- dovecot - dovecot.org

[Dovecot] Limiting SSL (external) access to certain users ?
by Jakob Curdes 25 Jun '08

25 Jun '08

I am looking for a way to limit outside access to the IMAP server to certain users only. Basic idea is to use two userdbs, one for SSL connections and one "internal" with most users in it. Is there a way to do this without running two dovecot configurations? Thanks for hints, Jakob

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[Dovecot] Multip
by Grandy Fu 25 Jun '08

25 Jun '08

-- Regards, Grandy (CNE, MCSE, CCNA, SCSA,SCNA, CISSP) ************************************ * Technical Support Team * Dept. of Computing, HKPU * e-mail: cswfu(a)comp.polyu.edu.hk * ROOM: QT403, HKPU * TEL: (852)2766-7306 * FAX: (852)2170-0145 ************************************

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[Dovecot] Ubuntu packages [Was: Re: v1.1.1 released]
by Wolfram Schlich 24 Jun '08

24 Jun '08

Has anyone already built 1.1.1 packages for Ubuntu 8.04?! Thanks, Wolfram

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[Dovecot] 1 week after full migration to 1.1v
by Raphael Bittencourt S. Costa 24 Jun '08

24 Jun '08

Ehlo all, I've been working on a migration of about 240K users from one server with qmail, courier imap, maildrop and ldap to postfix, dovecot, lda +sieve. Before the migration the server and the storage were always on high load. Before migration: Storage IOPs = 4600 Read average = 2800 Write average = 1800 Storage CPU (Raid5) Crl0 = 50% Crl1 = 50% Server Load = 120 %user = 35 %system = 60 %iowait = 5 %idle = 0 After migration: Storage IOPs = 3000 Read average = 1200 Write average = 1800 Storage CPU (Raid5) Crl0 = 40% Crl1 = 40% Server Load = 25 %user = 10 %system = 27 %iowait = 40 %idle = 23 And now the server responds so quickly to any imap command. Dovecot is now the default imap/pop server here, Thanks Timo. []s, Raphael Costa

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[Dovecot] Maildir and Invalid data in file
by Patryk 23 Jun '08

23 Jun '08

Hello, I'm using dovecot version 1.0.13 on reiserfs on hardware RAID-0, but I'm getting the following error in the logs every time one user tries to access his old mails in the .Sent directory: dovecot: 2008-06-23 15:09:46 Error: IMAP(marek.chajecki): Invalid data in file /var/mail/Maildir/marek.chajecki/.Sent/dovecot-uidlist As a result he fails to get access to the emails in this folder. I've googled a bit and read that deleting the uidlist makes dovecot recreate it, but after some time the same thing happens. It's a new hard drive, so I don't think this is a hard drive fault. Some additional info: this server is being used by about 200 users who get about 100 emails daily each one of them. Config: root@warsaw Maildir # dovecot -n # 1.0.13: /etc/dovecot/dovecot.conf log_path: /var/log/dovecot.log info_log_path: /var/log/dovecot.log log_timestamp: %Y-%m-%d %H:%M:%S ssl_listen: * login_dir: /var/run/dovecot/login login_executable: /usr/libexec/dovecot/imap-login login_process_per_connection: no login_processes_count: 15 login_max_processes_count: 512 max_mail_processes: 4096 mail_privileged_group: mail mail_location: maildir:/var/mail/Maildir/%u maildir_copy_with_hardlinks: yes auth default: worker_max_count: 100 passdb: driver: pam args: cache_key=%u dovecot userdb: driver: passwd Any help will be appreciated! -- Regards, Patryk Rzadzinski

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[Dovecot] v1.0.13: maildirfolder not being created
by Eduardo M KALINOWSKI 23 Jun '08

23 Jun '08

Hi, I'm using version 1.0.13 of dovecot. I know it's somewhat dated, but that's the latest that Debian etch offers, and I would like to avoid compiling by myself if possible. dovecot is not creating the 'maildirfolder' in folders that are created via IMAP. Looking at the NEWS file, this was implemented in v1.0.rc7, so my version should have that working already. Is there anything else that needs to be done? Here's dovecot -n: # 1.0.13: /etc/dovecot/dovecot.conf log_path: /var/log/dovecot/main.log info_log_path: /var/log/dovecot/info.log log_timestamp: %Y-%m-%d %H:%M:%S ssl_cert_file: /etc/ssl/certs/server.pem ssl_key_file: /etc/ssl/private/server.pem login_dir: /var/run/dovecot/login login_executable: /usr/lib/dovecot/imap-login login_processes_count: 1 first_valid_uid: 100 mail_privileged_group: mail mail_location: maildir:/home/vmail/%d/%n/INBOX:INDEX=/home/vmail/%d/%n/dovecotidx mail_plugins: quota imap_quota auth default: mechanisms: plain login cram-md5 passdb: driver: passwd-file args: /home/vmail/%d/db/passwd passdb: driver: pam userdb: driver: static args: uid=104 gid=8 home=/home/vmail/%d/%n userdb: driver: passwd socket: type: listen client: path: /var/run/dovecot/auth-client mode: 438 plugin: quota: maildir:ignore=Trash -- I want the presidency so bad I can already taste the hors d'oeuvres. Eduardo M KALINOWSKI eduardo(a)kalinowski.com.br http://move.to/hpkb

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[Dovecot] Testing using namespaces
by Kyle Wheeler 23 Jun '08

23 Jun '08

Hey there, I'm interested in testing out using different storage formats for different folder hierarchies. I *think* this can be achieved using namespaces, but I'm not sure. For example, is it possible to, say, make all directories under INBOX.Archive be stored as mboxes, while everything else is stored as Maildirs? ~Kyle -- May your glass be ever full. May the roof over your head be always strong. May you be in heaven half an hour before the devil knows you're dead. -- Old Irish Toast

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[Dovecot] v1.0.15 released
by Timo Sirainen 23 Jun '08

23 Jun '08

http://dovecot.org/releases/1.0/dovecot-1.0.15.tar.gz http://dovecot.org/releases/1.0/dovecot-1.0.15.tar.gz.sig Still some last fixes to v1.0 series: - IMAP: SORT SUBJECT and THREAD didn't create base subjects correctly - Maildir: Expunged messages may have never gotten removed from dovecot-uidlist - mbox: Fixed a crash when adding a new X-IMAPbase: header with keywords. - Multiple "socket listen" auth blocks should have been possible, but Dovecot failed to start with a "With connect auth socket no other sockets can be used in same auth section" error.

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[Dovecot] Some crashes with 1.1.1
by Ralf Hildebrandt 22 Jun '08

22 Jun '08

I'm getting some cra shes with 1.1.1, but even with these start options: #!/bin/sh mkdir /var/core chmod 1777 /var/core echo /var/core/%p > /proc/sys/kernel/core_pattern ulimit -n 65535 ulimit -c unlimited /usr/local/sbin/dovecot -F I'm not getting any corefiles - why? It definitely used to work :) Jun 22 00:05:53 postamt dovecot: imap-login: *** glibc detected *** imap-login: free(): invalid pointer: 0x08cbd600 *** Jun 22 00:05:53 postamt dovecot: child 28879 (login) killed with signal 6 Jun 22 00:29:58 postamt dovecot: imap-login: *** glibc detected *** imap-login: malloc(): memory corruption: 0x09db3d88 *** Jun 22 00:29:58 postamt dovecot: child 28883 (login) killed with signal 6 Jun 22 00:47:07 postamt dovecot: imap-login: *** glibc detected *** imap-login: free(): invalid pointer: 0x090693d8 *** Jun 22 00:47:07 postamt dovecot: child 28876 (login) killed with signal 6 Jun 22 02:47:27 postamt dovecot: child 28885 (login) killed with signal 11 Jun 22 10:06:19 postamt dovecot: imap-login: *** glibc detected *** imap-login: malloc(): memory corruption: 0x091ee0a0 *** Jun 22 10:06:19 postamt dovecot: child 28887 (login) killed with signal 6 Jun 22 15:20:21 postamt dovecot: imap-login: *** glibc detected *** imap-login: malloc(): memory corruption: 0x09f84718 *** Jun 22 15:20:21 postamt dovecot: child 12530 (login) killed with signal 6 -- Ralf Hildebrandt (Ralf.Hildebrandt(a)charite.de) snickebo(a)charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de All the features in the world only do more to make me believe that Sendmail is hopelessly baroque, like some huge construction with chrome and tailfins sticking out in every direction -- like some monstrocity sculpted by people not the least bit interested in correctness.

