[Dovecot] Problem with LDA. When vacation auto-reply sent, the field from=<>.

[Dmitry]

Thanks for your quick reply.

Can I least make dovecot write from=<MAILER-DAEMON at domain(1,2,3)>?
How can I make "sender_dependent_relayhost_maps" works in postfix?

Best Regards
Dmitry


On Wed, 22 Jan 2014 14:18:26 +0100
Reindl Harald <h.reindl at thelounge.net> wrote:

> Am 22.01.2014 13:39, schrieb Dmitry:
> > My problem is that when vacation auto-reply sent the field from=<>
> > Because of this does not work "sender_dependent_relayhost_maps" in postfix
> 
> <> is correct in case of auto-responders
> 
> why?
> to prevent mail-loops if both sides have a responder
> 
> well, there are special headers too for this but they
> rely on be respected by the final destination while
> null sender never get bounces and replies
> 
> http://en.wikipedia.org/wiki/Bounce_message
> 
> Bounce messages in SMTP are sent with the envelope sender address <>,
> known as the null sender address. They are frequently sent with a From:
> header address of MAILER-DAEMON at the recipient site.
>