- dovecot - dovecot.org

[Dovecot] Dovecot + MySQL problem
by Timo Neuvonen 25 Jan '08

25 Jan '08

I recently upgraded my Fedora Core 6 (mail)server to Fedora 8. Unfortunately I don't any more have absolutely reliable information available on the Dovecot version that was the last one I had on FC6, but I guess it has been 1.0.3 (I found it from a FC6 repo right now). Currently, Fedora 8 has version 1.0.7 that comes as binary rpm from Fedora repos. So, the problem: I had set up an authentication system using mysql database. It worked fine as long as I were using FC6, but after upgrade Dovecot dies immediatedly after the system startup, writing this to log: Jan 24 16:14:46 test dovecot: Dovecot v1.0.7 starting up Jan 24 16:14:46 test dovecot: auth(default): Unknown database driver 'mysql' Jan 24 16:14:46 test dovecot: Auth process died too early - shutting down My first idea was that Dovecot is compiled without sql support. However: [root@test etc]# dovecot --build-options Build options: ioloop=poll notify=inotify ipv6 openssl SQL drivers: mysql postgresql sqlite Passdb: checkpassword ldap pam passwd passwd-file shadow sql Userdb: checkpassword ldap passwd prefetch passwd-file sql static If I change "mysql" to "pgsql" in the following in the conf file, the error message will change accordingly: # Database driver: mysql, pgsql, sqlite #driver = driver = mysql I also have CentOS 5.1 system with Dovecot 1.0.rc15. I tried the database authentication with similar conf there, it did work. So, is there an essential (intentional) change in sql configuration between 1.0.rc15 (and obviously 1.0.3) to 1.0.7, or should I start finding the problem from incorrectly built binary of 1.0.7? Regards, Timo

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[Dovecot] dotlock errors without using dotlock
by Brian Taber 25 Jan '08

25 Jan '08

I have a few clients that have more than one user in the same mailbox. I have my setup using fctrl for mailbox and index locking. My mail is stored on a network file system (gluster) and my indexes are stored on the local drive. I have a few issues: - My users mailboxes have issues where messages will be mixed up (you go to open a message and it gets a different message) - messages will dissappear - unable to open or delete messages - errors in log about dotlocks being overwritten Here is some of the log entries: Our dotlock file /mail/mydomain.com/webmaster/dovecot-uidlist.lock was overridden (kept it 0 secs) utime(/mail/mydomain.com/webmaster/dovecot-uidlist.lock) failed: No such file or directory Transaction log file /mailindex/mydomain.com/webmaster/.INBOX/dovecot.index.log: marked corrupted Our dotlock file /mail/mydomain.com/webmaster/dovecot-uidlist.lock was deleted (kept it 0 secs) FETCH for mailbox INBOX UID 4223 got too little data: 3078 vs 19825 My dovecot version is 1.0.9, my config is as follows: # 1.0.9: /etc/dovecot/dovecot.conf info_log_path: /dev/null protocols: imap imaps pop3 pop3s listen(default): *:143 listen(imap): *:143 listen(pop3): *:110 ssl_listen(default): *:943 ssl_listen(imap): *:943 ssl_listen(pop3): *:995 ssl_disable: yes ssl_cert_file: /etc/dovecot/ssl/certs/dovecot.pem ssl_key_file: /etc/dovecot/ssl/private/dovecot.pem disable_plaintext_auth: no login_dir: /usr/local/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_processes_count: 10 mail_location: maildir:/mail/%d/%Ln:INDEX=/mailindex/%d/%Ln mmap_disable: yes mbox_write_locks: fcntl mbox_dirty_syncs: no 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_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 pop3_uidl_format(default): pop3_uidl_format(imap): pop3_uidl_format(pop3): %u namespace: type: private separator: . inbox: yes namespace: type: private separator: . prefix: INBOX. inbox: yes hidden: yes auth default: cache_size: 2048 count: 5 passdb: driver: sql args: /etc/dovecot/dovecot-sql.conf userdb: driver: sql args: /etc/dovecot/dovecot-sql.conf Any help would be appreciated...

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[Dovecot] Out of memory [repost as a new thread]
by Wolfram Schlich 24 Jan '08

24 Jan '08

Hi, this happens since a few days on a Gentoo hardened system using a grsecurity enabled kernel running Dovecot 1.0.10, only to 2 of 10 users though: --8<-- kernel: grsec: From 192.168.0.1: denied resource overstep by \ requesting 537325568 for RLIMIT_AS against limit 536870912 \ for /usr/libexec/dovecot/imap[imap:15708] uid/euid:30010/30010 \ gid/egid:30006/30006, parent /usr/sbin/dovecot[dovecot:15574] \ uid/euid:0/0 gid/egid:0/0 kernel: grsec: From 192.168.0.1: denied resource overstep by \ requesting 537321472 for RLIMIT_AS against limit 536870912 \ for /usr/libexec/dovecot/imap[imap:15708] uid/euid:30010/30010 \ gid/egid:30006/30006, parent /usr/sbin/dovecot[dovecot:15574] \ uid/euid:0/0 gid/egid:0/0 kernel: grsec: From 192.168.0.1: denied resource overstep by \ requesting 537456640 for RLIMIT_AS against limit 536870912 \ for /usr/libexec/dovecot/imap[imap:15708] uid/euid:30010/30010 \ gid/egid:30006/30006, parent /usr/sbin/dovecot[dovecot:15574] \ uid/euid:0/0 gid/egid:0/0 kernel: grsec: From 192.168.0.1: denied resource overstep by \ requesting 537321472 for RLIMIT_AS against limit 536870912 \ for /usr/libexec/dovecot/imap[imap:15708] uid/euid:30010/30010 \ gid/egid:30006/30006, parent /usr/sbin/dovecot[dovecot:15574] \ uid/euid:0/0 gid/egid:0/0 dovecot: IMAP(info): block_alloc(): Out of memory dovecot: child 15708 (imap) returned error 83 (Out of memory) --8<-- grsecurity only logs the attempted resource overstep. I already increased mail_process_size to 512M and deleted the index.cache* files inside the users maildir -- didn't help :/ Any idea why this is happening or how I could find out? TIA :) -- Regards, Wolfram Schlich <wschlich(a)gentoo.org> Gentoo Linux * http://dev.gentoo.org/~wschlich/

