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Re: [ietf-dkim] A more fundamental SSP axiom

Douglas Otis <dotis@mail-abuse.org> Wed, 02 August 2006 19:33 UTC

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From: Douglas Otis <dotis@mail-abuse.org>
Subject: Re: [ietf-dkim] A more fundamental SSP axiom
Date: Wed, 02 Aug 2006 12:16:29 -0700
To: Bill Oxley <Bill.Oxley@cox.com>
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On Aug 2, 2006, at 11:55 AM, <Bill.Oxley@cox.com>  
<Bill.Oxley@cox.com> wrote:

> Dave,
> As a receiver I would like to know who sent the message, who signed  
> the message and any further information that might allow me to  
> assign a spam score accurately for further edge processing.

Who signed the message is evident by the DKIM signature.  Valuable  
information would be whether this signature is "authoritative" for  
the 2822.From domain or whether the SMTP client adding DKIM  
signatures is "authoritative" for the domain.  Information related to  
what is or is not used offer less value, and may become a means to  
deny or disrupt service.

-Doug

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