- dovecot - dovecot.org

Re: [Dovecot] auth process(es)
by Kenny Dail 15 Jun '07

15 Jun '07

> > - is it safe to increment the number of auth processes (the 'count' > > parameter in the auth block (auth_default { ...} for instance) ? > > Should be. > > > - my understanding is that login processes communicate with auth > > processes through a unix type socket (named 'default') : > > > > can I create a second auth block in dovecot.conf (for instance > > 'aut extra {...}') in addition to the existing 'auth default {...}' > > one ? would it create an second unix socket and thus allowing a heavier > > login processes load ? > > > > what would be the difference between that and, say, changing the > > 'count' parameter to '2' in the 'auth default' section ? > > Increasing count allows heavier load, because there are then more > processes listening for incoming connections in the same socket. Actually increasing the count doesn't work. At least not for me on 1.0.0: Jun 14 12:28:39 mail5 dovecot: Dovecot v1.0.0 starting up Jun 14 12:28:39 mail5 dovecot: Auth process died too early - shutting down Jun 14 12:28:39 mail5 dovecot: child 19080 (auth) returned error 89 Jun 14 12:28:39 mail5 dovecot: auth(default): Socket already exists: /var/run/dovecot/auth-client -- Kenny Dail <kend(a)amigo.net>

3 2

[Dovecot] shared folders
by T. Horsnell 14 Jun '07

14 Jun '07

A number of our users would greatly benefit from truly shareable mail folders. I know we can bodge this with symlinks, but mailbox corruptions seem to occur when simultaneous updates are made, but this may be a client issue I guess. So I wonder if true shareability is creeping up the agenda. By true shareability, I mean such that if two users have the same folder open and one of them makes a modification to it, the display of that folder on the other user's screen immediately reflects that change. I guess this may well require a co-operating client... Cheers, Terry --

2 1

[Dovecot] postfix+dovecot delivering to wrong (/var/mail/%u) place
by Tom Lobato 14 Jun '07

14 Jun '07

(Dovecot 1.0.rc15) Hello I'm tring to configure postfix+dovecot on debian etch. In dovecot I use passdb pam and userdb passwd-file. I can connect pop3 clients and reveice mails and connect smtp clients and send mails, but it is delivered to /var/mail/%u instead the configured mailboxes in /var/local/dovecot/%u. I`ve configured postfix as say http://wiki.dovecot.org/LDA/Postfix. /etc/postfix/main.cf: ----------------------------------- smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no append_dot_mydomain = no myhostname = coan alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases mydestination = coan.com.br myorigin = /etc/mailname relayhost = mynetworks = 121.120.0.0/16 mailbox_size_limit = 0 inet_interfaces = all smtpd_recipient_restrictions = reject_unauth_destination virtual_transport = dovecot dovecot_destination_recipient_limit = 1 ----------------------------------- belong master.cf. Below the syslog when I send mail via smtp... /var/log/syslog: -------------------------------- postfix/smtpd[16656]: connect from 201-95-99-135.dsl.telesp.net.br[201.95.99.135] postfix/smtpd[16656]: C76F948E3D7: client=201-95-99-135.dsl.telesp.net.br[201.95.99.135] postfix/cleanup[16660]: C76F948E3D7: message-id=<1181769218.7844.6.camel@mobile> postfix/qmgr[16653]: C76F948E3D7: from=<tom(a)coan.com.br>, size=457, nrcpt=1 (queue active) postfix/local[16661]: C76F948E3D7: to=<tom(a)coan.com.br>, relay=local, delay=0.52, delays=0.45/0.01/0/0.07, dsn=2.0.0, status=sent (delivered to mailbox) postfix/qmgr[16653]: C76F948E3D7: removed postfix/smtpd[16656]: disconnect from 201-95-99-135.dsl.telesp.net.br[201.95.99.135] ------------------------------- If I change 'virtual_transport = dovecot' to 'local_transport = dovecot', syslog output changes relay-local to relay=dovecot, but bounces the mail saying 'passwd-file(tom(a)coan.com.br): unknown user'. However I'm sure that the user is in the passwd-file and dovecot has permissions to read it. Can you give some hints about what can be happening? Dovecot conf: ----------------------- # /etc/dovecot/dovecot.conf log_timestamp: %Y-%m-%d %H:%M:%S protocols: pop3 disable_plaintext_auth: no login_dir: /var/run/dovecot/login login_executable: /usr/lib/dovecot/pop3-login mail_extra_groups: mail mailboxes mail_location: maildir:/var/local/dovecot/%u mail_executable: /usr/lib/dovecot/pop3 mail_plugin_dir: /usr/lib/dovecot/modules/pop3 pop3_uidl_format: %v.%u auth default: verbose: yes debug: yes debug_passwords: yes passdb: driver: pam userdb: driver: passwd-file args: /etc/mailsystem/userdb socket: type: listen client: master: path: /var/run/dovecot/auth-master mode: 438 ----------------------- Thank you Tom Lobato

