On Tue, Nov 1, 2016 at 12:38 PM, André Rodier <an...@rodier.me> wrote:

> Hello all!
>
> I have set up my postfix server, and my DNS entries to support DKIM, SPF
> and DMARC. However, I think I may have an error somewhere, because the
> "Authentication-Results:" header for DMARC -s "fail":
>
> Does anyone knows why, please? I have send an email to an online DMARC
> test, and did not receive any warning.


May I recommend asking somewhere DMARC-specific, like here:

http://www.trusteddomain.org/mailman/listinfo/opendmarc-users

If you'd also like to configure Postfix to do DMARC testing against
incoming mail with Postfix, I have a walk-thru here:

http://www.stevejenkins.com/blog/2015/03/installing-opendmarc-rpm-via-yum-with-postfix-or-sendmail-for-rhel-centos-fedora/

SteveJ

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