Fred Morris: > On Fri, 10 Apr 2020, Wietse Venema wrote: > > Fred Morris: > >> The "destination address" is extracted from which header? To: would be the > >> naive choice, but Delivered-To: is probably better. > > If it isn't munged, the envelop address (RCPT) becomes the Delivered-To: > address does it not?
I thought that you're trying to block mail BEFORE Postfix receives
it. Postfix creates the Delivered-To header DURING final delivery.
There is an obvious timing problem here.
Wietse
