- dovecot - dovecot.org

[Dovecot] NFS Unbreakable lock issues
by Rod Treweek 11 Nov '08

11 Nov '08

Hello All, We are struggling to find a solution to a problem we are encountering with a load-balanced email setup. Currently, we have a Coyote loadbalancer, and 3 Postfix/Dovecot nodes that then get their information from a mysql database. The problem is that after a couple weeks, we start seeing NFS locking issues occur, which then takes email completely down, requiring a site visit to basically do an interactive mode reboot to shut off NFS so that we can remount the filesystem again. We have our mailstore on an Aberdeen NAS which is accessed over NFS v. 4. Dovecot version 1.1.2 Here's the relevant mysql string: grep -v '^ *$#.*$\?$' dovecot-mysql.conf driver = mysql connect = host=X.X.X.X dbname=Something user=Something password=Something password_query = SELECT username as user, password, concat('/NFS1MAILDIR/mailSysV2/', maildir) as userdb_home, concat('maildir:/NFS1MAILDIR/mailSysV2/', maildir) as userdb_mail, 143 as userdb_uid, 143 as userdb_gid, concat('*:bytes=', floor(quota*1024)) AS quota_rule FROM mailbox WHERE username = '%u' AND active = '1' user_query = SELECT concat('/NFS1MAILDIR/mailSysV2/', maildir) as home, concat('maildir:/NFS1MAILDIR/mailSysV2/', maildir) as mail, concat('maildir:/NFS1MAILDIR/mailSysV2/', maildir) as maildir, 143 AS uid, 143 AS gid, concat('*:bytes=', floor(quota*1024)) AS quota_rule FROM mailbox WHERE username = '%u' AND active = '1' And here's what our configuration is on each of the nodes: dovecot -n # 1.1.2: /usr/local/etc/dovecot.conf protocols: imap pop3 ssl_ca_file: /usr/local/etc/dovecot/certs/tdpserver.crt ssl_cert_file: /usr/local/etc/dovecot/certs/tdpserver.crt ssl_key_file: /usr/local/etc/dovecot/certs/tdpserver.key ssl_parameters_regenerate: 0 ssl_cipher_list: ALL:!LOW:!SSLv2 disable_plaintext_auth: no login_dir: /var/run/dovecot/login login_executable(default): /usr/local/libexec/dovecot/imap-login login_executable(imap): /usr/local/libexec/dovecot/imap-login login_executable(pop3): /usr/local/libexec/dovecot/pop3-login login_user: postfix login_greeting: Something witty here.. login_process_per_connection: no login_max_connections: 512 max_mail_processes: 2048 mail_max_userip_connections: 50 verbose_proctitle: yes first_valid_uid: 69 last_valid_uid: 500 first_valid_gid: 69 last_valid_gid: 500 mail_access_groups: postfix mail_privileged_group: postfix mail_location: mbox:/NFS1MAILDIR/mailSysV2/%d/%u:INDEX=/usr/local/mail/indexes/%d/%1n/%n mmap_disable: yes dotlock_use_excl: no mail_nfs_storage: yes mail_nfs_index: yes mail_executable(default): /usr/local/libexec/dovecot/imap mail_executable(imap): /usr/local/libexec/dovecot/imap mail_executable(pop3): /usr/local/libexec/dovecot/pop3 mail_plugins(default): quota imap_quota mail_plugins(imap): quota imap_quota mail_plugins(pop3): quota mail_plugin_dir(default): /usr/local/lib/dovecot/imap mail_plugin_dir(imap): /usr/local/lib/dovecot/imap mail_plugin_dir(pop3): /usr/local/lib/dovecot/pop3 imap_client_workarounds(default): delay-newmail netscape-eoh tb-extra-mailbox-sep imap_client_workarounds(imap): delay-newmail netscape-eoh tb-extra-mailbox-sep imap_client_workarounds(pop3): pop3_client_workarounds(default): pop3_client_workarounds(imap): pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh auth default: mechanisms: login plain user: dovecot passdb: driver: sql args: /usr/local/etc/dovecot-mysql.conf userdb: driver: sql args: /usr/local/etc/dovecot-mysql.conf socket: type: listen client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 384 user: dovecot group: dovecot plugin: quota: dict:user::proxy::quota imap_quota: dict:user::proxy::quota quota_rule: *:storage=528576 dict: quota: mysql:/usr/local/etc/dovecot/dovecot-dict-quota.conf Any help you can offer is greatly appreciated, as well as opinions on any other 'validated' postfix/dovecot email enterprise design solutions. Thanks Very Much In Advance, R.T

