[Dovecot] LMTP & home, chroot, mail userdb fields.

[Per Jessen]

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, Zürich