[exim] Re: Blocking Empty Return-Paths

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Autor: Heiko Schlittermann
Data:  
Para: exim-users
Asunto: [exim] Re: Blocking Empty Return-Paths
Brian Spraker via Exim-users <exim-users@???> (Fr 14 Jul 2023 18:30:03 CEST):
> Having a lot of new spam get through to the servers over the past few weeks.
> I am noticing in the Exim logs and also in the email headers that the "Return-Path" is empty.
> Is there a suitable way to block any emails that have empty return-paths and would this cause any other potential problems like mail failure notifications not getting through?
> Brian S.


You can use PRVS/BATV to filter legit bounces. I wouldn't block bounces
generally, as e.g. depending on how you do this, you may not even be
able to send messages anymore.

    Best regards from Dresden/Germany
    Viele Grüße aus Dresden
    Heiko Schlittermann
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