Re: [dmarc-ietf] Consensus Sought - Ticket #53 (Remove reporting message size chunking) - With Interim Notes

John Levine <johnl@taugh.com> Fri, 28 May 2021 18:01 UTC

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Date: Fri, 28 May 2021 14:01:22 -0400
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From: John Levine <johnl@taugh.com>
To: dmarc@ietf.org
Cc: vesely@tana.it
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Subject: Re: [dmarc-ietf] Consensus Sought - Ticket #53 (Remove reporting message size chunking) - With Interim Notes
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It appears that Alessandro Vesely  <vesely@tana.it> said:
>On Fri 28/May/2021 17:46:20 +0200 Todd Herr wrote:
>> 
>> Consensus on Ticket #53 <https://trac.ietf.org/trac/dmarc/ticket/53> (Remove 
>> reporting message size chunking) was reached during the May 27 DMARC Interim to 
>> remove the feature and update the IANA registry and ABNF grammar as necessary.
>
>Agreed.  However, the grammar should be retained in order to not invalidate 
>existing records.  Any !10m tail should just be ignored.

What I heard at the interim was that not only does nobody implement size limits,
some large receivers don't recognize the !nn suffix and the reports fail.  Take
it out so the spec agrees with reality.

R's,
John