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Re: [dmarc-ietf] auth-res vs. dmarc

Michael Thomas <mike@mtcc.com> Wed, 30 December 2020 15:17 UTC

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From: Michael Thomas <mike@mtcc.com>
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Date: Wed, 30 Dec 2020 07:17:21 -0800
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Subject: Re: [dmarc-ietf] auth-res vs. dmarc
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On 12/30/20 7:06 AM, Laura Atkins wrote:
> The auth-res result posted as an example of DMARC failing earlier in 
> this thread:
> Authentication-Results:mx.google.com  <http://mx.google.com>;
>         dkim=passheader.i=@ietf.org  header.s=ietf1 header.b=aayvF8Pg;
>         dkim=passheader.i=@ietf.org  header.s=ietf1 header.b="PwU4/yuQ";
>         dkim=neutral (body hash did not verify)header.i=@mrochek.com  header.s=201712 header.b=PRr8Q7Zv;
>         spf=pass (google.com  <http://google.com>: domain ofdmarc-bounces@ietf.org  designates 4.31.198.44 as permitted sender)smtp.mailfrom=dmarc-bounces@ietf.org;
>         dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=mrochek.com  <http://mrochek.com>
> The policy statement is right there: p=NONE.
>
No. That is not guaranteed whatsoever. It could say "(eat at Joe's)" and 
be valid.

Mike

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