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[Dovecot] no maildirsize file being created -dovecot v1.1
by Barry R Cisna 22 Jun '08

22 Jun '08

Hi Timo, Thanks for the info. You are exactly right ,,after I done some researching. by default the Fedora and El distros setups up mail folders in mbox format. My Bad. I was always under the impression default was maildir.I have used sendmail>Procmail>dovecot>squirrelmail for my new setup same as the last email server setup.I found that sendmail seems to be much less CPU intensive than postfix,or I did not have the config correctly as postfix was easy to setup but really choked our email server when a secretary " bulk emailed" everyone in the school district. I have learned a lot about this in the last couple days. I thought I knew a little bit about this,but obviously I didn't know a thing. I am going to go with the default dovecot rpm that ships with EL5 1.0.1x as this does what all I need to have done. My main concern is the check_quota plugin available for Squirrelmail works,and with the dirsize quota directive put into dovecot.conf this is working very slick, and appears to be reporting very accurately.Now hopefully some teachers will not end up with 1GB mail folders!! and complaining the mail server is so slow when they check their email via Squirrelmail at home! Thanks again for steering me straight! Take Care, Barry Cisna

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[Dovecot] Cygwin and dovecot-auth problems
by TBlack 22 Jun '08

22 Jun '08

Hi all. I'm trying to install Dovecot 1.1.rc13 on Cygwin. I've read the related posts, and I realize that maybe there's no solution at present; since I'm having a different error, though, I'm posting it here. Compilation succeeds. Starting dovecot from command line results in: Warning: fd limit 256 is lower than what Dovecot can use under full load (more than 640). Either grow the limit or change login_max_processes_count and max_mail_processes settings Warning: Last died with error (see error log for more information): Auth process died too early - shutting down Trying to run just dovecot-auth outputs: dovecot-auth: Fatal: MECHANISMS environment is unset Now, if I try to set an environment variable called MECHANISMS (say, export MECHANISMS=plain) I get a different error: dovecot-auth: Fatal: No passdbs specified in configuration file. PLAIN mechanism needs one This is the output of dovecot -n: # 1.1.rc13: /usr/local/etc/dovecot.conf Warning: fd limit 256 is lower than what Dovecot can use under full load (more than 640). Either grow the limit or change login_max_processes_count and max_mail_processes settings log_path: /tmp/logs/dovecot-error.log info_log_path: /tmp/logs/dovecot-other.log listen: 127.0.0.1 ssl_disable: yes ssl_cipher_list: ALL:!LOW:!SSLv2 disable_plaintext_auth: no login_dir: /usr/local/var/run/dovecot/login login_executable: /usr/local/libexec/dovecot/imap-login login_user: MyUser login_greeting: Yo, mate. login_process_per_connection: no login_greeting_capability: yes login_process_size: 0 mail_max_userip_connections: 20 verbose_proctitle: yes mail_location: maildir:~/Maildir mail_process_size: 0 auth default: verbose: yes debug: yes process_size: 0 passdb: driver: passwd-file args: /etc/passwd userdb: driver: passwd-file args: /etc/passwd Any clues or suggestions, anything I could try...? ^__^ Thanks, Angelo ___________________________________ Scopri il Blog di Yahoo! Mail: trucchi, novità, consigli... e la tua opinione! http://www.ymailblogit.com/blog/

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[Dovecot] Using sork-passwd from Horde to change dovecot password
by Eduardo M KALINOWSKI 22 Jun '08

22 Jun '08

I'm using in my server dovecot and Horde to provide IMAP and Webmail for virtual users. Their password are stored in a passwd file, since the setup is quite simple and small. I'd like to use the Horde module sork-passwd to allow changing of the passwords. Apparently, this can be done for the case of passwd file by using an expect script, or simply calling a program that receives the data. It should not be hard to write a Perl (or Python, or whatever) script that does that. I'm just asking if someone has already done that and is willing to share the solution.

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[Dovecot] SSL + compression?
by Ed W 21 Jun '08

21 Jun '08

OK, my interested is piqued now - does anyone have a recipe for how to make openssl compress the traffic before encrypting it? (Or perhaps it does by default?) Ed W

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[Dovecot] no maildirsize file being created -dovecot v1.1
by Barry R Cisna 21 Jun '08

21 Jun '08

Hi Timo, I changed the maildir directive in my dovecot.conf as you suggested. The maildirsize file IS created now , but, the ~/mail folder structure is now showing all messed up for the user that logs into Squirrelmail for example: Before the mail_location was changed; ~/mail/Drafts,Sent,Trash,.subsciptions/.imap/Drafts,INBOX,Sent,Trash After, mail_location = maildir:~/mail ~/mail/cur/new/tmp/.Drafts,.Sent,.Trash,dovecot.index.log,subsciptions,maildirsize/.imap/Drafts/INBOX/Sent/Trash Notice how after the maildir directive change there are .DOT in front of Drafts,Sent,Trash as well as no .DOT in front of subsciptions,as well as the added cur,new,tmp directories under the ~/mail folder?? And yes this is the default EL5 install with maildir storage( not mbox). As I stated earlier, if i simply 'rpm -e dovecot' them 'rpm -ivh dovecot' with the default install of the dovecot rpm that shipps with EL5 everything comes up correctly as far as quotas for dovecot, Squirrelmail,etc. I think I may just stick with the default dovecot1.0.1.2-rc15.el rpm that ships with EL5 for now. I'm afraid of other underlying problems i may find as I we start using dovecot v1.1 when school starts then I will be in trouble! Another sidenote: After installing dovecot1.1 rpm dovecot appears to start fine with no errors,,but it is not actually listening on port 143 by doing an nmap localhost. I had to change listen = [::] to listen = * then restart dovecot,then dovecot was listening on port 143 as it should. Thanks for the help, Barry Cisna

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[Dovecot] dovecot-1.1.0: child (imap) killed with signal 11
by Thomas Zajic 21 Jun '08

