Re: [dmarc-ietf] fall back

Douglas Foster <dougfoster.emailstandards@gmail.com> Tue, 03 May 2022 10:23 UTC

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From: Douglas Foster <dougfoster.emailstandards@gmail.com>
Date: Tue, 03 May 2022 06:23:33 -0400
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To: Neil Anuskiewicz <neil=40marmot-tech.com@dmarc.ietf.org>
Cc: IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] fall back
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That part of the design is unchanged.   We check for an exact-match policy
first, and it is used if it exists.   The tree walk is used to find an org
domain when the exact-match policy is not present, and to find the subtree
scope for relaxed alignment when relaxed alignment is specified.

On Tue, May 3, 2022, 12:54 AM Neil Anuskiewicz <neil=
40marmot-tech.com@dmarc.ietf.org> wrote:

> Currently, receivers must use the policy published by a subdomain before
> falling back to the organizational domain policy (i.e., must choose the
> first record found).
>
> Under the new standard, receivers would discard policies, continuing to
> the next level up. So how would you handle the existing subdomain policies
> with a different policy than the org domain? Thank you.
> _______________________________________________
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> dmarc@ietf.org
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