On Wed, Dec 10, 2025 at 09:51:57PM +0100, Gerald Galster via Postfix-users
wrote:
> > Dec 10 14:40:03 wzv postfix/bounce[330605]: 4dRQzN6pXBzVHYR: sender
> > non-delivery notification: message content rejected
> > Dec 10 14:40:03 wzv postfix/qmgr[330587]: 4dRQzN6pXBzVHYR: status=deferred
> > (bounce failed)
> >
> > For this experiment I repurposed the existing logging:
> >
> > old-queueid: sender non-delivery notification: new-queueid
>
> Can you implement that in a backwards compatible way, as it may
> break mailflow applications that parse queue-ids to track bounces?
This *is* backwards compatible. The problem is with the original queue
file for which no bounce message was queued (rejected by cleanup(8)) and
it is the original queue-id which therefore is deferred, and for which
the problem must be reported.
As Wietse notes, this is not changing existing logging of bounce message
processing in which a bounce message is successfully enqueued.
--
Viktor. 🇺🇦 Слава Україні!
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