- dovecot - dovecot.org

[Dovecot] userdb nss
by Timo Sirainen 03 Jul '07

03 Jul '07

I remembered people complaining how glibc ignores NSS errors with getpwent(), so I thought I'd see how easy it is to use NSS directly. Unless I misunderstood something, this should work: http://hg.dovecot.org/dovecot/rev/c9b49ed99d28 Tested only with "files" backend. Also it won't work with Solaris, it seems to have completely different NSS modules. Don't know about BSDs. Can someone test how it handles LDAP/NIS failures (or if it even works with them)?

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[Dovecot] Force rebuild v1.0.1
by Bruce Bodger 02 Jul '07

02 Jul '07

Haven't seen a thread discussing forcing rebuilding of indexes / cache, so the question is, if these files in a users home directory were deleted... -rw------- 1 bb admin 80 May 17 15:05 dovecot-keywords -rw------- 1 bb admin 85449 Jul 2 06:15 dovecot-uidlist -rw------- 1 bb admin 6832 Jul 2 06:15 dovecot.index -rw------- 1 bb admin 752640 Jul 2 06:19 dovecot.index.cache -rw------- 1 bb admin 95416 Jul 2 06:20 dovecot.index.log -rw------- 1 bb admin 131104 Jun 27 21:32 dovecot.index.log.2 ...would they be rebuilt by dovecot? Thank you, B. Bodger

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[Dovecot] Debian packages
by Moritz Mertinkat 02 Jul '07

02 Jul '07

Hi there, anyone interested in Debian Dovecot 1.0.1 packages? I have created a package for etch/stable... Could do that for sarge/oldstable as well. Greets, Maurice.

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[Dovecot] v1.1 max connections per user
by Timo Sirainen 02 Jul '07

02 Jul '07

v1.1 has now: # Maximum number of connections allowed for a user. The limits are enforced # separately for IMAP and POP3 connections, so you can move this setting # inside protocol {} to have separate settings for them. NOTE: The user names # are compared case-sensitively, so make sure your userdb returns usernames # always using the same casing so users can't bypass this limit! #mail_max_user_connections = 10 Is 10 a good default? Currently new connections just fail authentication with a "Maximum number of connections exceeded" error message. v2.0 hopefully will instead disconnect the oldest idling connection with IMAP.

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[Dovecot] Mbox vs maildir
by Simon Gao 02 Jul '07

02 Jul '07

> The upcoming dbox and cydir formats of course beat everything in > performance :) Is dbox in Dovecot 1.1 tree now? Is it the redesigned dbox? How close is dbox ready for general use? I am interested in testing it out. Where can I find instruction on how to configure dovecot to use dbox? Simon

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[Dovecot] auto Cc: with dovecot+mysql
by albinootje 02 Jul '07

02 Jul '07

hi, i'm migrating 1 mail-server from LDAP+postfix+courier to mysql+postfixadmin+dovecot, on a debian etch machine i have followed this howto : http://wiki.dovecot.org/HowTo/DovecotLDAPostfixAdminMySQL (changed uid and gid for usage in debian, the SVN-postfixadmin didn't work for me, so i used the stable version, and haven't tested the SASL-part yet) this works great, except the LDAP+postfix setup has for some users an automatic Cc: say, for example, 1 user, with email-address jeremy(a)mydomain.org, will also have all the emails going to jeremy(a)gmail.com so far i have failed to find out whether this can be done with postfix in that setup, following above mentioned howto (postfixadmin can do aliases, but not "auto Cc: for virtual domains afaik) can this be done by dovecot LDA maybe ? or ... can i have a dovecot.conf where certain users use LDAP instead of mysql for lookups and those kind of preferences ? grtz, albi

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[Dovecot] Differences in deliver and IMAP
by Andy Shellam 01 Jul '07

01 Jul '07

Hi I've now got Dovecot 1.0.1 authenticating with PostgreSQL for the IMAP service, but deliver doesn't seem to work the same. I'm using the "prefetch" passdb, but deliver doesn't seem to recognise it. Here's the log for a deliver attempt: dovecot: Jul 01 16:51:35 Info: auth(default): master in: USER 1 andy.shellam(a)mailnetwork.co.uk service=deliver dovecot: Jul 01 16:51:35 Error: auth(default): prefetch(andy.shellam(a)mailnetwork.co.uk): passdb didn't return userdb entries dovecot: Jul 01 16:51:35 Info: auth(default): master out: NOTFOUND 1 And here's the log for an IMAP login attempt straight after: dovecot: Jul 01 16:51:46 Info: auth(default): client in: AUTH 1 PLAIN service=IMAP lip=84.45.66.158 rip=82.165.38.62 resp=AGFuZHkuc2hlbGxhbUBtYWlsbmV0d29yay5jby51awBhYzI5Y2U4NHN5ZA== dovecot: Jul 01 16:51:46 Info: auth(default): sql(andy.shellam(a)mailnetwork.co.uk,82.165.38.62): query: SELECT <user_field> as user, <password_field> as password, <home_directory> AS userdb_home, <mail_directory> AS userdb_mail, <chroot_directory> AS userdb_chroot, <uid_field> AS userdb_uid, <gid_field> AS userdb_gid FROM <user_table> WHERE <user_field> = 'andy.shellam(a)mailnetwork.co.uk' dovecot: Jul 01 16:51:46 Info: auth(default): client out: OK 1 user=andy.shellam(a)mailnetwork.co.uk dovecot: Jul 01 16:51:46 Info: auth(default): master in: REQUEST 1 24949 1 dovecot: Jul 01 16:51:46 Info: auth(default): prefetch(andy.shellam(a)mailnetwork.co.uk,82.165.38.62): success dovecot: Jul 01 16:51:46 Info: auth(default): master out: USER 1 andy.shellam(a)mailnetwork.co.uk home=<home_directory> mail=maildir:<mail_directory> chroot=<chroot_directory> uid=<uid> gid=<gid> dovecot: Jul 01 16:51:46 Info: imap-login: Login: user=<andy.shellam(a)mailnetwork.co.uk>, method=PLAIN, rip=82.165.38.62, lip=84.45.66.158 This works if I use separate userdb and passdb queries. Does deliver not support the prefetch authentication method? Thanks, Andy.

