Re: [dmarc-ietf] I-D Action: draft-ietf-dmarc-psd-11.txt

Tim Wicinski <tjw.ietf@gmail.com> Mon, 22 March 2021 15:45 UTC

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From: Tim Wicinski <tjw.ietf@gmail.com>
Date: Mon, 22 Mar 2021 11:44:57 -0400
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To: Dave Crocker <dcrocker@gmail.com>
Cc: "Kurt Andersen (b)" <kboth@drkurt.com>, IETF DMARC WG <dmarc@ietf.org>, Alessandro Vesely <vesely@tana.it>
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Subject: Re: [dmarc-ietf] I-D Action: draft-ietf-dmarc-psd-11.txt
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Oh shoot y'all I removed "obviously" once, then accidentally added it back
in.

My mistake.



On Mon, Mar 22, 2021 at 11:41 AM Dave Crocker <dcrocker@gmail.com> wrote:

>
>
>> NEW
>>
>>    Defensively registering all variants of "tax" is obviously not a
>>    scalable strategy.  The intent of this specification, therefore, is
>>    to enhance the DMARC discovery method by enabling an agent receiving
>>    such a message to be able to determine that a relevant policy is
>>    present at "gov.example", which is precluded by the current DMARC
>>    specification.
>>
>
> Tim,
>
> I still think that including the term "obviously" in the first sentence of
> this snippet is a pejorative judgemental statement which is out of place in
> a specification. Especially given that there are alternatives to
> "registering" any such domains at all via the use of "trick" DNS servers at
> the PSD level.
>
>
> Even worse is the demonstrable fact that it is far from obvious to many
> people and businesses.  Buying up cousin domains remains an active line of
> effort for (some) companies.
>
> Consequently, the requirement here is to explain why it isn't scalable,
> rather than to simple assert the fact.
>
>
> d/
>
> --
> Dave Crockerdcrocker@gmail.com
> 408.329.0791
>
> Volunteer, Silicon Valley Chapter
> Information & PLanning Coordinator
> American Red Crossdave.crocker2@redcross.org
>
>