On 25 January 2018 at 16:02, Zach Sheppard <zshepp...@g.oconee.k12.sc.us> wrote:
> Is it possible to exempt one sender from receiving non-delivery > notifications? We have a DMARC policy that forces DKIM headers on all mail > and when Postfix sends a non-delivery notification to this bulk mail sender > (a fake e-mail alias) it fails because of our DMARC policy. > > I have set notify_classes= to not receive any e-mails about errors/bounces > but it looks like the non-delivery notifications still occur. > > How could I block one sender from receiving those notifications? > Rather than remove the notifications you could make them DMARC compliant with: internal_mail_filter_classes = bounce See http://www.postfix.org/postconf.5.html#internal_mail_filter_classes - note the warning (presumably because of a loop risk)