- dovecot - dovecot.org

[Dovecot] child 23925 killed with signal 6
by Jan Behrend 17 Nov '10

17 Nov '10

Dearest list, just now I migrated a pine user to dovecot. Nothing special so far, but then I saw this in my syslog and the user reported, that he got this error message: MAIL FOLDER "INBOX" CLOSED DUE TO ACCESS ERROR Obviously this problem is related to his local filter rules: If commented out everything works like a charm. The corresponding filter rule looks for a "From"-Line in the email header but the filter string itself is empty. I know this filter rule does not make a lot of sense, but nevertheless it shouldn't crash the imap process. If there is any additional information you need please ask. --- snip --- Nov 16 11:25:07 imap-mgt dovecot: imap(username): Panic: file istream-header-filter.c: line 520 (i_stream_create_header_filter): assertion failed: (ret < 0) Nov 16 11:25:07 imap-mgt dovecot: imap(username): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3e81b) [0x7f82a3bc381b] -> /usr/lib/dovecot/libdovecot.so.0(+0x3e876) [0x7f82a3bc3876] -> /usr/lib/dovecot/libdovecot.so.0(i_error+0) [0x7f82a3b9dacf] -> /usr/lib/do vecot/libdovecot.so.0(i_stream_create_header_filter+0x27b) [0x7f82a3babf9b] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_get_header_stream+0x154) [0x7f82a3e4cf04] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_storage_search_next_nonblock+0x530) [0x7f82a3e4e7 e0] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_search_next_nonblock+0x20) [0x7f82a3e36630] -> dovecot/imap() [0x416284] -> dovecot/imap(imap_search_start+0x106) [0x4166f6] -> dovecot/imap(cmd_search+0xc5) [0x40d535] -> dovecot/imap() [0x41032d] -> dovecot/imap() [0x41040d] -> dovecot/imap(client_handle_input+0x135) [0x410635] -> dovecot/imap(client_input+0x5f) [0x410f5f] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xb5) [0x7f82a3bcf205] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x18) [0x7f82a3bce338] -> /usr/lib /dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f82a3bbd0e3] -> dovecot/imap(main+0x2d1) [0x418f91] -> /lib/libc.so.6(__libc_start_main+0xfd) [0x7f82a3436c4d] -> dovecot/imap() [0x408c39] Nov 16 11:25:07 imap-mgt dovecot: master: Error: service(imap): child 23925 killed with signal 6 (core not dumped) --- snip --- doveconf -n: # 2.0.7 (3aced5ececd7): /etc/dovecot/dovecot.conf # OS: Linux 2.6.26-2-amd64 x86_64 Debian 5.0.6 xfs auth_gssapi_hostname = imap.mpifr-bonn.mpg.de auth_mechanisms = plain login gssapi auth_verbose = yes listen = 134.104.18.77 mail_gid = 40000 mail_location = mdbox:/var/mail/%Ln mail_uid = 40000 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 namespace { inbox = yes location = prefix = separator = . } passdb { args = /etc/dovecot/dovecot-ldap-passdb.conf.ext driver = ldap } plugin { sieve = ~/.dovecot.sieve sieve_after = /home/global-after.sieve sieve_dir = ~/sieve } protocols = imap pop3 lmtp sieve service auth { unix_listener auth-userdb { group = vmail } } service lmtp { inet_listener lmtp { address = 134.104.18.77 port = 24 } } service managesieve-login { inet_listener sieve { address = 134.104.18.77 port = 4190 } } ssl = required ssl_cert = </etc/ssl/certs/imap-server.pem ssl_key = </etc/ssl/private/imap-server.key userdb { args = /etc/dovecot/dovecot-ldap-userdb.conf.ext driver = ldap } protocol lmtp { mail_plugins = " sieve" } protocol imap { ssl_cert = </etc/ssl/certs/imap-server.pem ssl_key = </etc/ssl/private/imap-server.key } protocol pop3 { ssl_cert = </etc/ssl/certs/pop3-server.pem ssl_key = </etc/ssl/private/imap-server.key } -- MAX-PLANCK-INSTITUT fuer Radioastronomie Jan Behrend - Rechenzentrum ---------------------------------------- Auf dem Huegel 69, D-53121 Bonn Tel: +49 (228) 525 359, Fax: +49 (228) 525 229 jbehrend(a)mpifr-bonn.mpg.de http://www.mpifr-bonn.mpg.de

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[Dovecot] local users and virtual users
by Egbert Jan van den Bussche 17 Nov '10

