with the following message on the bottom of the Thunderbird window : "The current operation on InBox did not succeed. The mail server for account "Account(a)bloomingdomain.gr" responded [TRYCREATE] mailbox doesn't exist : Trash" Now, I know it has to do something with automatically creating a trash folder. But don't know anything more. Could someone shed some light on this ? Dovecot v1.2.15 AFAIK CentOS 5.5 x86 (32-bit) other stuff On Clients : Thunderbird v11.0.1 (XP Pro / 32-bit) s. ---- "I merely function as a channel that filters music through the chaos of noise" - Vangelis

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