On Mon, 30 Sep 2024 22:28:38 +0200, Kirill A. Korinsky <kir...@korins.ky> wrote: > > This is hardcoded behaviour, but you may hack it like this: >
Sorry, I tired and seems to make quite a poor wording. Provided hack is a way to avoid empty MAIL FROM command on bounced mails which turns into some value inside Return-Path. Keep in mind that if your mail server is available from the world, and recipient of that bounce had similar behaviour... well... both servers will send to each other bounces until ... well... probably until someone manually break the loop of bounces. -- wbr, Kirill