1 1

[Dovecot] How do I test new code?
by Stewart Dean 14 Jun '07

14 Jun '07

I know how to run a second instance of the *base* code (to check different functionality/config) and documented it in http://wiki.dovecot.org/RunningDovecot What I realize I don't know how to do is to run an altogether different version or build of the code as that second instance, which would be good to have to check out upgrades before they go into production. While I could do a build in the regular fashion and put DC somewhere else or name it something else, so I could invoke this different code, presumably that different code will still look for the subsidiary executables in the usual place. Do I have to change the DESTDIR parm when doing the make install or some such? I do realize that, just as I did with running a second instance of the *same* code, I'd have to change the config file, have a separate /var/run directory...... -- ==== Stewart Dean, Unix System Admin, Henderson Computer Resources Center of Bard College, Annandale-on-Hudson, New York 12504 sdean(a)bard.edu voice: 845-758-7475, fax: 845-758-7035

2 1

[Dovecot] errors in dovecot-uidlist
by Erland Nylend 14 Jun '07

14 Jun '07

We have migrated a mailsystem to postfix/dovecot, using the courier migrate script, and we have run into a problem with dovecot-uidlist. The messages are not listed in the correct order .. This is an example dovecot-uidlist -file: 1 1177585200 49 22 1179084774.P7191Q0M321163.webmail1,S=8245:2,S 24 1179377823.P15932Q0M835219.smtp1,S=3462:2,S 25 1179668346.P23942Q0M941365.webmail1,S=4820357:2,S 31 1179864561.P22903Q0M433768.smtp2,S=3306:2,S 34 1180344355.P25491Q0M17232.smtp2,S=5111:2,S 35 1180454170.P14932Q0M841649.smtp2,S=2024:2, 36 1168867750.H82058P20971.smtp1:2,SR 37 1170339716.H537368P4032.smtp1:2,S 38 1171291025.H352867P8785.smtp2:2,SR 39 1171357049.H141820P2105.smtp1:2,SR 40 1171460195.H933928P14324.smtp1:2,SR 41 1171616121.H812220P27503.smtp2:2,SR 42 1171872919.H950768P16201.smtp1:2,S 43 1173694618.H330094P23347.smtp1:2,S 44 1175238705.H589518P693.smtp1:2,SR 45 1176800600.H716261P10514.smtp1:2,SR 46 1177615732.H355340P10418.webmail1:2,SR 47 1180471524.P30985Q0M109430.smtp2,S=16621 48 1180597849.P8169Q0M990486.smtp1,S=33326 As you can see, the unix timestamps are descending between uid 35 and uid 36 .. and this causes problems if we intend to make webmail access the messages through imap. (it expects to receive the messages sorted by when they were received) Is there any way I can sort the list accourding to the unix timestamps, and still make it transparent to the pop3/imap clients? I would prefer a solution that does not involve users downloading allready downloaded messages via pop3. -- Erland Nylend

2 3

[Dovecot] 1.0.1 release candidate 3
by Timo Sirainen 14 Jun '07

14 Jun '07

http://dovecot.org/tmp/dovecot-1.0.1rc3.tar.gz Looks like I managed to do a lot of changes today. So I'll wait a few more days before v1.0.1 release. The important changes since rc2: + deliver: Added -e parameter to write rejection error to stderr and exit with EX_NOPERM instead of sending the rejection by executing sendmail. + dovecot --log-error logs now a warning, an error and a fatal - APPEND / SEARCH: If internaldate was outside valid value for time_t, we returned BAD error for APPEND and SEARCH never matched. With 64bit systems this shouldn't have happened. With 32bit systems the valid range is usually for years 1902..2037. See ChangeLog for more.

