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Re: [dmarc-ietf] Signaling MLMs

Hector Santos <hsantos@isdg.net> Thu, 13 April 2023 20:50 UTC

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From: Hector Santos <hsantos@isdg.net>
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Date: Thu, 13 Apr 2023 16:50:05 -0400
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Subject: Re: [dmarc-ietf] Signaling MLMs
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> On Apr 13, 2023, at 4:33 PM, John Levine <johnl@taugh.com> wrote:
> 
>> (2) An author domain can decide to affix this at its discretion, ...
> 
> The basic problem is that author domains lie about their policy, i.e.,
> p=none but they expect mailing lists to work, and their users are
> stuck.

It’s not a lie. The protocol expected the MLS or MLM using low code scripts to adjust. It’s been 17 years!  Hello?

1. Honor the policy, protect security by rejecting restrictive domains, or

2. Break the security layer, redistribute with no security.

You, as the author of DMARCbis, oddly choose #2.  Why not #1?

—
HLS

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