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[Dovecot] First release (v0.1.0) of the new Sieve implementation for Dovecot v1.2
by Stephan Bosch 11 Nov '08

11 Nov '08

Hello Dovecot users, Finally, after little more than a year, I finished the first release of the new Sieve implementation for Dovecot. The main reason for rewriting the Sieve engine is to provide more reliable script execution and to provide better error messages to users and system administrators. Also, since the Sieve language evolves quickly, with new language extensions published every year, the aim is to provide support for quickly extending the engine with new features. This implementation aims to comply to RFC8225 and it provides support for the following Sieve language extensions: * fileinto * reject * envelope * encoded-character * vacation * subaddress * relational * regex * imap4flags * copy * include * body * variables In comparison to the old CMU Sieve plugin, I added support for the very useful variables extension. However, the notify extension is notably missing. This will be implemented for next major release (0.2.x). Refer to the README file for a full list of its features: http://hg.rename-it.nl/dovecot-libsieve/raw-file/0.1.0/README Installation ------------ The source package is available as follows: http://www.rename-it.nl/dovecot/1.2/dovecot-1.2-sieve-0.1.0.tar.gz http://www.rename-it.nl/dovecot/1.2/dovecot-1.2-sieve-0.1.0.tar.gz.sig Alternatively, it can be cloned from the mercurial repository: hg clone http://hg.rename-it.nl/dovecot-libsieve The compilation procedure is identical to the cmusieve plugin (http://wiki.dovecot.org/LDA/Sieve) Don't forget to execute ./autogen.sh first if you obtained the sources through mercurial. This release will not compile against Dovecot versions older than v1.2.alpha3. The configuration is very similar to the original plugin as well. The most notable difference is the name of the plugin, which is simply 'sieve' in stead of 'cmusieve'. After compilation, the Sieve engine can be verified before deployment using the included test suite. This is done by executing `make test` in the top of the source tree. The test suite is known to finish flawlessly on the i386 and amd64 platforms. The test suite is not very comprehensive yet, as it only tests the evaluation of scripts and omits testing the actual execution of actions. As this release contains about 30k effective lines of fresh code, bugs will eventually surface. Make sure that you provide enough information to reproduce the problem if you report bugs, i.e. the script and the mail message that caused the problem and/or relevant log entries. Have fun testing the new Sieve plugin. Don't hesitate to notify me when there are problems. Regards, -- Stephan Bosch stephan(a)rename-it.nl IRC: Freenode, #dovecot, S[r]us

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[Dovecot] ocfs2 dovecot
by Robert Schetterer 10 Nov '08

10 Nov '08

Hi Timo, in the wiki there is only talked about gfs filesystem are there any known breaking problems using ocfs2 with dovecot ? in my vmware setup ocfs2 seems to be more debian/ubuntu config friendly like gfs dont got gfs to run, perhaps this might be better on suse/centos/redhat but i simply want to use ubuntu hardy server version -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria

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Re: [Dovecot] dovecot Digest, Vol 67, Issue 19
by Tahir riaz 10 Nov '08

