- dovecot - dovecot.org

[Dovecot] possible bug with mail->get_header and caching?
by Johannes Berg 06 Jan '05

06 Jan '05

I don't know if this is intended or not, but here it comes. I have * that copy plugin I was working on * dovecot 1.0-test59 * thunderbird test client My copy plugin looks for the X-DSPAM-Signature header line, and reports it to syslog as such: imap: we have a signature: "X-DSPAM-Signature: <sig>" where <sig> is replaced by what is found in the header line. This only happens when I copy in/out of the SPAM folder (which works fine). Now, when a mail is copied from INBOX to SPAM that doesn't have the signature line, I return an error to the client saying the user can't do that copy since the signature line is necessary. I detect the condition of not having that signature line by checking like this: if (!(signature = mail->get_header(mail, "X-DSPAM-Signature")) { ... return error ... } This works fine, error comes back. Second try, copying a mail that has the header line: works. So, lets do some code changes, disconnect and reconnect to reload the plugin. All of a sudden, copying mails that don't have the header line works too! Uhh? Lets go looking at syslog: imap: we have a signature: "X-DSPAM-Signature: " The only rational explanation I could come up with is that dovecot caches the header line and somehow decided that since it knows about the X-DSPAM-Signature header line mails that don't contain it should have an empty version of it. Well, I can of course test for this (and I actually should anyway, an empty signature isn't useful to dspam), but I do think this is a bug since it makes distinguishing between empty and non-present header lines impossible. Regards, johannes

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[Dovecot] PostgreSQL user database
by Marco Herrn 06 Jan '05

06 Jan '05

Hi, I am using postgresql for my password and user databases. The problem is, that the information needed in the user database is held in more than one table. But it seems to me that dovecot expects to get all the information for mailbox, uid, gid and home in _one_ query. Is there a way to get around this? Maybe even getting some of this information by another way than pgsql (this is more a rethorical question, since I have this information in the DB, but sometimes it is useful to get, for example the location of the mailbox by another way than the uid and gid). But my primary question is if I can set these fields in different queries. Regards Marco -- Every word is like an unnecessary stain on silence and nothingness. -- Marco Herrn _ ___ o ' (_)< _ _ _>(__'> o 0 (_X % >(_`> O o _; _;'7^'_ \;\ % (GnuPG/PGP-encrypted mail preferred) _;\ _.\ _.';;) ;,;_/; Key ID: 0x94620736 _ _'./_\('))_; );/\)}/`fsc

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[Dovecot] Dovecot + MySql (NO PAM) Howto
by Roi Efrati 06 Jan '05

06 Jan '05

As mentioned before, I got Dovecot with Fedora and it does not have the necessary documentation. Can some one please direct me to the correct path of making this type of configuration work. I got Dovecot to authorize the users Via PAM & Mysql but still getting errors (acct_mgmt & setcred) that I can't figure out how to solve.

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[Dovecot] virtual hosting
by Tom Allison 06 Jan '05

06 Jan '05

I'm trying to figure out how I might set up some virtual hosting accounts for my server. domain1 would be delivered via procmail to ~/Maildir mail directories domain2 would be delivered via postfix to /var/mail/vhosts/domain2/username and similarly for additional domains. There's also one domain that's delivered to another machine, but that's not a dovecot issue. I just mention it for completeness. currently I have only domain1 and only: default_mail_env = maildir:~/Maildir I'm not really sure how to set this up for additional locations of maildir:/var/mail/vhosts/%d/%n/Maildir (This seems right?) Right now I'm wondering if I have to do one of the following: create two instances of dovecot with seperate configuration files? move everything to /var/mail/vhosts/%d/%n/Maildir data structure and the rewrite all my local (~/Maildir) procmail rules to manage delivery.. This is seeming sticky?

