Re: [dmarc-ietf] Forensic report loops are a problem

"Murray S. Kucherawy" <superuser@gmail.com> Wed, 27 January 2021 20:47 UTC

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From: "Murray S. Kucherawy" <superuser@gmail.com>
Date: Wed, 27 Jan 2021 12:47:13 -0800
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To: John Levine <johnl@taugh.com>
Cc: IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] Forensic report loops are a problem
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On Wed, Jan 27, 2021 at 12:37 PM John Levine <johnl@taugh.com> wrote:

> I still don't understand why failure reports about messages that
> happen to be failure reports are in any way special.
>

Loop detection in RFC 5321 is a normative MUST because of the obvious
operational problems it creates.  Maybe I'm being thick, but right now I
don't see how this is different, apart from the fact that each message is
distinct; you're still causing a problem by turning this on without a care
in the world about whether two verifiers start spamming each other.

-MSK