8 9

[Dovecot] Updating Folders in Mail box
by Wade Smart 13 Jun '07

13 Jun '07

Im looking on the dovecot documentation about how to update the folder structure. I had some computer problems so I back up my mail and when I reinstalled I got rid of a bunch of unused old mail. But now when I open my mail client it still things all of those folders are still there. Im looking for how to update the file on what is and isnt there. wade

5 5

[Dovecot] Domain part / auth_username_format
by Robert Coup 13 Jun '07

13 Jun '07

Hey folks, I want to authenticate a pop3 user without a domain part and then use the domain part to specify a Maildir subfolder to grab messages from. So, this was my attempt: # use the domain part to access a subfolder mail_location = maildir:/mail/%n/Maildir/%d # strip of the domain part for authentication purposes auth_username_format = %n login: testuser@.INBOX.SubFolder Authentication of testuser works great, but mail_debug shows me that the domain-part (%d) is empty when expanding mail_location. Any bright ideas? Rob :) [ Dovecot 1.0.rc15, Debian Sarge, PAM auth. ]

2 2

[Dovecot] No auto-conversion of .customflags?
by Christian Balzer 13 Jun '07

13 Jun '07

Hello, I'm in the process of migrating 0.99 dovecot maildir boxes to a pair of new machine. These servers were running the stable (etch) 1.0rc15 package of dovecot until yesterday and existing .customflags files were correctly converted to dovecot-keywords. Yesterday I upgraded to the (finally, thanks to who did this) 1.0.0 etch backports package and since then freshly migrated boxes get this error: --- Jun 12 09:48:06 mb11 dovecot: IMAP(username): stat(/longandboringpath/username/.customflags/cur) failed: Not a directory --- Firstly, I thought Linux was one of the OS' that had a free dir stat, but I guess I could have just hallucinated that. But more importantly, obviously .customflags does NOT get converted anymore and thus shows up in IMAP LIST commands. Since I doubt that the backport people did change anything in the code I suppose that this is a genuine 1.0.0 problem which probably should be addressed for the upcoming 1.0.1 release. Regards, Christian -- Christian Balzer Network/Systems Engineer NOC chibi(a)gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

2 3

[Dovecot] 1.0.1 release candidate 2
by Timo Sirainen 13 Jun '07

13 Jun '07

I'll release v1.0.1 in a day or two, but it would be nice to get some testing before the release to see if I managed to break something after the Mercurial conversion. And did I forget something that should be fixed for v1.0.1? http://dovecot.org/tmp/dovecot-1.0.1rc2.tar.gz Changes since v1.0.0: * deliver: If Return-Path doesn't contain user and domain, don't try to bounce the mail (this is how it was supposed to work earlier too) * deliver: %variables in mail setting coming from userdb aren't expanded anymore (again how it should have worked). The expansion could have caused problems if paths contained any '%' characters. + Print Dovecot version number with dovecot -n and -a - Trying to start Dovecot while it's already running doesn't anymore wipe out login_dir and break the running Dovecot. - maildir: Fixed "UID larger than next_uid" errors which happened sometimes when dovecot-uidlist file didn't exist but index files did (usually because mailbox didn't have any messages when it was selected for the first time) - maildir: We violated maildir spec a bit by not having keyword characters sorted in the filename. - maildir: If we don't have write access to cur/ directory, treat the mailbox as read-only. This fixes some internal error problems with trying to use read-only maildirs. - maildir: Deleting a symlinked maildir failed with internal error. - mbox: pop3_uidl_format=%m wasn't working right - mbox: If non-filesystem quota was enabled, we could have failed with "Unexpectedly lost From-line" errors while saving new messages - mysql auth: %c didn't work. Patch by Andrey Panin - COPY: We sent "Hang in there.." too early sometimes and checked it too often (didn't break anything, but was slower than needed). - deliver: Postfix's sendmail binary wasn't working with mail_debug=yes - Don't corrupt ssl-parameters.dat files when running multiple Dovecot instances. - Cache compression caused dovecot.index.cache to be completely deleted with big endian CPUs if 64bit file offsets were used (default) - Fixed "(index_mail_parse_header): assertion failed" crash

5 12