Re: [dmarc-ietf] ARC questions

John Levine <johnl@taugh.com> Mon, 23 November 2020 21:53 UTC

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From: "John Levine" <johnl@taugh.com>
To: dmarc@ietf.org
Cc: todd.herr@valimail.com
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Subject: Re: [dmarc-ietf] ARC questions
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In article <CAHej_8nN+827KB+tTuyoeZXoUaKzcYoeizNmwSY-fKTquroPMA@mail.gmail.com> you write:
>I suppose that an approach to building up an ARC reputation might be one
>where over time a receiving site can compare indirect mail flow that is
>purported to have X as an authenticated identifier with mail that comes
>direct to the receiving site with X as an authenticated identifier. ...

I think it's more likely to be ad-hoc, does this source send mail that
looks like mailing lists and the recipients don't flag or complain
about it.

R's,
John

PS:

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Too late.