dovecot - Jan 2011 - LMTP & home, chroot, mail userdb fields.

Hello, Dovecot.


  I'm using postfix + dovecot with pure virtual users. postfix uses
standard virtual transport, and dovecot fetches such fields from
userdb:

chroot: "/usr/home/hosted/v-mail/%d/%n"
home: "/"
mail: "maildir:."

  Everything works Ok -- dovecot founds users' mail.

  Now, after upgrade to dovecot2, I want to use it LMTP server as
virtual_transport in postifx. I've changed virtual_transport setting
to "lmtp:unix:/var/run/dovecot/lmtp".

 dovecot's LMTP can not deliver messages, because it seems that it
uses userdb fields in some OTHER way. Errors look like this:

Jan 20 12:19:25 lmtp(38939): Info: Connect from local
Jan 20 12:19:25 auth: Info: mysql: Connected to /tmp/mysql.sock (mailhost)
Jan 20 12:19:25 lmtp(38939, lev at domain.com): Error: mkdir(./cur) in directory
/var/run/dovecot failed: Permission denied (euid=30000(v-mail)
egid=30000(v-mail) missing +w perm: ., euid is not dir owner)
Jan 20 12:19:25 lmtp(38939, lev at domain.com): Error: Opening INBOX failed:
Mailbox doesn't exist: INBOX
Jan 20 12:19:25 lmtp(38939, lev at domain.com): Error: mkdir(./cur) in directory
/var/run/dovecot failed: Permission denied (euid=30000(v-mail)
egid=30000(v-mail) missing +w perm: ., euid is not dir owner)
Jan 20 12:19:25 lmtp(38939, lev at domain.com): Info: XXVtE00oOE0bmAAAWL5c8Q:
msgid=unspecified: save failed to INBOX: Internal error occurred. Refer to
server log for more information. [2011-01-20 12:19:25]
Jan 20 12:19:25 lmtp(38939, lev at domain.com): Error: BUG: Saving failed to
unknown storage
Jan 20 12:19:25 lmtp(38939): Info: Disconnect from local: Client quit

  How should I change my userdb output to make both POP/IMAP and LMTP
 processes happy?

-- 
// Black Lion AKA Lev Serebryakov <lev at serebryakov.spb.ru>

Lev Serebryakov wrote:
> Hello, Dovecot.
> 
> 
>   I'm using postfix + dovecot with pure virtual users. postfix uses
> standard virtual transport, and dovecot fetches such fields from
> userdb:
> 
> chroot: "/usr/home/hosted/v-mail/%d/%n"
> home: "/"
> mail: "maildir:."
> 
>   Everything works Ok -- dovecot founds users' mail.
> 
>   Now, after upgrade to dovecot2, I want to use it LMTP server as
> virtual_transport in postifx. I've changed virtual_transport setting
> to "lmtp:unix:/var/run/dovecot/lmtp".
> 
>  dovecot's LMTP can not deliver messages, because it seems that it
> uses userdb fields in some OTHER way. Errors look like this:
> 
> Jan 20 12:19:25 lmtp(38939): Info: Connect from local
> Jan 20 12:19:25 auth: Info: mysql: Connected to /tmp/mysql.sock
> (mailhost) Jan 20 12:19:25 lmtp(38939, lev at domain.com): Error:
> mkdir(./cur) in directory /var/run/dovecot failed: Permission denied
> (euid=30000(v-mail) egid=30000(v-mail) missing +w perm: ., euid is not
> dir owner) 
That looks like dovecot is trying to create a mailbox (./cur) in the
base directory (/var/run/dovecot)
> How should I change my userdb output to make both POP/IMAP and LMTP
> processes happy?
For starters, I think you need to return a field "mail" containing
perhaps:

maildir:/usr/home/hosted/v-mail/domain/user


/Per Jessen, Z?rich

Hello, Per.
You wrote 20 ?????? 2011 ?., 18:30:44:
>> chroot: "/usr/home/hosted/v-mail/%d/%n"
>> home: "/"
>> mail: "maildir:."
> For starters, I think you need to return a field "mail"
containing
> perhaps:
> maildir:/usr/home/hosted/v-mail/domain/user
  Then IMAP4/POP3 processes will do chroot to
"/usr/home/hosted/v-mail/domain/user" and will try to find
"maildir:/usr/home/hosted/v-mail/domain/user" RELATIVE to chroot. Mail
will be delivered, but can not be acessed.


-- 
// Black Lion AKA Lev Serebryakov <lev at serebryakov.spb.ru>

On Thu, 2011-01-20 at 15:21 +0300, Lev Serebryakov
wrote:
> Jan 20 12:19:25 lmtp(38939, lev at domain.com): Error: mkdir(./cur) in
directory /var/run/dovecot failed: Permission denied (euid=30000(v-mail)
egid=30000(v-mail) missing +w perm: ., euid is not dir owner)
Fixed: http://hg.dovecot.org/dovecot-2.0/rev/0fc2d00f83df

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Hello, Timo.
You wrote 21 ?????? 2011 ?., 0:10:12:
> On Thu, 2011-01-20 at 15:21 +0300, Lev Serebryakov wrote:
>> Jan 20 12:19:25 lmtp(38939, lev at domain.com): Error: mkdir(./cur) in
directory /var/run/dovecot failed: Permission denied (euid=30000(v-mail)
egid=30000(v-mail) missing +w perm: ., euid is not dir owner)
> Fixed: http://hg.dovecot.org/dovecot-2.0/rev/0fc2d00f83df
  Sorry, it doesn't. I've added some logging via i_error() (I know, it
looks more like i_debug()) and now log shows me:

Jan 21 14:01:36 lmtp(17650, lev at domain.com): Error: (LEV-ADDITION) Replace
home (/) with chroot (/usr/home/hosted/v-mail/domain.com/lev)
Jan 21 14:01:36 lmtp(17650, lev at domain.com): Error: (LEV-ADDITION) Set
mail_home to (/usr/home/hosted/v-mail/domain.com/lev)
Jan 21 14:01:36 lmtp(17650, lev at domain.com): Error: mkdir(./cur) in directory
/var/run/dovecot failed: Permission denied (euid=30000(v-mail)
egid=30000(v-mail) missing +w perm: ., euid is not dir owner)
Jan 21 14:01:36 lmtp(17650, lev at domain.com): Error: Opening INBOX failed:
Mailbox doesn't exist: INBOX
Jan 21 14:01:36 lmtp(17650, lev at domain.com): Error: mkdir(./cur) in directory
/var/run/dovecot failed: Permission denied (euid=30000(v-mail)
egid=30000(v-mail) missing +w perm: ., euid is not dir owner)
Jan 21 14:01:36 lmtp(17650, lev at domain.com): Info: gJIWCJBnOU3yRAAAWL5c8Q:
msgid=unspecified: save failed to INBOX: Internal error occurred. Refer to
server log for more information. [2011-01-21 14:01:36]
Jan 21 14:01:36 lmtp(17650, lev at domain.com): Error: BUG: Saving failed to
unknown storage
Jan 21 14:01:36 lmtp(17650): Info: Disconnect from local: Client quit


-- 
// Black Lion AKA Lev Serebryakov <lev at serebryakov.spb.ru>