On 08/17/17 09:27, Søren Peter Skou wrote:
> Hiya,
> 
> I’m having sort of a strange problem with my postfix installation.
> 
> I have Local users and users with forwards. Some can have more than one
> forward, say we have Original-Recipient [email protected] <mailto:[email protected]> that
> forwards to local [email protected] <mailto:[email protected]> and remote [email protected]
> <mailto:[email protected]> . At first, my remote user did not get the mail at
> all. I suspected the remote end, but some debugging showed that it was
> the Postfix that simply did not deliver to remote destinations when
> forwarding. Having thought about this for some time I ended up with a
> solution that at least managed to ship mails to the remote user. But now
> the local user gets 2 mails, one that is clearly destined for [email protected]
> <mailto:[email protected]>, but also one that is destined for [email protected]
> <mailto:[email protected]>.


Short version:
If you have a delivery address aliasing scheme set up that results in
mail being delivered to duplicate email addresses for the same user, it
is not Postfix's responsibility to de-duplicate those emails.  That's on
you.


-- 
  Phil Stracchino
  Babylon Communications
  [email protected]
  [email protected]
  Landline: +1.603.293.8485
  Mobile:   +1.603.998.6958

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