21 Jun '08

Upgraded to dovecot-1.1.0 today, and activated the fts_lucene plugin. On login with Thunderbird-2.0.0.14, dovecot crashes over and over: Jun 21 14:07:17 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:17 airframe dovecot: child 5712 (imap) killed with signal 11 Jun 21 14:07:17 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:17 airframe dovecot: child 5715 (imap) killed with signal 11 Jun 21 14:07:17 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:17 airframe dovecot: child 5718 (imap) killed with signal 11 Jun 21 14:07:17 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:17 airframe dovecot: child 5721 (imap) killed with signal 11 Jun 21 14:07:17 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:17 airframe dovecot: child 5724 (imap) killed with signal 11 Jun 21 14:07:18 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:18 airframe dovecot: child 5735 (imap) killed with signal 11 Jun 21 14:07:18 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:18 airframe dovecot: child 5738 (imap) killed with signal 11 Jun 21 14:07:18 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:18 airframe dovecot: child 5741 (imap) killed with signal 11 Jun 21 14:07:18 airframe dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=192.168.1.1, lip=192.168.1.3, TLS Jun 21 14:07:18 airframe dovecot: child 5744 (imap) killed with signal 11 [root@airframe]:~# dovecot --version 1.1.0 [root@airframe]:~# dovecot -n # 1.1.0: /usr/local/etc/dovecot.conf login_dir: /usr/local/var/run/dovecot/login login_executable: /usr/local/libexec/dovecot/imap-login login_greeting_capability: yes mail_max_userip_connections: 20 verbose_proctitle: yes mail_location: maildir:/home/%u/Maildir:INBOX=/home/%u/Maildir/.INBOX fsync_disable: yes mail_drop_priv_before_exec: yes mail_plugins: expire fts fts_squat fts_lucene dict_db_config: /usr/local/etc/dovecot-db.conf auth default: mechanisms: plain digest-md5 cram-md5 passdb: driver: shadow args: blocking=yes passdb: driver: passwd-file args: /usr/local/etc/dovecot-passwd userdb: driver: passwd args: blocking=yes socket: type: listen master: path: /usr/local/var/run/dovecot/auth-master mode: 384 plugin: expire: Trash 30 Trash/* 30 Junk 60 expire_dict: proxy::expire fts: squat lucene fts_squat: partial=4 full=6 dict: expire: db:/usr/local/var/lib/dovecot/expire.db [root@airframe]:~# gdb /usr/local/libexec/dovecot/imap ~user/core GNU gdb 6.6 Copyright (C) 2006 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i486-slackware-linux"... Using host libthread_db library "/lib/libthread_db.so.1". warning: Can't read pathname for load map: Input/output error. Reading symbols from /usr/local/lib/libgc.so.1...done. Loaded symbols for /usr/local/lib/libgc.so.1 Reading symbols from /lib/libc.so.6...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/libdl.so.2...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /lib/libpthread.so.0...done. Loaded symbols for /lib/libpthread.so.0 Reading symbols from /usr/lib/libgcc_s.so.1...done. Loaded symbols for /usr/lib/libgcc_s.so.1 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /usr/local/stow/dovecot-1.1.0/lib/dovecot/imap/lib20_expire_plugin.so...done. Loaded symbols for /usr/local/lib/dovecot/imap/lib20_expire_plugin.so Reading symbols from /usr/local/stow/dovecot-1.1.0/lib/dovecot/imap/lib20_fts_plugin.so...done. Loaded symbols for /usr/local/lib/dovecot/imap/lib20_fts_plugin.so Reading symbols from /usr/local/stow/dovecot-1.1.0/lib/dovecot/imap/lib21_fts_lucene_plugin.so...done. Loaded symbols for /usr/local/lib/dovecot/imap/lib21_fts_lucene_plugin.so Reading symbols from /usr/local/lib/libclucene.so.0...done. Loaded symbols for /usr/local/lib/libclucene.so.0 Reading symbols from /usr/lib/libstdc++.so.6...done. Loaded symbols for /usr/lib/libstdc++.so.6 Reading symbols from /lib/libm.so.6...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /usr/local/stow/dovecot-1.1.0/lib/dovecot/imap/lib21_fts_squat_plugin.so...done. Loaded symbols for /usr/local/lib/dovecot/imap/lib21_fts_squat_plugin.so Core was generated by `imap [user 192.168.1.1]'. Program terminated with signal 11, Segmentation fault. #0 0xb7faecd2 in lucene_index_select_mailbox (index=0x0, mailbox_name=0x815c1b0 "INBOX") at lucene-wrapper.cc:206 206 i_free(index->mailbox_name); (gdb) bt full #0 0xb7faecd2 in lucene_index_select_mailbox (index=0x0, mailbox_name=0x815c1b0 "INBOX") at lucene-wrapper.cc:206 No locals. #1 0xb7fadcb6 in fts_backend_select (backend=0x8192fa0) at fts-backend-lucene.c:37 No locals. #2 0xb7fadd6b in fts_backend_lucene_expunge (_backend=0x8192fa0, mail=0x8199028) at fts-backend-lucene.c:164 backend = (struct lucene_fts_backend *) 0x80f3340 #3 0xb7fb3841 in fts_backend_expunge (backend=0x8192fa0, mail=0x8199028) at fts-api.c:118 No locals. #4 0xb7fb4908 in fts_mail_expunge (_mail=0x8199028) at fts-storage.c:518 fbox = (struct fts_mailbox *) 0x8164e10 #5 0x0806130c in imap_expunge (box=0x815c028, next_search_arg=0x0) at imap-expunge.c:31 ctx = (struct mail_search_context *) 0x8171b58 t = (struct mailbox_transaction_context *) 0x8192eb0 mail = (struct mail *) 0x8199028 search_arg = {next = 0x0, type = SEARCH_FLAGS, value = {subargs = 0x0, seqset = 0x0, str = 0x0, time = 0, size = 0, flags = MAIL_DELETED, keywords = 0x0}, context = 0x0, hdr_field_name = 0x0, not = 0, match_always = 0, result = -1} failed = <value optimized out> #6 0x0805b505 in cmd_expunge (cmd=0x8165028) at cmd-expunge.c:62 client = (struct client *) 0x8162f50 #7 0x0805f8ed in client_command_input (cmd=0x8165028) at client.c:580 client = (struct client *) 0x8162f50 command = <value optimized out> __PRETTY_FUNCTION__ = "client_command_input" #8 0x0805f9b9 in client_command_input (cmd=0x8165028) at client.c:629 client = (struct client *) 0x8162f50 command = (struct command *) 0x4 __PRETTY_FUNCTION__ = "client_command_input" #9 0x080601af in client_handle_input (client=0x8162f50) at client.c:670 _data_stack_cur_id = 3 ret = <value optimized out> remove_io = <value optimized out> handled_commands = false #10 0x080603e5 in client_input (client=0x8162f50) at client.c:725 cmd = <value optimized out> output = (struct ostream *) 0x8164f64 bytes = 11 __PRETTY_FUNCTION__ = "client_input" #11 0x080d1c21 in io_loop_handler_run (ioloop=0x8124f60) at ioloop-epoll.c:201 ctx = <value optimized out> event = (const struct epoll_event *) 0x815c800 list = (struct io_list *) 0x8126fa0 io = (struct io_file *) 0x8124dc0 tv = {tv_sec = 1799, tv_usec = 999940} t_id = 2 msecs = <value optimized out> ret = 1 i = 0 j = 0 call = <value optimized out> ---Type <return> to continue, or q <return> to quit--- #12 0x080d0dd9 in io_loop_run (ioloop=0x8124f60) at ioloop.c:308 No locals. #13 0x080679f6 in main (argc=Cannot access memory at address 0x4 ) at main.c:293 No locals. Current language: auto; currently c++ (gdb) [root@airframe]:~# stowes list lucene Listing packages in /usr/local/stow matching [ lucene ] (1 match): I clucene-core-0.9.20 I've disabled Lucene indexes for the time being - don't know if/when I'm going to use them anyway, just checking out the shiny new features. :-) Bye, Thomas

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[Dovecot] acl imap_capability ? 1.1.rc12
by Robert Schetterer 21 Jun '08

21 Jun '08

Hi all, is acl ( with acl plugin enabled ) anounced in imap_capability list by dovecot i cant find it in telnet tests, so is it my fault or is it default beavior using 1.1.rc12 -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria

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[Dovecot] no maildirsize file being created -dovecot v1.1
by Barry R Cisna 21 Jun '08

21 Jun '08

It looks to me after setting the mail_debug=yes in the dovecot.conf quota is looking for the maildir to be Maildir >>(/home/superuser/Maildir, rwx). my install has mailboxes listed as mail>> /home/superuser/mail ( not Maildir) How do i comment the quota to make a directive to correct this? maildir=mail >>not mail=Maildir Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Loading modules from directory: /usr/lib/dovecot/imap Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Module loaded: /usr/lib/dovecot/imap/lib10_quota_plugin.so Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Module loaded: /usr/lib/dovecot/imap/lib11_imap_quota_plugin.so Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Effective uid=500, gid=500, home=/home/superuser Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Quota root: name= backend=maildir args= Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Quota rule: root= mailbox=* bytes=104857600 (0%) messages=0 (0%) Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Quota rule: root= mailbox=Trash bytes=10485760 (10%) messages=0 (0%) Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Quota rule: root= mailbox=Spam bytes=20971520 (20%) messages=0 (0%) Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): maildir: access(/home/superuser/Maildir, rwx): failed: No such file or directory Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): maildir: couldn't find root dir Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): maildir: Couldn't create mail storage : Root mail directory not given Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): mbox: root exists (/home/superuser/mail) Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): mbox: INBOX exists (/var/mail/superuser) Jun 20 21:35:05 hi3 dovecot: imap-login: Login: user=<superuser>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): fs: root=/home/superuser/mail, index=, control=, inbox=/var/mail/superuser Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): quota maildir: No maildir storages, ignoring quota. Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): Log synchronization error at seq=2,offset=64 for /home/superuser/mail/.imap/Trash/dovecot.index: uid_validity updated unexpectedly: 1 -> 1213899748 Jun 20 21:35:05 hi3 dovecot: IMAP(superuser): fscking index file /home/superuser/mail/.imap/Trash/dovecot.index Thanks Timo Barry Cisna

2 1

[Dovecot] no maildirsize file being created -dovecot v1.1
by Barry R Cisna 21 Jun '08

21 Jun '08

Hello List, Getting ready to setup a new dovecot sendmail squirrelmail server for our school which is currently running on a 4 year old install of the same, which has worked like a champ by the way. --------------------- EL5 dovecot-1.1 rc10 rpm sendmail squirrelmail --------------------- Problem: I can not get my dovecot 1.1 rc10(rpm) to generate an maildirsize file in each of the users homedir. I have re-edited the dovecot.conf file many many times but still no joy. If I uninstall and install the default dovecot 1.0.1x rpm that ships with EL5 i get the maildirsize file to generate correctly without a hitch. I am wanting to use the check_quota plugin for SM this time so I need to get this functioning correctly. How would I go about troubleshooting this. The only error I get in maillog is when I log into SM I do see were dovecot tries to check for the maildirsize file but it can not find it of course and then says " skipping quota check",,so I think I have my dovecot.conf file setup correctly. Dovecot is simply not generating the maildirsize file. Following lines added to the end of dovecot.conf file: protocol imap { mail_plugins = quota imap_quota } protocol pop3 { mail_plugins = quota } # In case you're using deliver: protocol lda { mail_plugins = quota } plugin { quota = maildir quota_rule = *:storage=1GB # 10% of 1GB = 100MB quota_rule2 = Trash:storage=10%% # 20% of 1GB = 200MB quota_rule3 = Spam:storage=20%% } ,,I have reversed the above to have quota=maildir,,etc above the protocol directives as well and still no joy. Sidenote: I also tried dovecot v1.1 rc5 rpm as well with the same results. Any tips from anyone would be appreciated. Thanks, Barry Cisna

2 1

[Dovecot] Random quirks in 1.1-rc11
by Marc Perkel 21 Jun '08

21 Jun '08

OK - I wish I had more details but I'm using rc11 for the server and Thunderbird for the client. I'm using Maildir and I'm doing server side folder delivery using Exim. On server side folders I'm seeing the count of messages in a folder showing 22 unread messages but the messages themselves don't show up. I deleted the index files and it still didn't show up. But then I restarted dovecot and now the messages in that folder are there. I've noticed similar behavior randomly ever since I upgraded to 1.1. The 1.0 never had this problem. Wish I had more details to post.