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[Dovecot] Maildir format, "From " in the first line
by Sébastien Munch 24 Jan '08

24 Jan '08

Hello, Using Dovecot's deliver MDA, all mails are stored with the line "From <sender> <date>" appended. When forwarding these mails as attachements, the recipients get the source code. When Postfix delivers emails directly in the Maildirs, this first line is not appended, and there is no problem when forwarding the mails. Why is this line appended by deliver ? Is there a way to remove it ? Or is there something else I can do to avoid this forwarding problem. I'm using Dovecot 1.0.rc15 from Debian Etch. Regards -- Sébastien Munch - expert Linux et sécurité Société Adelux - http://www.adelux.fr Tél. 01 46 88 60 53 - Fax. 01 47 90 26 32 GPG. http://www.adelux.fr/societe/gpg/sebastien.asc

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[Dovecot] Cyrus migration program updated
by Timo Sirainen 24 Jan '08

24 Jan '08

I updated cyrus2courier to work with Cyrus v2.2.12 and v2.3.9. It also migrates now keywords (first 26 of them). I call this version 1.5.ts, at least until (if) an official v1.5 is released. You can get it from http://dovecot.org/tools/

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[Dovecot] dovecot+dbmail
by Wiktor 24 Jan '08

24 Jan '08

Hello It's any chanse to make support dovecot for dbmail? Maybe in some future, or U working on it? ------------------------ Pozdrawiam / Best regards / Cordialement / S pozdravem Wiktor Łyczywek

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Re: [Dovecot] Slow header fetching rate over nfs mailspool.
by Timo Sirainen 24 Jan '08

24 Jan '08

On Thu, 2008-01-24 at 00:18 +0800, Dino Ming wrote: > open("/dap/mstorage/example.com/dino/Maildir/cur", O_RDONLY| > O_NONBLOCK|O_DIRECTORY) = 8 <0.000098> .. > getdents64(8, /* 114 entries */, 8192) = 8128 <0.347680> > getdents64(8, /* 113 entries */, 8192) = 8136 <1.385329> > getdents64(8, /* 113 entries */, 8192) = 8144 <1.668419> > getdents64(8, /* 113 entries */, 8192) = 8136 <2.942874> > getdents64(8, /* 107 entries */, 8192) = 7712 <5.346971> > getdents64(8, /* 0 entries */, 8192) = 0 <0.000046> This means that a simple "ls" call on that cur directory would take about 11 seconds (when the directory entries aren't already cached). You could verify that this happens. So I can't really say anything else than that the problem is somewhere outside Dovecot..

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[Dovecot] sieve in centos rpm
by Chantal Rosmuller 24 Jan '08

24 Jan '08

Hi Everyone, i installed dovecot-1.0-1.2.rc15.el5 with yum on centos 5.0, everything works fine but I can't find the sieve plugin. Is it not included? When I search for sieve with yum I find cyrus-imapd. Thanks

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[Dovecot] plus-address delivery
by Jon Fullmer 23 Jan '08

23 Jan '08

Forgive me, if this has been previously discussed. I researched as best I could. I couldn't find anyone mentioning it. Please treat me as a newbie. I've recently set up postfix, amavisd-new/SpamAssassin, and dovecot. All three utilize a user database in a MySQL db (on the same host). So far, so good. The problem: I wanted amavisd-new to deliver an e-mail above the "$sa_tag2_level_deflt" to the spam mailbox inside each user account. To accomplish this, I've instituted (best as I can tell) "plus addressing." The idea, if I have this correct, is that if a spam message is being sent to "<user>@<domain>.<tld>", amavisd-new will change the receiving address to "<user>+spam@<domain>.<tld>". The "+spam" will translate to the mailbox named "spam" within the structure of "<user>"'s mailbox. I think the important lines from the amavisd-new config are: @addr_extension_spam_maps = ('spam'); $recipient_delimiter = '+'; Long story short, (too late) the e-mails are being delivered, but to a completely new mailbox called "<user>+spam". For example, when I list the directory "<domain>.<tld>", I now see two mailboxes (as opposed to one): "<user>" and "<user>+spam". Is there something I need to configure within dovecot to have it recognize "plus addressing", or should it do so by default? I'm certain I've just missed something really simple. Any thoughts would be appreciated. Thanks! - Jon

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[Dovecot] Drafts, Trash, Sent
by libero1 23 Jan '08

23 Jan '08

Hi, I'm testing a dovecot installation using thunderbird as imap client. The first user I configured has regolar folders: Drafts, Sent and Trash, and thunderbirs shows each one with its icon. The second user shows these folders with a standard icon, and I'm not able to save email in sent. I cann't understand why there is this difference, and how dovecot manage these folder. Can anyone help me? Thanks a lot Roger

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