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

Dnia 16.05.2026 o godz. 18:34:58 Wietse Venema via Postfix-users pisze:
> The existing Postfix architecture cannot deduplicate that. It would
> have to compute the delivery graph ahead of time, including virtual
> and local aliasing and forwarding. 
> 
> That graph would have to be available in one place, so that an
> all-seeing kremlin scheduler can detect ahead of time that some
> combination of aliasing mechanisms will resolve different addresses
> to the same mailbox.

I would also say that such deduplication - if it were possible - would make
it harder to catch config errors.

If (hypothetically) I made a config error that results in mails being
delivered twice, I want to KNOW it, so I can find and fix it. If
deduplication would take place, I wouldn't know that I made a mistake.
-- 
Regards,
   Jaroslaw Rafa
   [email protected]
--
"In a million years, when kids go to school, they're gonna know: once there
was a Hushpuppy, and she lived with her daddy in the Bathtub."
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