2 2

[Dovecot] Quota warning question
by Torsten Krah 20 Jun '08

20 Jun '08

Hi. Read the example conf and doku about the quota warning stuff, but how might such a "sh" file may look? If i want to sent a mail to the user, how to get the mail address? Wheres the glue between the "sh" file and the percentage given and the user? thx for hints Torsten -- Bitte senden Sie mir keine Word- oder PowerPoint-Anhänge. Siehe http://www.gnu.org/philosophy/no-word-attachments.de.html Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect." -- Linus Torvalds

1 0

[Dovecot] v1.2 development tree started
by Timo Sirainen 20 Jun '08

20 Jun '08

I merged all the new features and latest v1.1 changes under one tree: http://hg.dovecot.org/dovecot-1.2/ The changeset order is kind of weird though. The timestamps jump all around. Wonder if there's a way to reorder them so that it looks more sane.. The status of the new features: 1. CONDSTORE extension is probably the largest change. It adds new "modification sequences" for messages that increase whenever the message's metadata changes. I'll probably have to reimplement the way modseqs are calculated, because modseqs will be very useful when implementing replication and the current way just doesn't work with it. If modseq-supporting clients see the current modseqs and later the server gets upgraded to new modseqs, the clients will most likely break. So this change should be done for v1.2. 2. QRESYNC, ESEARCH, SEARCHRES and WITHIN extensions are fully implemented. QRESYNC might need some cleanups and optimizations though. 3. CONTEXT=SEARCH extension is fully implemented, but could use a few optimizations (caching PARTIAL and CONTEXT searches, maybe others too). 4. Virtual mailboxes should work fast after mailbox is opened. The initial opening could use several optimizations though. It could probably share some code with QRESYNC to avoid the full initial search (storing each backend's modseq to index header). Also if search parameters don't contain any dynamically changing data, there's no point in searching the old messages. The current design doesn't allow changing the search parameters or list of mailboxes, otherwise it breaks more or less badly. I guess I could add code to check if the dovecot-virtual file's mtime has changed and if so make it do a full resync. This anyway means that there's no way to support wildcard mailbox names (e.g. "all mailboxes"). But does anyone really want that (yet)? It'll anyway be faster/easier to implement once mailbox list indexes are implemented. I'll still have to add a new X-MAILBOX search parameter which can be used to test what the backend mailbox name is. This will be especially useful with INTHREAD extension. I guess it wouldn't hurt to have FETCH X-MAILBOX if someone wants it. 5. Thread indexes should work, but some optimizations missing and there are some small bugs left. X-REFERENCES2 thread algorithm works. 6. INTHREAD extension isn't started yet, but I'll start it soon. Hopefully won't be too tricky to get it working with virtual mailboxes and CONTEXT=SEARCH..

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[Dovecot] sig11 in 1.1rc5 fts
by Adam McDougall 20 Jun '08

20 Jun '08

This happened from one user near noon on the 17th and 19th (today) of this month. From the backtrace it looks like they were searching, but I won't know for sure unless I need to ask them. Is this possibly fixed already? I just haven't upgraded dovecot in a while due to lack of problems. The sig11 happened a few dozen times, a few seconds apart each day. I have one coredump from each day, and the size was the same. This is a trace from only one. The other backtrace looks pretty much the same. Version: 1.1rc5 OS: FreeBSD 7.0-STABLE #0 0x000000004101bf11 in node_read_children (trie=0x40c5a800, node=0x40c5a800, level=1) at squat-trie.c:461 data = (const uint8_t *) 0x416b7f9a ";\031\030\023\031\0305\031\030O\031\030\033\031\0309\031\030#\031\030" end = (const uint8_t *) 0x416b7ffe "" child_chars = (const unsigned char *) 0x414dbd25 <Address 0x414dbd25 out of bounds> child = (struct squat_node *) 0x40c685f8 children = (struct squat_node *) 0x40c68040 node_offset = 1944868 i = 61 child_idx = 61 child_count = 89 base_offset = 1944314 num = 25 __PRETTY_FUNCTION__ = "node_read_children" #1 0x000000004101f17f in squat_trie_map (trie=0x40c5a800, building=false) at squat-trie.c:1518 file_lock = (struct file_lock *) 0x0 dotlock = (struct dotlock *) 0x0 changed = true ret = 0 #2 0x000000004101b4c9 in squat_trie_open (trie=0x40c5a800) at squat-trie.c:242 No locals. #3 0x000000004101f908 in squat_trie_get_last_uid (trie=0x40c5a800, last_uid_r=0x7fffffffce5c) at squat-trie.c:1725 No locals. #4 0x000000004101a79c in fts_backend_squat_get_last_uid (_backend=0x40c2b150, last_uid_r=0x7fffffffce5c) at fts-backend-squat.c:104 backend = (struct squat_fts_backend *) 0x40c2b150 #5 0x0000000040e0f822 in fts_backend_get_last_uid (backend=0x40c2b150, last_uid_r=0x7fffffffce5c) at fts-api.c:80 No locals. #6 0x0000000040e10bb1 in fts_build_init (fctx=0x40cee0f0) at fts-storage.c:177 t = (struct mailbox_transaction_context *) 0x40c2b1e0 backend = (struct fts_backend *) 0x40c2b150 ctx = (struct fts_storage_build_context *) 0x40c2b150 build = (struct fts_backend_build_context *) 0x40c7e120 seqset = {seq1 = 16, seq2 = 1, next = 0x0} last_uid = 0 last_uid_locked = 131072 __PRETTY_FUNCTION__ = "fts_build_init" #7 0x0000000040e11351 in fts_try_build_init (fctx=0x40cee0f0) at fts-storage.c:320 No locals. #8 0x0000000040e114a6 in fts_mailbox_search_init (t=0x40c2b1e0, charset=0x4ceca0 "UTF-8", args=0x40c7e0c0, sort_program=0x0) at fts-storage.c:355 fbox = (struct fts_mailbox *) 0x40cdc040 ctx = (struct mail_search_context *) 0x40c28bc0 fctx = (struct fts_search_context *) 0x40cee0f0 #9 0x00000000004714e1 in mailbox_search_init (t=0x40c2b1e0, charset=0x4ceca0 "UTF-8", args=0x40c7e0c0, sort_program=0x0) at mail-storage.c:621 No locals. #10 0x0000000000419f9c in imap_search_init (cmd=0x40c7e048, box=0x40c67048, charset=0x4ceca0 "UTF-8", sargs=0x40c7e0c0) at cmd-search.c:36 ctx = (struct imap_search_context *) 0x40c7e190 #11 0x000000000041a644 in cmd_search (cmd=0x40c7e048) at cmd-search.c:190 ctx = (struct imap_search_context *) 0x40c1e240 sargs = (struct mail_search_arg *) 0x40c7e0c0 args = (const struct imap_arg *) 0x40c84080 args_count = 4 error = 0x0 charset = 0x4ceca0 "UTF-8" #12 0x000000000041bd12 in cmd_uid (cmd=0x40c7e048) at cmd-uid.c:26 command = (struct command *) 0x40c1e2a0 cmd_name = 0x40c84170 "SEARCH" #13 0x000000000041d3a4 in client_command_input (cmd=0x40c7e048) at client.c:553 client = (struct client *) 0x40c36180 command = (struct command *) 0x2340c7e0b8 __PRETTY_FUNCTION__ = "client_command_input" #14 0x000000000041d5e1 in client_command_input (cmd=0x40c7e048) at client.c:602 client = (struct client *) 0x40c36180 command = (struct command *) 0x40c1e240 __PRETTY_FUNCTION__ = "client_command_input" #15 0x000000000041d723 in client_handle_next_command (client=0x40c36180, remove_io_r=0x7fffffffd0fd) at client.c:643 size = 40 #16 0x000000000041d769 in client_handle_input (client=0x40c36180) at client.c:653 ---Type <return> to continue, or q <return> to quit--- _data_stack_cur_id = 3 ret = false remove_io = false handled_commands = false #17 0x000000000041d904 in client_input (client=0x40c36180) at client.c:698 cmd = (struct client_command_context *) 0xffffd16c output = (struct ostream *) 0x40c7a0a8 bytes = 40 __PRETTY_FUNCTION__ = "client_input" #18 0x00000000004be449 in io_loop_handler_run (ioloop=0x40c19140) at ioloop-kqueue.c:149 ctx = (struct ioloop_handler_context *) 0x40c1be60 events = (struct kevent *) 0x40c35000 event = (const struct kevent *) 0x40c35000 tv = {tv_sec = 1799, tv_usec = 999471} ts = {tv_sec = 1799, tv_nsec = 999471000} io = (struct io_file *) 0x40c15740 events_count = 3 t_id = 2 ret = 1 i = 0 __PRETTY_FUNCTION__ = "io_loop_handler_run" #19 0x00000000004bd51b in io_loop_run (ioloop=0x40c19140) at ioloop.c:301 No locals. #20 0x0000000000428a19 in main (argc=3, argv=0x7fffffffd250, envp=0x7fffffffd270) at main.c:293 No locals.