17 Nov '10

Hi list, I'm facing this problem: I have a e few local (system) users and a bunch of virtual users (in MySQL). To make it easy for the big group, I've set a default domain which is not the domain of the server (which is just the servername). So the big group logs in with there short name without @<domain>. BUT the few system users (in passwd) cannot login to pop or imap because they get the non-local domain attached and cannot be found in the mysql db but they cannot be found in passdb either with their long name. The same applies when system users give their longname with the local domain which IS the localname of the server. This name is not in mysql nor passdb either. Is there a way to find local users in passdb when the come in with a long name? Do I need another passwd like file (i hope not...) Recap: local Domain is :mail-dev.hobby.nl default domain added bij dovecot is kader.hcc.nl kader users are found in mysql regardless if they give @kader.hcc.nl or not (then it is added) system user are never found since longname is not in mysql nor in passdb. dovecot -n: root@mail-dev:/etc/dovecot# dovecot -n # 1.2.9: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-25-server x86_64 Ubuntu 10.04.1 LTS log_path: /var/log/dovecot/error.log info_log_path: /var/log/dovecot/info.log log_timestamp: %Y-%m-%d %H:%M:%S protocols: imap pop3 imaps pop3s managesieve listen: *, [::] ssl_cert_file: /etc/ssl/certs/ssl-mail.pem ssl_key_file: /etc/ssl/private/ssl-mail.key ssl_cipher_list: ALL:!LOW:!SSLv2:ALL:!aNULL:!ADH:!eNULL:!EXP:RC4+RSA:+HIGH:+MEDIUM disable_plaintext_auth: no verbose_ssl: yes login_dir: /var/run/dovecot/login login_executable(default): /usr/lib/dovecot/imap-login login_executable(imap): /usr/lib/dovecot/imap-login login_executable(pop3): /usr/lib/dovecot/pop3-login login_executable(managesieve): /usr/lib/dovecot/managesieve-login mail_max_userip_connections(default): 10 mail_max_userip_connections(imap): 10 mail_max_userip_connections(pop3): 3 mail_max_userip_connections(managesieve): 10 verbose_proctitle: yes first_valid_uid: 200 mail_privileged_group: vmail mail_location: maildir:~/Maildir mail_debug: yes mmap_disable: yes dotlock_use_excl: no mail_nfs_storage: yes mail_nfs_index: yes mbox_write_locks: fcntl dotlock mail_executable(default): /usr/lib/dovecot/imap mail_executable(imap): /usr/lib/dovecot/imap mail_executable(pop3): /usr/lib/dovecot/pop3 mail_executable(managesieve): /usr/lib/dovecot/managesieve mail_plugins(default): convert autocreate mail_plugins(imap): convert autocreate mail_plugins(pop3): convert autocreate mail_plugins(managesieve): mail_plugin_dir(default): /usr/lib/dovecot/modules/imap mail_plugin_dir(imap): /usr/lib/dovecot/modules/imap mail_plugin_dir(pop3): /usr/lib/dovecot/modules/pop3 mail_plugin_dir(managesieve): /usr/lib/dovecot/modules/managesieve imap_client_workarounds(default): outlook-idle delay-newmail imap_client_workarounds(imap): outlook-idle delay-newmail imap_client_workarounds(pop3): imap_client_workarounds(managesieve): pop3_client_workarounds(default): pop3_client_workarounds(imap): pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh pop3_client_workarounds(managesieve): lda: postmaster_address: postmaster deliver_log_format: msgid=%m: %$ rejection_reason: Your message to <%t> was automatically rejected:%n%r auth_socket_path: /var/run/dovecot/auth-master auth default: mechanisms: plain login realms: kader.hcc.nl hobby.nl default_realm: kader.hcc.nl cache_size: 1024 verbose: yes debug: yes debug_passwords: yes passdb: driver: pam args: failure_show_msg=yes cache_key=%u dovecot passdb: driver: sql args: /etc/dovecot/dovecot-sql.conf userdb: driver: passwd args: mail=maildir:~/Maildir userdb: driver: sql args: /etc/dovecot/dovecot-sql.conf socket: type: listen client: path: /var/spool/postfix/private/dovecot-auth mode: 432 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 384 user: vmail group: vmail plugin: convert_mail: mbox:/disk/mail/convert/%n autocreate: Trash autocreate2: Sent autocreate3: Drafts autocreate4: Spam autosubscribe: Trash autosubscribe2: Sent autosubscribe3: Drafts autosubscribe4: Spam Pse help. TIA! Egbert Jan

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[Dovecot] Dovecot + vpopmail + shared folders
by qmail＠top-consulting.net 17 Nov '10

17 Nov '10

I'm using dovecot 1.2.14 with vpopmail. I've enabled shared folders and the default setup was not working. The default setup being this line: location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u Going through the Archives I saw a message from Timo that said to apply a patch and use this line instead: location = maildir:/usr/home/vpopmail/domains/%d/%%n/Maildir:INDEX=~/Maildir/shared/%%u It seems like the patch is already existing in version 1.2.14 and that line works well for shared folders for domains directly under /usr/home/vpopmail/domains. However, with vpopmail after a certain number of domains, it starts putting them in /usr/home/vpopmail/domains/A, ..domains/B, etc. Shared folders do not work for those domains since my location line is forcing it to look directly in /usr/home/vpopmail/domains/xyz.com instead of /usr/home/vpopmail/domains/A/xyz.com Any workaround this ? How come we can't use %h or ~/ directly ?

