On Fri, Jul 16, 2010 at 03:28:07PM -0700, Corey Chandler wrote:
> I've been running dovecot + postfix with a MySQL backend for a while now,
> and been happy with it.
> 
> Now that I want to implement Sieve filtering, I discovered that I'm using
> postfix's virtual transport instead of Dovecot's LDA.
> 
> Adding virtual_transport = dovecot to the main.cf file and 
> dovecot   unix  -       n       n       -       -       pipe
>   flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d
>   ${recipient}
> 
>   to the master.cf file results in this:
>   Jul 16 14:52:13 Leavenworth postfix/pipe[31344]: fatal: user=
>   command-line attribute specifies mail system vmail group id 1008

Found the problem.  setgid_group = vmail is bad, that should equal
postdrop.

Ran postfix set-permissions, and the problem went away.  \o/

-- Corey / KB1JWQ

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