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[Dovecot] why dovecot try to access the uses's home?
by Farkas Levente 06 Jan '05

06 Jan '05

hi, after i try to use dovecot with ldap i configure dovecot as: ------------------------ first_valid_uid = 499 last_valid_uid = 499 first_valid_gid = 499 last_valid_gid = 499 default_mail_env = maildir:/home/mail/%d/%n auth_userdb = static uid=499 gid=499 home=/home/users/%d/%n auth_passdb = ldap /etc/dovecot-ldap.conf ------------------------ but after this i've got the error in imap.log: ------------------------ dovecot: Dec 29 14:39:14 Fatal: chdir(/home/users/<username>) failed with uid 499: Permission denied ------------------------ i see the reason since each user has it's own uid and uid 499 can't access to the users home which has 0700 access right. but why dovecot would like to access the user's home? does it nessesary? since in this case one static uid can be usable or this uid has to be read (write?) access to all user's home. is there any usage of static uid in this case? yours. -- Levente "Si vis pacem para bellum!"

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[Dovecot] Outlook can't download messages with no subject and empty body
by Bob 06 Jan '05

06 Jan '05

My Outlook POP3 clients can't download messages that have empty subjects and bodies. I'm running 0.99.11-1.1.fc2 and have added the following line to dovecot.conf client_workarounds = outlook-pop3-no-nuls This didn't help. Any help would be appreciated, Bob

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[Dovecot] Debugging msync() failed errors
by Doug Luce 06 Jan '05

06 Jan '05

>From today's maillog: maillog:Dec 28 09:29:40 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/.projects.job591/dovecot.index: Invalid argument maillog:Dec 28 09:30:21 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/dovecot.index: Invalid argument maillog:Dec 28 09:30:22 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/dovecot.index: Invalid argument maillog:Dec 28 09:30:28 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/dovecot.index: Invalid argument maillog:Dec 28 09:44:46 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/.projects.job591/dovecot.index: Invalid argument maillog:Dec 28 09:44:47 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/dovecot.index: Invalid argument maillog:Dec 28 09:49:10 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/dovecot.index: Invalid argument Can anyone slip me some advice on how to properly go about debugging this problem? Is there a way to check the .index file? Can anyone make an educated guess as to what section of code is the likely culprit? Thanks, Doug

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[Dovecot] Assistant access
by Doug Luce 06 Jan '05

06 Jan '05

Does anyone have a clue how I might set Dovecot up to allow another account to have read/write access to my INBOX and one other folder? I want to set things up so my assistant can pre-scan my post-Spamassassed email to remove more spam from it. Thanks! Doug

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[Dovecot] 0.99.1[12] IMAP problems with Apple Mail.app?
by Jim Tittsler 06 Jan '05

06 Jan '05

Is anyone else having trouble using the Apple OS X Mail.app with a Dovecot IMAP server? With 0.99.11 and 0.99.12 attempting to read certain messages using IMAP or IMAPS seems to put Mail.app into spinning pizza of death mode. Sniffing the connection, it looks like it happens after the client issues a BODY.PEEK[] and the server has responded with the (UID XXXX BODY[] {YYYY}...) and OK Fetch completed. I've only been able to catch it happening with messages that are either (a) Base64 encoded or (b) those that claim to be multi-part/alternative, but only seem to contain a single part. The client acts like it has received the message, since if I kill Mail.app and restart it, I am able to read the problem message from its cache. Is this a Mail.app bug? Is it something about the way Dovecot is responding to the BODY.PEEK[] in these cases? Using Mail.app with the Novell myrealbox.com IMAP I haven't seen problem, even with a test problematic message I redirected there, although admittedly I'm changing the headers by doing the redirection. I haven't gotten 0.99.13rc3 to get past the autotools stage of complaining about AM_ICONV (and a number of AC_ warnings), so I've yet to try it.

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[Dovecot] failed with uid Permission denied
by Rein Laaneser 06 Jan '05

06 Jan '05

Hi Does somebody know the workaround I have some users, who are able to log in to dovecot but others not.... even the failpermissions in directories are same. Also mbox folder is excatly same mail Some settings in /etc/dovecot.conf first_valid_uid = 500 last_valid_uid = 1500 first_valid_gid = 500 last_valid_gid = 515 default_mail_env = mbox:~/mail:INBOX=/var/spool/mail/%u So the "someuser" is able to log in but "testuser" not log from testuser logging in somehost imap-login: Login: testuser [193.x.x.x] somehost dovecot: chdir(/home/guest/testuser) failed with uid 893: Permission denied somehost dovecot: child 8729 (imap) returned error 89 Any idea???

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