2 2

Re: [Dovecot] While searching: Assertion failed (offset > = ctx- >input->v_offset)
by Timo Sirainen 20 Jun '08

20 Jun '08

On Fri, 2008-06-20 at 09:42 +0200, Diego Liziero wrote: > On 6/20/08, Patrick Nagel <patrick.nagel(a)star-group.net> wrote: > > Hi, > > [..] > > > > Now I get this with 1.1.rc10: > > > > Jun 20 11:53:53 stshamail1 dovecot: Panic: IMAP(username): file > > message-parser.c: line 770 (message_parser_parse_next_block): assertion > > failed: (ctx->input->eof || ctx->input->closed || ctx->input->stream_errno != 0) > > [..] > > > > Patrick. > > Timo, > here is an anonymized mbox file that causes it at every body search > (tested with rc12). Did you test it without index files? I couldn't reproduce the crash. Do you use 32bit or 64bit Dovecot?

3 4

[Dovecot] v1.1.rc12 released
by Timo Sirainen 20 Jun '08

20 Jun '08

http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc12.tar.gz http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc12.tar.gz.sig Sorry, one more RC because of the mbox+quota bug. v1.1.0 still planned for tomorrow. - mbox: Don't give "Can't find next message offset" warnings when plugin (e.g. quota) accesses the message being saved. - deliver: Settings inside protocol imap {} weren't ignored.

5 5

[Dovecot] While searching: Assertion failed (offset >= ctx->input->v_offset)
by Patrick Nagel 20 Jun '08

20 Jun '08

Hi, while a user is searching through his (1.2 GB, >150000) mails, I get a lot of these messages in the log, and the search (with Thunderbird) doesn't finish: Jun 19 14:35:45 stshamail1 dovecot: Panic: IMAP(username): file message-parser.c: line 620 (preparsed_parse_body_init): assertion failed: (offset >= ctx->input->v_offset) Jun 19 14:35:45 stshamail1 dovecot: IMAP(username): Raw backtrace: imap [0x80ce9f4] -> imap [0x80ce60c] -> imap [0x80c83f4] -> imap(message_parser_parse_next_block+0x1d) [0x80c802d] -> imap(message_search_msg+0x5f) [0x80c9a7f] -> imap [0x8098e0b] -> imap [0x809e42b] -> imap(mail_search_args_foreach+0x40) [0x809e540] -> imap(index_storage_search_next_nonblock+0x256) [0x80989f6] -> imap [0x805dc96] -> imap [0x805e0d6] -> imap(io_loop_handle_timeouts+0x80) [0x80d59c0] -> imap(io_loop_handler_run+0x82) [0x80d6522] -> imap(io_loop_run+0x28) [0x80d5828] -> imap(main+0x4ac) [0x806809c] -> /lib/libc.so.6(__libc_start_main+0xdc) [0x4003adec] -> imap [0x805a021] Jun 19 14:35:45 stshamail1 dovecot: child 30070 (imap) killed with signal 6 What's wrong here? How to proceed with debugging? Thanks, Patrick. -- STAR Software (Shanghai) Co., Ltd. http://www.star-group.net/ Phone: +86 (21) 3462 7688 x 826 Fax: +86 (21) 3462 7779 PGP key: https://stshacom1.star-china.net/keys/patrick_nagel.asc Fingerprint: E09A D65E 855F B334 E5C3 5386 EF23 20FC E883 A005

2 3

[Dovecot] v1.1.rc11 released
by Timo Sirainen 20 Jun '08

20 Jun '08

http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc11.tar.gz http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc11.tar.gz.sig This is the final v1.1 RC. Tomorrow I'll change only the version number, update the documentation and call it v1.1.0. But please test this anyway to make sure I didn't happen to break anything since rc10 :) - dovecot-uidlist is now recreated if it results in file shrinking over 25%. - Some other minor fixes

5 8

[Dovecot] Compile failure on Dovecot 1.1-rc12
by Erinn Looney-Triggs 20 Jun '08

20 Jun '08

I am getting this failure when trying to compile dovecot on Sparc Solaris 8: make[4]: Entering directory `/home/systems/looneytr/dovecot-1.1.rc12/src/lib' source='str-find.c' object='str-find.o' libtool=no \ DEPDIR=.deps depmode=gcc /bin/bash ../../depcomp \ gcc -DHAVE_CONFIG_H -I. -I../.. -I/usr/local/openssl/include -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -c str-find.c str-find.c:17: field `goodtab' has incomplete type make[4]: *** [str-find.o] Error 1 This problem has occurred on two separate systems. Have you run into this issue, or are you aware of this issue? Dovecot 1.0.14 builds just fine. Thanks, -Erinn

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Re: [Dovecot] Compile failure on Dovecot 1.1-rc12
by Chris Wakelin 20 Jun '08

20 Jun '08

Erinn Looney-Triggs wrote: > Chris Wakelin wrote: > >> What version of gcc? What configure options? I had no problems with gcc >> 3.3.2 (well, a still a few compiler warnings; see >> http://www.dovecot.org/list/dovecot/2008-June/031350.html) >> >> Chris >> > > Hello, > > gcc --version 2.95.3 > > Had to set LDFLAGS and CPPFLAGS to include the openssl in > /usr/local/openssl. > > ./configure --prefix=/usr/local/dovecot --with-ssl=openssl > > I am guessing that it probably has something to do with the old version > of gcc. > > Thanks for your time, > -Erinn > No, *my* version is 'old' - yours is prehistoric :) I've just checked, and yes, gcc 2.95.2 breaks in exactly the same way for me! Best Wishes, Chris -- --+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+- Christopher Wakelin, c.d.wakelin(a)reading.ac.uk IT Services Centre, The University of Reading, Tel: +44 (0)118 378 8439 Whiteknights, Reading, RG6 2AF, UK Fax: +44 (0)118 975 3094

1 0

[Dovecot] debugging dovecot and sieve
by Frank Church 19 Jun '08

19 Jun '08

I have install dovecot and sieve and it doesn't appear to be working. Below is my dovecot.conf Are there some debugging settings I can use to test if dovecot is linking with sieve properly. Nothing appears to show up in the logs start dovecot.conf ======================= cat /usr/local/etc/dovecot.conf base_dir = /var/run/dovecot/ auth_verbose=yes auth_debug=yes mail_debug=yes auth_debug_passwords=yes disable_plaintext_auth=no protocols = imap imaps pop3 pop3s protocol imap { mail_plugins = quota imap_quota imap_client_workarounds = outlook-idle delay-newmail } protocol pop3 { mail_plugins = quota pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xx } protocol lda { postmaster_address = postmaster(a)abc.meripol.net mail_plugins = quota cmusieve log_path = /var/log/vmail/dovecot-deliver.log info_log_path = /var/log/vmail/dovecot-deliver.log } ## ## Logging ## # Log file to use for error messages, instead of sending them to syslog. # /dev/stderr can be used to log into stderr. log_path = /var/log/dovecot/error_log # Log file to use for informational and debug messages. # Default is the same as log_path. info_log_path = /var/log/dovecot/general_log # Prefix for each line written to log file. % codes are in strftime(3) # format. #log_timestamp = "%b %d %H:%M:%S " # Syslog facility to use if you're logging to syslog. Usually if you don't # want to use "mail", you'll use local0..local7. Also other standard # facilities are supported. #syslog_facility = mail #ssl_listen = ssl_disable = no ssl_cert_file = /etc/ssl/certs/dovecot.pem ssl_key_file = /etc/ssl/private/dovecot.pem #ssl_key_password = #ssl_ca_file = #ssl_verify_client_cert = no #ssl_parameters_regenerate = 168 # SSL ciphers to use #ssl_cipher_list = ALL:!LOW # Show protocol level SSL errors. #verbose_ssl = no #ssl_ca_file = /etc/pki/dovecot/certs/ca-bundle.crt mail_location = maildir:/var/vmail/%d/%u mail_extra_groups = mail first_valid_uid = 601 last_valid_uid = 601 maildir_copy_with_hardlinks = yes auth default { mechanisms = plain passdb sql { args = /etc/dovecot/sql.conf } userdb sql { args = /etc/dovecot/sql.conf } userdb prefetch { } user = nobody socket listen { master { # path = /var/run/dovecot/auth-master path = /usr/local/var/run/dovecot/auth-master mode = 0660 user = vmail group = mail } client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = mail } } } dict { } plugin { quota = maildir:storage=10240:messages=1000 acl = vfile:/etc/dovecot/acls trash = /etc/dovecot/trash.conf sieve = /var/vmail/%d/%u/.dovecot.sieve } ===================== end dovecot.conf Thanks vfclists

2 1

[Dovecot] Can't find next message offset
by Dean Brooks 19 Jun '08

19 Jun '08

Hi, I am getting a lot of warnings since upgrading to 1.1rc10 (from rc4): mbox /home2/seta/Mail/Sent: Can't find next message offset for uid=12 Almost always, it is the Sent or Trash folders that are giving these. Users aren't experiencing any problems, but the errors continue to come. Is this something I should be concerned about? Here is output of "dovecot -n": # 1.1.rc10: /usr/local/dovecot/etc/dovecot.conf base_dir: /var/run/dovecot/ protocols: imap login_dir: /var/run/dovecot//login login_executable: /usr/local/dovecot/libexec/dovecot/imap-login login_user: daemon mail_max_userip_connections: 5 first_valid_uid: 100 last_valid_uid: 128000 mail_privileged_group: mail mail_location: mbox:~/Mail:INBOX=/var/mail/%u:INDEX=/var/indexes/local/%u mail_nfs_storage: yes mbox_write_locks: fcntl mbox_lock_timeout: 180 mbox_lazy_writes: no mail_plugins: quota imap_quota namespace: type: private separator: / inbox: yes list: yes subscriptions: yes namespace: type: private separator: / prefix: Mail/ hidden: yes subscriptions: yes auth default: mechanisms: plain login failure_delay: 5 debug: yes passdb: driver: shadow userdb: driver: passwd plugin: quota: fs -- Dean Brooks dean(a)iglou.com

2 2

[Dovecot] Migrate to 1.1 from 1.0.14
by Nicolas Letellier 19 Jun '08

19 Jun '08

Hello. I see dovecot 1.1 will be release very soon. I'm thinking about a migration from my 1.0.14. The migration job will be hard/long? I see in http://wiki.dovecot.org/Upgrading/1.1 that dovecot-uidlist file are in a new format. It will be problem for Courier (pop/imap) upgrades? (today, I often upgrade old mailboxes in Courier to my Dovecot server). Best regards, -- - Nicolas.