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Re: [Dovecot] v1.1 max connections per user
by Bill Boebel 01 Jul '07

01 Jul '07

On Sat, June 30, 2007 7:50 pm, Charles Marcus said: > Timo Sirainen, on 6/30/2007 7:25 PM, said the following: >> On Sat, 2007-06-30 at 19:11 -0400, Charles Marcus wrote: >>> Timo Sirainen, on 6/30/2007 6:43 PM, said the following: >>>> v1.1 has now: >>>> >>>> # Maximum number of connections allowed for a user. The limits are enforced >>>> # separately for IMAP and POP3 connections, so you can move this setting >>>> # inside protocol {} to have separate settings for them. NOTE: The user names >>>> # are compared case-sensitively, so make sure your userdb returns usernames >>>> # always using the same casing so users can't bypass this limit! >>>> #mail_max_user_connections = 10 >>>> >>>> Is 10 a good default? >>> I'm assuming this is per IP? >> >> No. I'm not sure if it should. Perhaps. It's mostly intended to prevent >> unintentional abuse by stupid clients, so having 3+ thunderbirds open in >> different locations with each having 5 connections should probably be >> allowed. > > Ok - you said 10 was the default - but then said that 15 (3 TBirds x 5) > connections should be allowed, which is more than 10... so... you just > meant that one could accommodate that by upping this limit to 15? I like 15. That way it is high and isn't as likely to affect existing installations unless they manually set it to something lower. Or if you want to have a separate default for POP vs IMAP, I'd use 5 for POP and 15 for IMAP.

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[Dovecot] Copyright notices in code
by Timo Sirainen 30 Jun '07

30 Jun '07

I thought about committing this change to all .c files: Removed all Copyright Timo Sirainen comments. They weren't always correct and the year numbers were rarely updated when something was changed. Copyright is owned by the creator by default in practically all countries, there's no need to advertise it everywhere. Can anyone think of reasons why this wouldn't be a good idea?

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Re: [Dovecot] connection dropped by imap
by Mantas 30 Jun '07

30 Jun '07

apache log say nothing. dovecot log : dovecot: Jun 30 10:56:06 Info: auth(default): passwd(diana(a)aaaaa.lt,127.0.0.1): unknown user dovecot: Jun 30 10:56:06 Info: auth(default): passwd(diana(a)aaaaa.lt,127.0.0.1): unknown user dovecot: Jun 30 10:56:06 Info: imap-login: Login: user=<diana(a)aaaaa.lt>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured dovecot: Jun 30 10:56:06 Info: IMAP(diana(a)aaaaa.lt): Disconnected: Logged out dovecot: Jun 30 10:56:07 Info: auth(default): passwd(diana(a)aaaaa.lt,127.0.0.1): unknown user dovecot: Jun 30 10:56:07 Info: auth(default): passwd(diana(a)aaaaa.lt,127.0.0.1): unknown user dovecot: Jun 30 10:56:07 Info: imap-login: Login: user=<diana(a)aaaaa.lt>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured dovecot: Jun 30 10:56:07 Info: IMAP(diana(a)aaaaa.lt): Disconnected: Logged out dovecot: Jun 30 10:57:07 Info: auth(default): passwd(diana(a)aaaaa.lt,127.0.0.1): unknown user dovecot: Jun 30 10:57:07 Info: auth(default): passwd(diana(a)aaaaa.lt,127.0.0.1): unknown user dovecot: Jun 30 10:57:07 Info: imap-login: Login: user=<diana(a)aaaaa.lt>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured when error "connection dropped by imap" appear, allways login procedure repeated 3 times (in log file). On Fri, 29 Jun 2007 23:24:12 +0200, Philipp Wollermann <philipp(a)igowo.de> wrote: > Mantas wrote: >>> when i create imap account in mail client (ex: outlook, thunderbird) > it's >>> allright. but if i want login with this account to webmail (i have 2 >>> webmail: squirrelmail and roundcube) commonly i get error. squirrelmail >>> say: Connection droped by imap. roundcube say nothing(white screen). > But >>> sometimes i can login. >>> > So.. what exactly appears in your system logfiles in /var/log when you > try to login and it does not work? Shouldn't that be the first thing to > look for? :) > > Regards, > Philipp

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