> Wietse Venema via Postfix-users <[email protected]>:
>
> Gerald Galster via Postfix-users:
>>
>>> Wietse Venema via Postfix-users:
>>>> I'll add some logging for the case that a bounce message
>>>> is rejected for whatever reason.
>>>>
>>>> But this won't reach Postfix 3.5.25.
>>>
>>> Quick experiment:
>>>
>>> Dec 10 14:40:00 wzv postfix/cleanup[330595]: 4dRQzN6pXBzVHYR:
>>> message-id=<4dRQzN6pXBzVHYR...
>>> Dec 10 14:40:00 wzv postfix/qmgr[330587]: 4dRQzN6pXBzVHYR: from=<...
>>> Dec 10 14:40:03 wzv postfix/smtp[330599]: 4dRQzN6pXBzVHYR:
>>> to=<doesnotexist@...
>>> 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?
>
> Please clarify. For this specific case, Postfix has never logged
> a bounce message queue ID.
I'm relating to the modified log message in general:
> Instead of new-queue-id it logs the reason why no bounce message
> was queued.
1) postfix/smtp[] : 4dQZCp5Vj4z19QP: to=<[email protected]>,
relay=mx.domain.com[1.2.3.4]:25, ..., status=bounced
2) postfix/bounce[]: 4dQZCp5Vj4z19QP: sender non-delivery notification:
4dQZCz37qZz19Qs
3) postfix/qmgr[] : 4dQZCz37qZz19Qs: from=<>, size=6467, nrcpt=1 (queue active)
4) postfix/smtp[] : 4dQZCz37qZz19Qs: to=<[email protected]>,
relay=mx.sender.com[2.3.4.5]:25, ..., status=sent
A log parser can trace the successful bounce delivery 4) back to the
failed delivery 1) by parsing the notification queue-id 2).
If you replace the new-queue-id with text (bounce reason), this is
no longer possible.
Or was your quick experiment just that: an experiment that won't
make it into official postfix releases?
Best regards,
Gerald
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