[opendmarc-users] Sign DMARC by Sender header domain

[Benny Pedersen]

Rafael Novello skrev den 2017-06-14 23:26:
> Hi, my name is Rafael and I'm new on this group!

indeed mathes from: header

> I would like to know if there is a way to sign outgoing emails with
> DMARC with Sender/Return-Path header domain.

Return-Path: <opendmarc-users-bounces at trusteddomain.org>
Authentication-Results: linode.junc.eu; dmarc=fail (p=none dis=none) 
header.from=gmail.com
Authentication-Results: linode.junc.eu;
	dkim=fail reason="signature verification failed" (2048-bit key) 
header.d=gmail.com header.i=@gmail.com header.b=OidFrCy/;
	dkim-atps=neutral

seems trusteddomain breaks dkim very well

> I'm using OpenDMARC and successfully sign emails with From domain, but
> I need to do it with Sender/Return-Path header domain.

that would be another fail if you did that, since enveloppe from changes 
on every mta hop

> Thanks for any help!

indeed no help from me