10 Nov '08

Thanks Buddy, I got it working. It was giving error when running make 'undefined reference to `request_init' etc' then I ran it with gmake LDFLAGS+=-lwrap and it worked and everything is working fine. Thanks again for your help Thankyou Tahir Riaz Assistant Director (Systems) COMSATS Internet Services COMSATS Headquarters Building 9, Shahrah-e-Jamhuriat, G-5/2 Islamabad. -----Original Message----- From: dovecot-bounces+tahir.riaz=comsats.net.pk(a)dovecot.org [mailto:dovecot-bounces+tahir.riaz=comsats.net.pk@dovecot.org] On Behalf Of dovecot-request(a)dovecot.org Sent: Friday, November 07, 2008 4:48 PM To: dovecot(a)dovecot.org Subject: dovecot Digest, Vol 67, Issue 19 Send dovecot mailing list submissions to dovecot(a)dovecot.org To subscribe or unsubscribe via the World Wide Web, visit http://dovecot.org/cgi-bin/mailman/listinfo/dovecot or, via email, send a message with subject or body 'help' to dovecot-request(a)dovecot.org You can reach the person managing the list at dovecot-owner(a)dovecot.org When replying, please edit your Subject line so it is more specific than "Re: Contents of dovecot digest..." Today's Topics: 1. Re: Cannot get the libwrap patch work (Edgar Fu?) 2. libwrap patch for 1.1.6 (Edgar Fu?) 3. Re: Cannot get the libwrap patch work (Edgar Fu?) 4. Problem witch dovecot-auth (Grzegorz Zalewski) 5. Problem witch dovecot-auth continue (Grzegorz Zalewski) 6. limit logins by time (Andre H?bner) 7. Re: limit logins by time (Timo Sirainen) 8. Re: limit logins by time (Andre H?bner) 9. Re: limit logins by time (Timo Sirainen) ---------------------------------------------------------------------- Message: 1 Date: Fri, 7 Nov 2008 12:01:43 +0100 From: Edgar Fu? <ef(a)math.uni-bonn.de> Subject: Re: [Dovecot] Cannot get the libwrap patch work To: Dovecot Mailing List <dovecot(a)dovecot.org> Message-ID: <20081107110142.GA304(a)orion.math.uni-bonn.de> Content-Type: text/plain; charset=us-ascii > "Error: login_tcp_wrappers can't be used because Dovecot wasn't built with libwrap" What does the configure script tell you about "tcpd.h usability" and "tcpd.h presence"? What does config.log say about them? ------------------------------ Message: 2 Date: Fri, 7 Nov 2008 12:05:26 +0100 From: Edgar Fu? <ef(a)math.uni-bonn.de> Subject: [Dovecot] libwrap patch for 1.1.6 To: Dovecot Mailing List <dovecot(a)dovecot.org> Message-ID: <20081107110526.GB304(a)orion.math.uni-bonn.de> Content-Type: text/plain; charset="us-ascii" Btw, I've updated the patch for 1.1.6, see attached file.

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Re: [Dovecot] Managesieve: Remote login fails
by Brainkiller - Tom 10 Nov '08

10 Nov '08

Stephan Bosch schreef: >> Brainkiller schreef: >>> Hello, >>> >>> I've been trying to get managesieve to work for our LAN, but when I >>> try to login from a remote host i always get the following line in >>> the log file: >>> dovecot: child 26014 (login) killed with signal 11 >>> >>> When i enable debuging, it just gives me that line, nothing more. I >>> can only login from the localhost through telnet but not from a >>> remote host. >> This is a segmentation fault (crash) and therefore definitely a bug >> in the ManageSieve service. But without more information I cannot fix >> find and fix this bug. You should try to obtain a core dump or a gdb >> trace as explained at http://dovecot.org/bugreport.html . Debugging >> the login daemons can be a little more tricky. I usually attach gdb >> to the managesieve-login process that is handling my connection >> (using the gdb attach command). Be sure to compile dovecot with >> debugging symbols enabled (default Debian packages are stripped). >> >> It is also interesting to know when exactly during the login process >> it crashes. If you login manually from a remote host (as explained in >> section 6 of http://wiki.dovecot.org/ManageSieve) you will be able to >> check where it crashes. If you do not use TLS, you can also sniff the >> traffic between client and server using ngrep to see where the login >> process dies. >> >> Regards, >> Hello again, I tried to get a coredump with the infromation an the provided web-page. However i never got a dump. I used the packages provided by "deb http://xi.rename-it.nl/debian/ testing-auto main". I don't know if these contain the debugging symbols. So it seems i can't provide any further information. Regard, Tom

