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Re: [dmarc-ietf] THIS IS A DISTRACTION (it might be)

John Levine <johnl@taugh.com> Sat, 08 April 2023 14:24 UTC

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Date: Sat, 08 Apr 2023 10:24:09 -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] THIS IS A DISTRACTION (it might be)
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It appears that Scott Kitterman  <sklist@kitterman.com> said:
>I think you have gotten yourself side tracked.
>
>The problem with DMARC and mailing lists is that receivers doing DMARC checks 
>can't (absent a list of mailing lists) reliably distinguish DMARC fail due to 
>normal mailing list processing and DMARC fail due to abusive behavior.

Even a list of mailing lists won't do it. One of the reasons ARC is
useful is that it lets recipients look back through the list manager
and recognize mail that was abusive before it hit the mailing list.

R's,
John

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