Re: [dmarc-ietf] NXDOMAIN

"Kurt Andersen (b)" <kboth@drkurt.com> Thu, 08 April 2021 15:44 UTC

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From: "Kurt Andersen (b)" <kboth@drkurt.com>
Date: Thu, 08 Apr 2021 08:44:33 -0700
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To: Douglas Foster <dougfoster.emailstandards@gmail.com>
Cc: "Murray S. Kucherawy" <superuser@gmail.com>, IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] NXDOMAIN
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On Thu, Apr 8, 2021 at 5:02 AM Douglas Foster <
dougfoster.emailstandards@gmail.com> wrote:

>
> "IETF is interested in attacks of the form
> 'otherdomain.nonexistentdomain.psd', but IETF is not interested in attacks
> of the form 'nonexistentdomain.otherdomain.psd'.
>

I don't understand your assertion here. Non-existent domains under existing
org domains are already covered by the org-level DMARC policy assertion.
5322.From domain of nosuchdomain.example.com would be treated in accord
with the policy for example.com.

--Kurt