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[Dovecot] Managesieve: Remote login fails
by Brainkiller 09 Nov '08

09 Nov '08

Hello, I've been trying to get managesieve to work for our LAN, but when I try to login from a remote host i always get the following line in the log file: dovecot: child 26014 (login) killed with signal 11 When i enable debuging, it just gives me that line, nothing more. I can only login from the localhost through telnet but not from a remote host. My conf: # 1.1.6: /etc/dovecot/dovecot.conf # OS: Linux 2.6.26.5.2008.10.03 i686 Debian lenny/sid ext3 log_timestamp: %Y-%m-%d %H:%M:%S protocols: imaps managesieve listen(default): * listen(imap): * listen(managesieve): *:12000 ssl_listen(default): * ssl_listen(imap): * ssl_listen(managesieve): ssl_cert_file: /etc/dovecot/mail.lan-cert.pem ssl_key_file: /etc/dovecot/mail.lan-key.pem ssl_cipher_list: ALL:!LOW:!SSLv2 login_dir: /var/run/dovecot/login login_executable(default): /usr/lib/dovecot/imap-login login_executable(imap): /usr/lib/dovecot/imap-login login_executable(managesieve): /usr/lib/dovecot/managesieve-login login_process_size: 80 login_processes_count: 6 login_max_processes_count: 256 login_max_connections: 1024 mail_access_groups: mail mail_location: maildir:/home/mail/%u mail_executable(default): /usr/lib/dovecot/imap mail_executable(imap): /usr/lib/dovecot/imap mail_executable(managesieve): /usr/lib/dovecot/managesieve mail_plugins(default): quota trash imap_quota fts fts_squat mail_plugins(imap): quota trash imap_quota fts fts_squat mail_plugins(managesieve): mail_plugin_dir(default): /usr/lib/dovecot/modules/imap mail_plugin_dir(imap): /usr/lib/dovecot/modules/imap mail_plugin_dir(managesieve): /usr/lib/dovecot/modules/managesieve imap_client_workarounds(default): tb-extra-mailbox-sep imap_client_workarounds(imap): tb-extra-mailbox-sep imap_client_workarounds(managesieve): dict_db_config: /etc/dovecot/dovecot-db.conf managesieve_implementation_string(default): dovecot managesieve_implementation_string(imap): dovecot managesieve_implementation_string(managesieve): Cyrus timsieved v2.2.13 sieve_storage(default): sieve_storage(imap): sieve_storage(managesieve): /home/mail/sieve/%u/scripts sieve(default): sieve(imap): sieve(managesieve): /home/mail/sieve/%u/dovecot.sieve namespace: type: private separator: / inbox: yes list: yes subscriptions: yes auth default: mechanisms: plain login cache_negative_ttl: 60 passdb: driver: ldap args: /etc/dovecot/dovecot-ldap.conf userdb: driver: ldap args: /etc/dovecot/dovecot-ldap.conf socket: type: listen client: path: /var/run/dovecot/auth-client mode: 432 master: path: /var/run/dovecot/auth-master mode: 438 user: dovecot group: mail plugin: fts: squat sieve: ~/.dovecot.sieve quota: maildir quota_rule: *:storage=190M quota_rule2: Trash:storage=50M acl: vfile:/etc/dovecot/dovecot-acls trash: /etc/dovecot/dovecot-trash.conf

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[Dovecot] antispam plugin claims "antispam signature not found"
by Jakob Curdes 09 Nov '08

09 Nov '08

Hi, I am trying to setup the antispam plugin using the direct dspam backend. I have set antispam_signature = X-DSPAM-Signature in dovecot.conf and in all mails I have signature lines like X-DSPAM-Signature: 1,49084a24139132188715614 but still, if I try to move a mail into the spam folder, i get the IMAP error message "antispam signature not found". I thought it might have to do with permissions and made sure that the user running dovecot is able to execute the dspam binary. I also tried to enable debug logging to syslog (via the .config file in the make process) but I do not see any debug messages showing up; where should these go? to the mail facility? Perhaps somebody who has a working setup can shed some light on this? Yours, JC