2 1

[Dovecot] Using checkpassword to block ips?
by Larry Ludwig 19 Jun '08

19 Jun '08

Hi new to the list, but we are a long time user of Dovecot via DirectAdmin control panel. We, like everyone else, are seeing an increase in dictionary attacks of POP/IMAP. We want to block them. I've searched the mailing list and found a few recommended fail2ban, which really won't work for our case. We need to do this over many machines and not one or two. We also like to gather info at the network wide level. Hackers know about attacking specific server/ips too often and we've seen much more distributed attacks that go under the radar of one server monitoring setup. We've designed our own system and use a local RBL to distribute the blocked IPs. For ftp and ssh attacks it's worked very well. We would like to use the RBL to do the same with dovecot. >From my research it appears the best way to do this (and only currently) is with the checkpassword option. I haven't gotten it to work yet. We have: passdb checkpassword { args = /usr/local/bin/checkpassword deny = yes } As the first auth.. This should reject the connection if the IP matches. checkpassword can see TCPREMOTEIP enviornmental variable. In the checkpassword script we have: #!/usr/bin/perl sub read_uinfo { my($user,$passwd,$apop_ts); open X,"<&=3" or exit 111; $_ = <X>; # ugly; should use sysread instead ($user,$passwd,$apop_ts) = /^(.*)\0(.*)\0(.*)\0/; while (<X>) {}; close X; return ($user,$passwd,$apop_ts); } ($user,$passwd,$apop_ts)=$debug?(shift,shift,shift):read_uinfo; $ipaddr=$ENV{TCPREMOTEIP}; $result=system("/usr/sbin/checkdnsbl $ipaddr"); if ( $result == 0) { @ENV{"SHELL","USER","HOME"} = ($shell,$user,$home); exit 0; } else { exit 1; } My questions are as follows: - Can the deny = yes be used with checkpassword? - What am I doing wrong with the script? It should reject only the connections that are in the RBL. It blocks all -L -- Larry Ludwig Empowering Media 1-866-792-0489 x600 Managed and Unmanaged Xen VPSes http://www.hostcube.com/

2 2

[Dovecot] quote-warning details
by Alexander Prinsier 19 Jun '08

19 Jun '08

Hello, I have some questions on how quota-warning is supposed to work. -Does it keep a state, so that it doesn't send the same warning several times? Or should the script itself do something to remember it already sent a warning? -When exactly does it run? Does it run when deliver runs? Or only when the user accesses it's mailbox? Thanks, Alexander

1 0

[Dovecot] dovecot as gmail imap proxy
by Farkas Levente 18 Jun '08

18 Jun '08

hi, may be this is a bit of topic, but i hope not. it's always a big question which is the better to choose a hosting provider to keep and manage you mail or setup your own mail server, hosting, virus and spam filter etc.. now as more and more people and company move to gmail or google apps mail service it seems google can't handle the load and it's getting more and more slower. what's more not just the imap interface but nowadays the web interface used to be hang or even stop working. it's getting more and more annoying that the speed is worst than in a 10 years ago. i thing about how can this be solved without totally give up gmail as a mail service provider (and may be they can solve it in a few months/years:-). would it be possible to create a dovecot server as an imap proxy for gmail and google apps? imho many people/company would be love to use such a setup where he can use gmail in vacation or any other time, but when the email is real critical apps (not acceptable to wait 1 minutes for an email to load or to open a folder/label) than he can use a proxy server eg. dovecot which act as a imap proxy to gmail and can be hosted on closer, faster server and this speed problem never happend. what's more it can be used as a mail backup server too. anybody has any such setup, idea? would it be possible with dovecot. any other suggestion? yours. -- Levente "Si vis pacem para bellum!"

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Re: [Dovecot] Using checkpassword to block ips?
by Larry Ludwig 18 Jun '08

18 Jun '08

> ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 15 Jun 2008 19:04:05 -0400 > From: "Larry Ludwig" <larrylud(a)gmail.com> > Subject: [Dovecot] Using checkpassword to block ips? > To: <dovecot(a)dovecot.org> > Message-ID: <000601c8cf3c$1cd11130$0605a8c0@tank> > Content-Type: text/plain; charset="us-ascii" > > Hi new to the list, but we are a long time user of Dovecot > via DirectAdmin > control panel. > > We, like everyone else, are seeing an increase in dictionary > attacks of > POP/IMAP. We want to block them. > > I've searched the mailing list and found a few recommended > fail2ban, which > really won't work for our case. We need to do this over many > machines and > not one or two. We also like to gather info at the network > wide level. > Hackers know about attacking specific server/ips too often > and we've seen > much more distributed attacks that go under the radar of one server > monitoring setup. > > We've designed our own system and use a local RBL to > distribute the blocked > IPs. For ftp and ssh attacks it's worked very well. We > would like to use > the RBL to do the same with dovecot. > > >From my research it appears the best way to do this (and > only currently) is > with the checkpassword option. I haven't gotten it to work > yet. We have: > > passdb checkpassword { > args = /usr/local/bin/checkpassword > deny = yes > } > > As the first auth.. This should reject the connection if the > IP matches. > checkpassword can see TCPREMOTEIP enviornmental variable. > > In the checkpassword script we have: > > #!/usr/bin/perl > > sub read_uinfo { > my($user,$passwd,$apop_ts); > open X,"<&=3" or exit 111; > $_ = <X>; > # ugly; should use sysread instead > ($user,$passwd,$apop_ts) = /^(.*)\0(.*)\0(.*)\0/; > while (<X>) {}; > close X; > return ($user,$passwd,$apop_ts); > } > > ($user,$passwd,$apop_ts)=$debug?(shift,shift,shift):read_uinfo; > > $ipaddr=$ENV{TCPREMOTEIP}; > $result=system("/usr/sbin/checkdnsbl $ipaddr"); > if ( $result == 0) { > @ENV{"SHELL","USER","HOME"} = ($shell,$user,$home); > exit 0; > } > else { > exit 1; > } > > My questions are as follows: > - Can the deny = yes be used with checkpassword? > - What am I doing wrong with the script? It should reject only the > connections that are in the RBL. It blocks all > Bump.. No one can help with this setup or issue? -L -- Larry Ludwig Empowering Media 1-866-792-0489 x600 Managed and Unmanaged Xen VPSes http://www.hostcube.com/

1 0

[Dovecot] don't follow symlinks when creating mailbox list
by Dan Horák 18 Jun '08

18 Jun '08

Hi, this issue was discussed here twice in the not so far history (http://www.dovecot.org/list/dovecot/2008-January/028317.html, http://www.dovecot.org/list/dovecot/2008-February/029147.html) but I need to open it again as it makes problems for our users on one side and on the other side we don't want to diverge from the upstream sources in our packages. I agree with Timo that simply disabling the symlink following in creating the mailbox list can give a false sense of security so the question is whether a permanent solution can be developed and how it should look like? Regards, Dan -- Fedora and Red Hat package maintainer

