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

[Reindl Harald]

do not mix the "From: header address of MAILER-DAEMON" with the envelope
from=<MAILER-DAEMON at domain(1,2,3)> would be the problem described below
why in the world do you need "sender_dependent_relayhost_maps" for vacation?

you should try to explain your problem and not how to implement a solution
http://www.catb.org/~esr/faqs/smart-questions.html

Am 22.01.2014 15:39, schrieb 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?
> 
> 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.

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