Greetings, Wietse Venema!

> Andrey Repin:
>> Greetings, All!
>> 
>> I just discovered that mail generated locally (i.e. introduced by pickup
>> daemon) is not signed.
>> 
>> Digging in documentation, I've found 
>> http://www.postfix.org/postconf.5.html#non_smtpd_milters

> That's what I use for signing this local submission.

I understand that it's usable (it doesn't take much time to flip the switch
and run sendmail to test, postconf is a wonderful tool!), but a note on its
scope made me nervous.
Though, if not using QMQP daemon, it seems harmless enough to use.

>> And then there's rather old post on SO 
>> https://serverfault.com/a/547778/208335
>> which says that even if it's enabled, the reports generated by postfix itself
>> will still not be signed.

> I use 'internal_mail_filter_classes = bounce' for that.

> Maybe that should have finer granularity: it may be OK to inspect
> bounces with Milters, but it may not be OK with header/body_checks.

Yes, I see how this can be a problem.
Is there a way around it? How are the bounces/notifications introduced to
the queue? May be some parameter there could enable just the necessary
processing? Or may be the queue itself could run the signer somehow?


-- 
With best regards,
Andrey Repin
Monday, February 18, 2019 21:00:01

Sorry for my terrible english...

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