On 9/15/2015 9:25 AM, Mario Rosic wrote:
> Hello,
> 
> I am using aliases in /etc/postfix/virtual a lot, they allow me to
> register with a different address on every website and to throw away
> that address if it receives spam.
> 
> However, I would like to be able to "send" from those aliases too
> _without_ creating additional virtual mailbox users.
> 
> Example:
> I would like to create a new alias called post...@rosicmario.eu (to
> receive mail) AND a rewrite rule that changes the sender from
> m...@rosicmario.eu to post...@rosicmario.eu ONLY IF the the recipient is
> postfix-users@postfix.org.
> 
> Is that even possible with postfix?
> 
> Regards,
> Mario rosic
> 


Postfix does not implement conditional address rewriting.  You may
be able to do your conditional rewriting with an external milter or
proxy filter.


  -- Noel Jones

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