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Re: [dmarc-ietf] PSD vs org, 5.5.4. Publish a DMARC Policy for the Author Domain - dmarcbis-06

John Levine <johnl@taugh.com> Wed, 06 April 2022 16:04 UTC

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Date: 6 Apr 2022 12:03:53 -0400
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From: "John Levine" <johnl@taugh.com>
To: dmarc@ietf.org
Cc: sklist@kitterman.com
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Subject: Re: [dmarc-ietf] PSD vs org, 5.5.4. Publish a DMARC Policy for the Author Domain - dmarcbis-06
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It appears that Scott Kitterman  <sklist@kitterman.com> said:
>I see two potential paths out of this:
>
>1.  Slightly expand your proposal to say that if the 5322.From domain has psd=y, then the psd tag is
>ignored for all org domain determinations for the message.
>
>2.  Just say explicitly, if you are a PSD, you have to make all three the exact domain (effectively like
>strict alignment only).
>
>The current text says a domain is always its own org domain, so we have (without explaining it anywhere)
>defined #2 currently.  I think that's good.

Looking at the DMARC records for PSD, most of them say strict
alignment, so I agree, it's easy to explain and unsurprising.

R's,
John

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