Re: [dmarc-ietf] p=quarantine

John R Levine <johnl@taugh.com> Sat, 12 December 2020 18:52 UTC

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Date: Sat, 12 Dec 2020 13:51:54 -0500
Message-ID: <6dc2d62e-e288-8d8f-44b2-6f42e7e580@taugh.com>
From: John R Levine <johnl@taugh.com>
To: Dave Crocker <dcrocker@gmail.com>, dmarc@ietf.org
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Subject: Re: [dmarc-ietf] p=quarantine
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On Sat, 12 Dec 2020, Dave Crocker wrote:
>> p=reject: all mail sent from this domain should be aligned in a DMARC
>> compliant way. We believe that unaligned mail is from unauthorized
>> senders so we ask receivers to reject it, even though that might mean
>> some of our authorized senders' mail is rejected too.
>
> As soon as this specification text, here, contains language about how this 
> information is to be used, should be used, or could be used, it crosses over 
> into creating confusion about expectations of receiver handling.

I agree with you, which is why I said "believe" and "request".

If we're going to have any description of p=none at all it needs to 
emphasize the point that it's telling you that they consider the messages 
unusually unimportant.  This appears to be at odds with what some DMARC 
users believe.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly