Re: [dmarc-ietf] A-R results for DMARC

John R Levine <johnl@taugh.com> Tue, 08 December 2020 04:31 UTC

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Date: Mon, 07 Dec 2020 23:31:17 -0500
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From: John R Levine <johnl@taugh.com>
To: "Murray S. Kucherawy" <superuser@gmail.com>
Cc: IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] A-R results for DMARC
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On Mon, 7 Dec 2020, Murray S. Kucherawy wrote:
> The original intent back in RFC 5451 was to relay only those details that
> an MUA might care about, such as the DKIM result (so you can display
> something representing a "pass" or "fail" on a message) and maybe the
> domain name found in a passing signature (an early shot at caring about
> alignment when rendering a message). ...

I suppose but 5451 also says it might be useful to message filters.

> So that ship has sailed, meaning yes, we could register these too if
> they're going to be useful to downstream agents.  Though for that matter,
> you could just start using them even without registering them to see if it
> would be helpful, because 8601 allows for local conventions (the
> tried-and-true "ignore what you don't know" thing that DKIM introduced).

Sure, I can write the code to stick them in but it would be nice to have 
some expectation that I'm not going to collide with something else, or 
other people use different tags for the same thine.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly