Hi, all.
I'm taking a first look at DMARC, and I have a few questions. My
interest is as a third party sending mail on behalf of another
organization, and I want to handle bounces for that mail. So if the mail
I'm sending looks like this:
MAIL FROM: <[email protected]>
DKIM-Signature: v=1; ...; d=example.com; ...
From: [email protected]
Date: Fri, Feb 15 2002 16:54:30 -0800
To: [email protected]
Subject: here's a sample
Clearly, the SPF identifier is not in alignment. However, am I correct
in understanding that this would still pass the DMARC check, as long as
the DKIM signature (which is in alignment) validates?
Assuming that's correct, would this be considered an acceptable
practice? I've looked at the FAQ question on third-party senders, and I
think what I'm describing corresponds to the suggestion A.2 there.
Has anyone suggested allowing the DMARC record to specify acceptable
third-party domains for the RFC5321.MailFrom? In other words, the record
for example.com could specify that a MailFrom of 3dparty.com should be
considered in alignment for the purpose of SPF checks?
Regards,
Joe Humphreys
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