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Re: [dmarc-ietf] Ticket #1 - SPF alignment

"Murray S. Kucherawy" <superuser@gmail.com> Mon, 07 December 2020 07:13 UTC

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From: "Murray S. Kucherawy" <superuser@gmail.com>
Date: Sun, 06 Dec 2020 23:12:50 -0800
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To: John R Levine <johnl@taugh.com>
Cc: IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] Ticket #1 - SPF alignment
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On Tue, Dec 1, 2020 at 2:17 PM John R Levine <johnl@taugh.com> wrote:

> We would like to close this ticket by Dec 15, two weeks from now, so short
> trenchant comments are welcome.
>
> Ticket #1 is about SPF alignment.  We need to replace references to 4408
> with 7408, ando clarify what if anything we do with SPF HELO checks if
> the MAIL FROM is null.  One possibility is to say only MAIL FROM SPF
> counts, if you want to align your bounces, sign them.  The other is to
> explicitly say that HELO alignment is OK on bounces.
>

I have a slight preference for the first option.  HELO is too arbitrary in
the protocol for me to put much value in using it in any of these systems.

-MSK

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