Re: Testing From-Munging

Todd Herr <[email protected]> Wed, 30 Mar 2022 11:18:17 -0400
Newsgroups gmane.ietf.smtp
Message-ID <CAHej_8meARhJWHeJEMwNkkqCp8idQehiO=bb9SkqbatHUOsZ9g@mail.gmail.com>
On Wed, Mar 30, 2022 at 1:04 AM dkg <[email protected]>
wrote:

> Sorry for the noise.  I'm just confirming that From-munging still happens
> on IETF mailing lists (see
> https://github.com/ietf-tools/mailarch/issues/3487)
>
> >From protonmail, this is an unsigned message.
>
>
My understanding has always been that the munging happens if the original
Author Domain has published a DMARC policy that isn't p=none, like
protonmail.com has done:

$ dig +short _dmarc.protonmail.com txt
"v=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;"



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*Todd Herr * | Technical Director, Standards and Ecosystem
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