Re: [dmarc-ietf] Consensus Sought - Ticket #54 (Limits on recipients per report) - With Interim Notes

John Levine <johnl@taugh.com> Fri, 28 May 2021 18:03 UTC

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Date: 28 May 2021 14:03:35 -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 #54 (Limits on recipients per report) - With Interim Notes
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It appears that Alessandro Vesely  <vesely@tana.it> said:
>On Fri 28/May/2021 17:46:54 +0200 Todd Herr wrote:
>> Greetings.
>> 
>> Consensus on Ticket #54 <https://trac.ietf.org/trac/dmarc/ticket/54> (Remove or 
>> expand limits on number of recipients per report) was reached during the May 27 
>> DMARC Interim to update the text in the DMARC URIs section to read:
>> 
>>     The place such URIs are specified (see Section 6.3)
>>     allows a list of these to be provided. The list of URIs is separated by
>>     commas (ASCII 0x2c). A report SHOULD be sent to each listed URI provided in
>>     the DMARC record.
>
>
>Works for me.  (Note that a limit of 100 recipients is silently enforced by 
>most underlying MTAs.)

That's 100 recipients per SMTP session.  Nothing keeps you from sending mail to 10,000
recipients in 100 sessions.  I do not think this detail affects the decision to take
out the limit since it's hard to imagine a useful scenario with as many as 10 recipients.

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