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[Dovecot] Install Configuring and run.
by Marko Weber 09 Nov '08

09 Nov '08

Hello,. i installed dovecot with virtual user and domains. but i dont get thru "dovecot-antispam" config. is there any HOWTO, for gentoo , how to setup and configure dovecot-antispam ? with examples for the config files ? maybe i have dspam self totally wrong configured. thanks marko

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Re: [Dovecot] Cannot get the libwrap patch work
by Tahir riaz 08 Nov '08

08 Nov '08

Hello again, Generated the configure script with autoconf. But stiil the same error when I start dovecot "Error: login_tcp_wrappers can't be used because Dovecot wasn't built with libwrap" . Below are the usability and presence report from config.log configure:30349: checking tcpd.h usability configure:30366: gcc -c -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -Wstrict-aliasing=2 -I/usr/kerberos/include conftest.c >&5 configure:30372: $? = 0 configure:30386: result: yes configure:30390: checking tcpd.h presence configure:30405: gcc -E conftest.c configure:30411: $? = 0 configure:30425: result: yes configure:30458: checking for tcpd.h configure:30465: result: yes ac_cv_header_sys_vmount_h=no ac_cv_header_tcpd_h=yes ac_cv_header_ucontext_h=yes Thankyou Tahir Riaz Assistant Director (Systems) COMSATS Internet Services COMSATS Headquarters Building 9, Shahrah-e-Jamhuriat, G-5/2 Islamabad. -----Original Message----- From: Tahir riaz [mailto:tahir.riaz@comsats.net.pk] Sent: Saturday, November 08, 2008 1:00 PM To: 'dovecot(a)dovecot.org' Subject: RE: Cannot get the libwrap patch work Hello, Again the same issue. The patch is not working again. There are no signs of tcpd.h in config.log. Do I have to make changes in configure script also. I am not a pogrammer so I follwed the step by step instructions on editing the described file. Are some other steps required ? configure is used with following parameters ./configure --prefix=/userdata/usr/local/dovecot-1.1.6 --with-libwrap --with-zlib --with-storages=maildir,mbox,raw Thankyou Tahir Riaz Assistant Director (Systems) COMSATS Internet Services COMSATS Headquarters Building 9, Shahrah-e-Jamhuriat, G-5/2 Islamabad. -----Original Message----- From: dovecot-bounces+tahir.riaz=comsats.net.pk(a)dovecot.org [mailto:dovecot-bounces+tahir.riaz=comsats.net.pk@dovecot.org] On Behalf Of dovecot-request(a)dovecot.org Sent: Friday, November 07, 2008 4:48 PM To: dovecot(a)dovecot.org Subject: dovecot Digest, Vol 67, Issue 19 Send dovecot mailing list submissions to dovecot(a)dovecot.org To subscribe or unsubscribe via the World Wide Web, visit http://dovecot.org/cgi-bin/mailman/listinfo/dovecot or, via email, send a message with subject or body 'help' to dovecot-request(a)dovecot.org You can reach the person managing the list at dovecot-owner(a)dovecot.org When replying, please edit your Subject line so it is more specific than "Re: Contents of dovecot digest..." Today's Topics: 1. Re: Cannot get the libwrap patch work (Edgar Fu?) 2. libwrap patch for 1.1.6 (Edgar Fu?) 3. Re: Cannot get the libwrap patch work (Edgar Fu?) 4. Problem witch dovecot-auth (Grzegorz Zalewski) 5. Problem witch dovecot-auth continue (Grzegorz Zalewski) 6. limit logins by time (Andre H?bner) 7. Re: limit logins by time (Timo Sirainen) 8. Re: limit logins by time (Andre H?bner) 9. Re: limit logins by time (Timo Sirainen) ---------------------------------------------------------------------- Message: 1 Date: Fri, 7 Nov 2008 12:01:43 +0100 From: Edgar Fu? <ef(a)math.uni-bonn.de> Subject: Re: [Dovecot] Cannot get the libwrap patch work To: Dovecot Mailing List <dovecot(a)dovecot.org> Message-ID: <20081107110142.GA304(a)orion.math.uni-bonn.de> Content-Type: text/plain; charset=us-ascii > "Error: login_tcp_wrappers can't be used because Dovecot wasn't built with libwrap" What does the configure script tell you about "tcpd.h usability" and "tcpd.h presence"? What does config.log say about them? ------------------------------ Message: 2 Date: Fri, 7 Nov 2008 12:05:26 +0100 From: Edgar Fu? <ef(a)math.uni-bonn.de> Subject: [Dovecot] libwrap patch for 1.1.6 To: Dovecot Mailing List <dovecot(a)dovecot.org> Message-ID: <20081107110526.GB304(a)orion.math.uni-bonn.de> Content-Type: text/plain; charset="us-ascii" Btw, I've updated the patch for 1.1.6, see attached file.

