On Mon, Nov 14, 2022 at 04:16:19PM +0100, wodel youchi wrote: > Some of my users got emails pretending to be from the admin, but looking > into the source of these emails, the From header was modified to mislead > the users, but the return-path still holds the real sender email address. > > What is the best way to deal with this? Is it a good idea to match the From > header with the Return-path, if yes how?
There is no requirement that the envelope sender match the "From:" header, all the mail you receive via this list legitimately fails that test. -- Viktor.