On Sun, Jan 18, 2015 at 07:41:15PM +0000, [email protected] wrote:
> Hi ok we double checked and this is the source of an email sent from
> [email protected] to [email protected]:
>
>
> Return-Path: <[email protected]>
> Delivered-To: [email protected]
> [...]
>
> so it looks like 'Return-Path: <[email protected]>' is added.
>
> We have some 'R' flag enabled in master.cf:
>
> dovecot unix - n n - - pipe
> flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
Why do you believe that adding Return-Path on final delivery is a
problem? It is rather a requirement IMHO.
> spamassassin unix - n n - - pipe
> flags=R user=debian-spamd argv=/usr/bin/spamc -e /usr/sbin/sendmail -oi -f
> ${sender} ${recipient}
>
> do you think the problem is here ?
This is not final delivery, don't use "R" here. And don't forget "--"
before the recipient list.
spamassassin unix - n n - - pipe
flags=R user=debian-spamd
argv=/usr/bin/spamc -e /usr/sbin/sendmail -oi -f ${sender} --
${recipient}
Postfix does its best to protect you with:
http://www.postfix.org/postconf.5.html#allow_min_user
but it is best to not rely on that too much.
--
Viktor.