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[Dovecot] Dovecot ldap connection reconnecting after inactivity
by Aliet Santiesteban Sifontes 17 Nov '10

17 Nov '10

Hi people, I have a setup configured using ldap, I have noticed that after a period of user inactivity if a client open connections to dovecot first attemps fails with this: Nov 16 19:34:43 cl05-02 dovecot: auth: Error: ldap(user(a)xxx.xx.xx,172.29.13.26): Connection appears to be hanging, reconnecting After the connections to ldap has been restablished everything starts working ok, is this a expected behavior or I'm missing something?? Best regards

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[Dovecot] dovecot-antispam-plugin for dovecot-2.0
by Antonio Perez-Aranda 17 Nov '10

17 Nov '10

I'm migrating a customized dovecot-antispam-plugin from dovecot-antispam-plugn-1.3 which doesn't run in dovecot-2.0 Are any body using dovecot-antispam-plugin adapted to 2.0 from mercurial on a production system? This is the adapted version to dovecot 2.0 http://hg.dovecot.org/dovecot-antispam-plugin/

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[Dovecot] 2.0.7: emails read emails become unread
by Kádár Tamás (KTamas) 17 Nov '10

17 Nov '10

Hi My users are reporting that in public folders, emails that were past read suddenly got unread, sometimes even after marking them as read again. Didn't have such problems with 2.0.6 I think. My dovecot -n: # 2.0.7: /usr/local/etc/dovecot/dovecot.conf # OS: Linux 2.6.26-2-xen-amd64 x86_64 Debian 5.0.6 auth_mechanisms = plain login disable_plaintext_auth = no listen = * mail_location = maildir:~/Maildir mail_plugins = acl maildir_very_dirty_syncs = yes namespace { inbox = yes location = prefix = separator = . type = private } namespace { location = maildir:/home/_shared/projects:INDEX=~/Maildir/_shared prefix = shared. separator = . subscriptions = no type = public } passdb { driver = pam } plugin { acl = vfile mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename flag_change append mail_log_fields = uid box msgid from subject size vsize flags mail_log_group_events = yes } protocols = imap pop3 service imap { executable = imap } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = passwd } verbose_proctitle = yes protocol imap { mail_max_userip_connections = 40 mail_plugins = acl imap_acl }

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[Dovecot] Dovecot 2.0.7 (8793036f6de8) seems to miss some defaults for vsz_limit
by Thomas Leuxner 17 Nov '10

17 Nov '10

Latest Mercurial seems to miss defaults for some services e.g. 'managesieve' and 'lmtp'. Example error message upon start: dovecotdoveconf: Fatal: Error in configuration file /etc/dovecot/dovecot.conf: service(managesieve-login): vsz_limit is too low failed! Regards Thomas

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Re: [Dovecot] Mail history function?
by Jakob Curdes 17 Nov '10

17 Nov '10

Please keep replies to the list so that others can participate. > I sugest the notify, because the admin can know if a user open a > email, copy to another folder, delete the email....etc. > > but using the MTA it can be a solution too. > At least in Germany, doing this is quite risky as this gives lots of information about the person. German law limits the use of profiles like these quite strictly; in general an employer has no business to log all these actions generally. This does not mean it can be helpful for diagnosing problems, but I would not recommend to do so as a general procedure. On the other hands, it is a de-facto requirement today that you can trace every communiction that has entered the company. The only place where you can do this without potentiall missing some messages is the MTA. This is why all the archival tools want to couple to the MTA... JC

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[Dovecot] mailboxes and IMAP folders mirroring ?
by Frank Bonnet 17 Nov '10

17 Nov '10

Hello This is a bit off Dovecot but ... I'm searching some software to mirror mailboxes and IMAP forlders from the mailhub to another (clone) computer. Actually I use rsync daily but I wonder if it exists some software that are real time mirroring capable ? I'm using Dovecot 1.2.14 and Postfix with MBOX format. Thanks

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[Dovecot] Mail history function?
by Oliver Berse 17 Nov '10

17 Nov '10

I'm a newbie at Dovecot. For a company groupware I need a kind of a history function for mails to see which user sent which mail to whom / got which mail from whom. So I have to get the message ID of in- and outgoing mails (and write related data to a mysql database). My first idea was to monitor the log file with a daemon and search for strings like "deliver(x(a)y.z): 2010-11-15 17:34:56 Info: msgid=<AANLkTikoRgUiEg2KgUW2gLmULD4TX-bPst4yhUbuHoEH(a)a.b>". I'm not sure if this is the right approach. Does anyone know a better solution with Dovecot? thanks, Oliver

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