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Re: [Dovecot] Cannot get the libwrap patch work
by Tahir riaz 08 Nov '08

08 Nov '08

Hello, Again the same issue. The patch is not working again. There are no signs of tcpd.h in config.log. Do I have to make changes in configure script also. I am not a pogrammer so I follwed the step by step instructions on editing the described file. Are some other steps required ? configure is used with following parameters ./configure --prefix=/userdata/usr/local/dovecot-1.1.6 --with-libwrap --with-zlib --with-storages=maildir,mbox,raw Thankyou Tahir Riaz Assistant Director (Systems) COMSATS Internet Services COMSATS Headquarters Building 9, Shahrah-e-Jamhuriat, G-5/2 Islamabad. -----Original Message----- From: dovecot-bounces+tahir.riaz=comsats.net.pk(a)dovecot.org [mailto:dovecot-bounces+tahir.riaz=comsats.net.pk@dovecot.org] On Behalf Of dovecot-request(a)dovecot.org Sent: Friday, November 07, 2008 4:48 PM To: dovecot(a)dovecot.org Subject: dovecot Digest, Vol 67, Issue 19 Send dovecot mailing list submissions to dovecot(a)dovecot.org To subscribe or unsubscribe via the World Wide Web, visit http://dovecot.org/cgi-bin/mailman/listinfo/dovecot or, via email, send a message with subject or body 'help' to dovecot-request(a)dovecot.org You can reach the person managing the list at dovecot-owner(a)dovecot.org When replying, please edit your Subject line so it is more specific than "Re: Contents of dovecot digest..." Today's Topics: 1. Re: Cannot get the libwrap patch work (Edgar Fu?) 2. libwrap patch for 1.1.6 (Edgar Fu?) 3. Re: Cannot get the libwrap patch work (Edgar Fu?) 4. Problem witch dovecot-auth (Grzegorz Zalewski) 5. Problem witch dovecot-auth continue (Grzegorz Zalewski) 6. limit logins by time (Andre H?bner) 7. Re: limit logins by time (Timo Sirainen) 8. Re: limit logins by time (Andre H?bner) 9. Re: limit logins by time (Timo Sirainen) ---------------------------------------------------------------------- Message: 1 Date: Fri, 7 Nov 2008 12:01:43 +0100 From: Edgar Fu? <ef(a)math.uni-bonn.de> Subject: Re: [Dovecot] Cannot get the libwrap patch work To: Dovecot Mailing List <dovecot(a)dovecot.org> Message-ID: <20081107110142.GA304(a)orion.math.uni-bonn.de> Content-Type: text/plain; charset=us-ascii > "Error: login_tcp_wrappers can't be used because Dovecot wasn't built with libwrap" What does the configure script tell you about "tcpd.h usability" and "tcpd.h presence"? What does config.log say about them? ------------------------------ Message: 2 Date: Fri, 7 Nov 2008 12:05:26 +0100 From: Edgar Fu? <ef(a)math.uni-bonn.de> Subject: [Dovecot] libwrap patch for 1.1.6 To: Dovecot Mailing List <dovecot(a)dovecot.org> Message-ID: <20081107110526.GB304(a)orion.math.uni-bonn.de> Content-Type: text/plain; charset="us-ascii" Btw, I've updated the patch for 1.1.6, see attached file.

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