[pfx] Re: Duplicate deliveries of expanded addresses (Was: Re: Avoiding message doubling via virtual aliases)

Wietse Venema via Postfix-users <[email protected]> Mon, 18 May 2026 15:56:16 -0400 (EDT)
Newsgroups gmane.mail.postfix.user
Message-ID <[email protected]>
Steffen Nurpmeso via Postfix-users:
> 
> Thanks, thanks.  But really, i had only missed aka did not realize
> what
> 
>     enable_original_recipient = no

I exists so that domain-in-a-mailbox can distinguish different
recipiemts by their X-Orginal-To: header.
	Wietse

> really does.  It is exactly the configuration toggle that i need.
> (For myself.  Given Jaroslaw Rafa's statement it would likely be
> "super-cool" if the behaviour could be configured on a target
> domain or recipient base, like with regex flags or what do i know.
> I have that simple domain layout, with different names but only

As a de-optimization feature for a niche use case, X-Original-To:
related support pervades Postfix allready more than desirable.

	Wietse

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