3 3

[Dovecot] dovecot-uidlist cleanup
by Thomas Zajic 18 Jun '08

18 Jun '08

>From http://www.dovecot.org/list/dovecot/2008-June/031235.html: > > I have noticed that the entries in the dovecot-uidlist files don't seem > > to get updated when an email is deleted or moved to .Trash. It appears > > that this list list would just keep growing over time, being full of no > > longer used filenames, and must tend to increase its processing > > overhead. > > The deleted entries are removed when a new message arrives to the > mailbox. So it's just an optimization not to waste disk I/O on rewriting > the file when it's not necessary. If this isn't happening, there's > something wrong or you're misunderstanding something. >From http://www.dovecot.org/list/dovecot/2008-June/031403.html: > > However, I DO clobber the dovecot-uidlist in .Trash as part of my > > monthly housekeeping because it tends to get very large > > All the expunged messages get removed from it the next time a new > message is added to the mailbox. So there should be no need to delete > it. (v1.1 doesn't always recreate the file, but it gets rewritten if the > resulting file would be 70% of the current size or less.) If I understand this correctly, dovecot is supposed to clean out all deleted/expunged messages from dovecot-uidlist whenever a new message is added to the respective mailbox - right? This doesn't actually seem to be the case at least with dovecot-1.0: [root@airframe]:~# dovecot --version 1.0.14 [root@airframe]:~# [root@airframe]:~# du -h ~user/Maildir/.Trash/dovecot-uidlist 13M /home/user/Maildir/.Trash/dovecot-uidlist [root@airframe]:~# wc -l < ~user/Maildir/.Trash/dovecot-uidlist 289769 [root@airframe]:~# ls -1 ~user/Maildir/.Trash/cur/ | wc -l 14 [root@airframe]:~# [root@airframe]:~# du -h ~user/Maildir/.Logs.System\ Checks/dovecot-uidlist 3,5M /home/user/Maildir/.Logs.System Checks/dovecot-uidlist [root@airframe]:~# wc -l < ~user/Maildir/.Logs.System\ Checks/dovecot-uidlist 85188 [root@airframe]:~# ls -1 ~user/Maildir/.Logs.System\ Checks/cur/ | wc -l 16069 The only mailbox where this seems to work properly is INBOX: [root@airframe]:~# du -h ~user/Maildir/.INBOX/dovecot-uidlist 4,0K /home/user/Maildir/.INBOX/dovecot-uidlist [root@airframe]:~# wc -l < ~user/Maildir/.INBOX/dovecot-uidlist 18 [root@airframe]:~# ls -1 ~user/Maildir/.INBOX/cur/ | wc -l 17 [root@airframe]:~# The server runs sendmail, the LDA is procmail, not dovecot's deliver. The .procmailrc is empty except for the bare minimum, though, all other sorting is done either via Thunderbird message filters or manually: [root@airframe]:~# cat ~user/.procmailrc MAILDIR=$HOME/Maildir DEFAULT=.INBOX/ [root@airframe]:~# Any hints? Thanks, Thomas

3 5

[Dovecot] quota attribute for ldap.
by Mauro Sanna 18 Jun '08

18 Jun '08

I want to manage quotas and I want to manage quota limit with ldap. I use debian etch with slapd version 2.3 as ldap server. I see that in the schemas that comes with openLDAP debian distribution there are no quota attributes. How you have solved it?

1 0

[Dovecot] How to seperate pop3 and imap user lookup?
by Zhang Huangbin 18 Jun '08

18 Jun '08

Hi, all. I have two column in MySQL user table: - enablepop (NOT NULL default '1') - enableimap (NOT NULL default '1') How can i config dovecot to seperate pop user lookup and imap user lookup? Thanks very much. -- Best Regards. Zhang Huangbin - Mail Server Solution for Red Hat(R) Enterprise Linux & CentOS 5.x: http://rhms.googlecode.com/

2 3

[Dovecot] v1.1.rc10 released
by Timo Sirainen 18 Jun '08

18 Jun '08

http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc10.tar.gz http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc10.tar.gz.sig v1.1.0 will be released on next Friday if nothing horrible happens. * LIST X-STATUS renamed to LIST STATUS and fixed its behavior with LIST-EXTENDED options. It's now compatible with STATUS-IN-LIST draft 00. - Message parsing could have sometimes produced incorrect results, corrupting BODY/BODYSTRUCTURE replies and perhaps others. - SORT: Fixed several bugs - FreeBSD 7.0: Environment clearing wasn't working correctly. This caused "environment corrupted" problems at least with deliver trying to call sendmail and running Dovecot from inetd. - HP-UX: Several fixes to get it to work (by Christian Corti) - Fixes to using expire plugin with SQL dictionary. - dbox fixes

6 5

[Dovecot] expire database
by Alfonso Sparano 17 Jun '08

17 Jun '08

Hi all I would like to know if there is function to force the load into the expire database of the old mails. I've enabled the function today (dovecot 1.1rc10) and I've a lot of old message that I think are not loaded automatically. What can I do? Thanks a Lot

2 1

[Dovecot] Mercurial repositories for ManageSieve and Sieve
by Stephan Bosch 17 Jun '08

17 Jun '08

Hello Dovecot users, Recently I was asked to use Mercurial for the ManageSieve development just like Dovecot. As a matter of fact I have been using Mercurial for some time now. Now that I am back from a short and active vacation I am ready to publish my repositories. The repositories are publicly available at: http://hg.rename-it.nl/ The -patch repositories are so-called Mercurial Queues (MQ) repositories. This provides an easy (quilt-like) means to manage patches over an upstream source repository like the one that exists for Dovecot. The patches are managed in a repository called 'patches' below the .hg directory in your main repository. Currently, these MQ repositories only have the managesieve.patch witch is the actual patch I refresh and release each time Timo makes a new Dovecot release. The following command sequence shows how to incorporate the managesieve patch repository in a freshly cloned dovecot-1.1 tree: hg clone http://hg.dovecot.org/dovecot-1.1 cd dovecot-1.1 hg clone http://hg.rename-it.nl/dovecot-1.1-managesieve-patch .hg/patches hg qpush When updating the dovecot tree it is important to unapply all patches before performing 'hg pull' on the dovecot tree: hg qpop --all hg pull hg update hg qpush This otherwise results in a multi-head situation which can be resolved using a 'hg rollback' or using 'hg qpop --all' afterwards, which should gracefully clean up the situation (never merge the heads!). Updating the patch repository works as follows: hg qpop --all hg -R .hg/patches pull hg -R .hg/patches update hg qpush After 'hg qpush' the dovecot repository is patched and can be compiled as explained for the normal patch method using the .diff.gz (don't forget ./autogen.sh for compiling dovecot in a mercurial repository). The actual ManageSieve implementation for Dovecot-1.1 is available as a separate package and thus there exists a separate repository for it. Its compilation is no different from the .tar.gz releases, except for the fact that (just like for dovecot) ./autogen.sh needs to be executed before configure. The new (and highly experimental) Sieve implementation is available as the dovecot-libsieve repository. It contains a README file that should explain most of its features and the installation procedure. This is currently still not release-ready and should not be used for any important mail whatsoever. I publish this for people who want to test and play around with it to provide feedback on early bugs and (release-critical) missing features. The TODO and README files provide an overview of my current progress towards a first release. Regards, Stephan.

1 0

[Dovecot] Re-applying Sieve rules on existing messages
by Tomasz K Jarzynka 17 Jun '08

17 Jun '08

Hi, I saw this hack on the Internet once but now that I need it, can't find it anymore. Does anybody know how to trick Dovecot LDA/Sieve into filtering mail that has already been stored into a folder? Thanks in advance ;) -- Tomasz K. Jarzynka / +48 601 706 601 / tomee(a-t)genesilico(d-o-t)pl Laboratory of Bioinformatics and Protein Engineering | www.genesilico.pl International Institute of Molecular and Cell Biology | www.iimcb.gov.pl

2 1

[Dovecot] quota-warning.sh
by Drew Marshall 17 Jun '08

17 Jun '08

Hi I have just installed Dovecot (Moved from Courier-IMAP) and have just about everything running well thanks to some great docs in the wiki (Thank you to all those who contributed!) however I have not managed to get the quota warnings working yet. I have done much Googling and come back with some oldish posts which help me to understand how the quota warnings work but having looked at all this I have realised I don't have a quota-warning.sh script in /usr/local/bin where the config suggests it ought to be. In fact, I don't have a file by this name any where on the box. I have downloaded both 1.1 source (Which I'm running) and 1.0 and I can't find this anywhere in the sources or the tarball. Could some one tell me where I can find this or am I supposed to make my own? If so is there and example that I can follow? Thanks in advance for your help Drew -- In line with our policy, this message has been scanned for viruses and dangerous content by Technology Tiger's Mail Launder system <www.mail-launder.com> Our email policy can be found at www.technologytiger.net/policy Technology Tiger Limited is registered in Scotland with registration number: 310997 Registered Office 55-57 West High Street Inverurie AB51 3QQ

2 2

[Dovecot] Installation Problem -
by Kaushal Gandhi 16 Jun '08

16 Jun '08

Hello, I have installed dovecot Version 1.0.14 on Centos Linux 4.6. When I do ./configure --with-pam, I get below mentioned error. Please help Best Regards Kaushal ---------------- Error ---------- Making all in imap-login make[3]: Entering directory `/tmp/dovecot-1.0.14/src/imap-login' /bin/sh ../../libtool --tag=CC --mode=link gcc -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -I/usr/kerberos/include -o imap-login client.o client-authenticate.o imap-proxy.o ../login-common/liblogin-common.a ../lib-imap/libimap.a ../lib-auth/libauth.a ../lib/liblib.a -L/usr/kerberos/lib -lssl -lcrypto -lgssapi_krb5 -lkrb5 -lcom_err -lk5crypto -lresolv -ldl -lz gcc -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -I/usr/kerberos/include -o imap-login client.o client-authenticate.o imap-proxy.o ../login-common/liblogin-common.a ../lib-imap/libimap.a ../lib-auth/libauth.a ../lib/liblib.a -L/usr/kerberos/lib -lssl -lcrypto -lgssapi_krb5 -lkrb5 -lcom_err -lk5crypto -lresolv -ldl -lz ../login-common/liblogin-common.a(ssl-proxy-openssl.o)(.text+0x10e9): In function `ssl_proxy_init': /tmp/dovecot-1.0.14/src/login-common/ssl-proxy-openssl.c:735: undefined reference to `SSL_CTX_set_info_callback' collect2: ld returned 1 exit status make[3]: *** [imap-login] Error 1 make[3]: Leaving directory `/tmp/dovecot-1.0.14/src/imap-login' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/tmp/dovecot-1.0.14/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/tmp/dovecot-1.0.14' make: *** [all] Error 2 --

