Re: [dmarc-ietf] Abolishing DMARC policy quarantine

Hector Santos <hsantos@isdg.net> Wed, 12 June 2019 14:41 UTC

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Date: Wed, 12 Jun 2019 10:41:44 -0400
From: Hector Santos <hsantos@isdg.net>
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Subject: Re: [dmarc-ietf] Abolishing DMARC policy quarantine
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On 6/12/2019 9:49 AM, Dotzero wrote:
>
>     Given that the 5322.from is crucial for DMARC, and the 5322.from
>     is transmitted after DATA, how can you evaluate DMARC before DATA?
>
> You can't evaluate DMARC before DATA.

Sure you can. I explained how it can be explored today!

Right now, today, it can explored with an existing protocol just was 
recently made historic:

https://tools.ietf.org/html/rfc4405

The status change was done because this protocol was part of the 
SenderID vs SPF experiment and SenderID lost.  SPF was made a standard 
track protocol.   It does not mean we could not consider leveraging 
the exist SUBMITTER code for other purposes and its a right fit for a 
high overhead payload technology in DMARC. I will suggest it can offer 
a high optimization payoff:

   - Eliminate payload reception overhead, yet still
   - Provide DMARC reporting and disposition override capabilities.

I don't think its an "Horrible Idea."  I think its a great idea. :)

-- 
HLS