[Dovecot] postfix and dovecot on different systems - sasl request

[Robert Schetterer]

Am 05.02.2010 15:06, schrieb thomas polnik:
> Hello,
> 
> until now I have use postfix and dovecot on the same server. Now I
> want/must split this both systems (server1 - postfix, server2 - dovecot).
> 
> I used dovecot auth system for postfix
> 
> ## snip ##
> 
> smtpd_sasl_type = dovecot
> smtpd_sasl_path = private/auth
> 
> ## snap ##
> 
> but this does not work, if dovecot is not running on the same server.

you may use normal sasl setup asking another server over imap via saslauthd

/usr/sbin/saslauthd -n 5 -r -a rimap -O 127.0.0.1 ( should be ip of your
other server )

> 
> 
> I did not find any information in postfix/dovecot documentation, how I
> could solve this problem smart.
> 
> My only idea, but it looks like quick and dirty solution:
> 
> On the postfix system a small dovecot systems runs only for postfix sasl
> via /var/spool/postfix/private/auth. (Or I use saslauthd with sql or imap)
> 
> The postfix system (on server 1) delivers mails via transport map to the
> dovecot system. On the dovecot system postfix delivers
> this mails i.e. via
> ## snip ##
> dovecot   unix  -       n       n       -       -       pipe
>     flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d
> ${recipient}
> ## snip ##
> 
> to the mail boxes.
> 
> Are there other ways, how I could solve this problem?
> 
> My wish configuration:
> postfix sends the auth request via tcp/ip to the dovecot auth system and
> not via a socket.
> 
> I use postfix 2.6 and dovecot 1.2.6.
> 
> Best regards,
> thomas polnik.
> 


-- 
Best Regards

MfG Robert Schetterer

Germany/Munich/Bavaria