3 2

[Dovecot] Caseless folder delivery?
by Jay Levitt 16 Jun '08

16 Jun '08

I'm using exim4 to deliver into dovecot 1.1, and using plus-addressing to deliver mailing lists directly to appropriate folders in my "lists" mailbox. I created a file called /folder-map.lists that looks like ## folder-map.lists dovecot: Dovecot lpedge: Linux PowerEdge ... and so on. So mail to lists-lpedge(a)jay.fm goes to the "Linux PowerEdge" folder. The one annoying thing: I'd like to avoid creating explicit folder-map entries where the plus-address suffix is identical an existing folder name. That *almost* works, but I like to name my folders with appropriate capitalization, and deliver doesn't seem to have a way to do "caseless" delivery. For instance, ideally, I wouldn't have to create the "dovecot: Dovecot" entry; mail to my lists-dovecot(a)jay.fm address would go into the "Dovecot" folder. I can't figure out how to do this. Is there a way to do that using deliver? Could there be? Relevant portions of the exim configuration follow. (And, p.s., am I using the new -a and -m options correctly? Are they used for anything yet?) Jay Levitt ## exim.conf ...begin routers ORIG_FOLDER = ${substr_1:$local_part_suffix} FOLDER_MAP = /etc/exim/folder-map.$local_part MAPPED_FOLDER = ${lookup{ORIG_FOLDER}lsearch{FOLDER_MAP}{$value}{ORIG_FOLDER}} # Mailboxes whose localparts are folders foldered_mailboxes: driver = accept local_part_suffix = +* : -* local_part_suffix_optional local_parts = +foldered_mailboxes address_data = user=$local_part folder="MAPPED_FOLDER" transport = dovecot_virtual_delivery ...begin transports dovecot_virtual_delivery: driver = pipe command = /usr/local/libexec/dovecot/deliver \ -f $return_path \ -a $local_part$local_part_suffix@$domain \ -d ${extract{user}{$address_data}} \ -m "${extract{folder}{$address_data}}" -n message_prefix = message_suffix = log_output return_path_add user = vmail

2 1

[Dovecot] Need help configuering Dovecot to support folders that contain sub-folders and messages
by Dan Roberts 14 Jun '08

14 Jun '08

Hi - Last year I set up a new CentOS 5 server and through the install process permitted it to set up dovecot as my IMAP server. ./dovecote --version returns "1.0.rc15" With the system up and running I moved the tar files of my old email accounts over and everything seemed to be just fine. Recently I have upgraded my primary workstation to a Mac Pro - and that of course has it's Mail application. Let me summarize briefly to be sure that I don't omit some minor detail that makes all the difference in the world. Previously I used Netscape 7.2 as my mail client and then went over to Thunderbird on the PC - in either application, under Server Settings / Advanced I had to uncheck the box "Server supports folders that contain sub-folders and messages". Then whenever I attempted to add a new subfolder I would be given a choice - "This server restricts folders to two special kinds. Allow your new folder to contain: [] Folders Only [x] Messages Only". Though perhaps not ideal, this has worked ok up till now. The Leopard Mail application doesn't seem to have this sort of support - it assumes that every folder or subfolder can and should contain both, so all I get are folders that can hold messages. This is a problem as I can't create any new folders to reorganize mail. Though I had thought about resolving this, or at least trying to when I first encountered it - life got busy. So my skills have become a bit rusty and I have not done anything about it. But now I would like to. I ported over my email and my wife's - so perhaps there is some legacy setting in those folders that prevents the bliss of folders and mail in the same subfile. But I created a new email account for my daughter and that has the same limitation. In Leopard mail, folders to hold folders look White, whereas folders to hole mail look blue. In Thunderbird Folders to hold Folders are in Italics whereas Folders to hold mail are normal font. I am also using Webmin to simplify access to the server, but I don't see anything obvious under the dovecot tool for this. The installation was the basic default, so far as I can remember. I have run Yum to update the files and at last review there was nothing outstanding. Regarding my configuration, dovecot -n reports as follows: [root@trailrunner sbin]# ./dovecot --version 1.0.rc15 [root@trailrunner sbin]# ./dovecot -n # /etc/dovecot.conf base_dir: /var/run/dovecot/ protocols: imap imaps listen: disable_plaintext_auth: yes login_dir: /var/run/dovecot//login login_executable: /usr/libexec/dovecot/imap-login mail_extra_groups: mail mail_location: mbox:~/mail:INBOX=/var/mail/%u auth default: passdb: driver: pam userdb: driver: passwd [root@trailrunner sbin]# Truly hoping that someone can help me resolve this. While I can use Thunderbird, I do like the Apple Mail feature of seeing the summary of email at the top of the list. Appreciate the help and insights - Cheers Dan

6 8

Re: [Dovecot] Need help configuering Dovecot to support folders that contain sub-folders and messages
by Charles Marcus 13 Jun '08

13 Jun '08

On 6/13/2008, Dan Roberts (dan(a)jlazyh.com) wrote: > Using Yum (or whatever it is called) I thought things were up to > date. Though I use to hack code and fearlessly write perl, my > skills are rusty and I don't want to blow a whole in the system. As I said... add atrpms.net to your available repositories... it has up to date rpms... -- Best regards, Charles

1 0

[Dovecot] Need a quick, safe method to empty /home/user/Maildir/{.Junk, .Trash}
by Jeff Kowalczyk 13 Jun '08

13 Jun '08

I have some (Thunderbird client, dovecot-1.0.13, Maildir) users who get an appalling amount of spam-with-attachment, and it's causing backups to take an inordinate amount of time. I'll implement some quota and server-side spam management when I go to dovecot-1.1, but in the meantime: What is the safest way to empty all messages within, but not delete, the following folders from the server command line: /home/user/Maildir/.Junk /home/user/Maildir/.Trash I don't want the Thunderbird-2.0.14 client to report corrupt indexing, or worse not show the folder at next use. Thanks.

7 13

[Dovecot] 1.1rc10: istream-crlf.c: assertion failed: (size != 0)
by Marco De Benedetto 13 Jun '08

13 Jun '08

Hi, I am migrating from 0.99.14 to 1.1.rc10 and from mbox to maildir. During the conversion, via convert plugin, I get this assertion failure: 2008-06-13 14:12:51 Error: IMAP(username): Next message unexpectedly lost from 4700 2008-06-13 14:12:51 Error: IMAP(username): Next message unexpectedly lost from 4700 2008-06-13 14:12:51 Panic: IMAP(username): file istream-crlf.c: line 49 (i_stream_crlf_read_common): assertion failed: (size != 0) 2008-06-13 14:12:51 Error: IMAP(username): Raw backtrace: imap [0x80d1c31] -> imap [0x80d1c9a] -> imap [0x80d159c] -> imap [0x80d6fa5] -> imap [0x80d6fc3] -> imap [0x80d81b9] -> imap(i_stream_read_data+0x39) [0x80d60f9] -> imap [0x80cadb3] -> imap [0x80cbdeb] -> imap(message_parser_parse_next_block+0x1d) [0x80cae5d] -> imap(index_mail_cache_parse_continue+0x22) [0x8096132] -> imap(maildir_save_continue+0x4b) [0x807a49b] -> imap(mail_storage_copy+0xdb) [0x80a07ab] -> imap(maildir_copy+0x5b) [0x8076ebb] -> /usr/lib/dovecot/modules/imap/lib20_convert_plugin.so(convert_storage+0x48c) [0xb7f279bc] -> /usr/lib/dovecot/modules/imap/lib20_convert_plugin.so [0xb7f2841d] -> imap(mail_namespaces_init+0x645) [0x80a1345] -> imap(main+0x3c1) [0x806ab51] -> /lib/libc.so.6(__libc_start_main+0xe0) [0xb7e02450] -> imap [0x805ca91] 2008-06-13 14:12:54 Error: IMAP(username): Mailbox conversion: Couldn't create mailbox directory Ospedale 2008-06-13 14:12:54 Fatal: IMAP(username): Mailbox conversion failed, exiting If it can be useful for debugging purpose, is there something I can do to identify the mailbox causing the failure? I am also investigating why the plugin tried to recreate directory for the already converted mailbox "Ospedale". -- Marco De Benedetto

1 0