Re: (DMARC) We've been here before, was Why mailing lists

"John R Levine" <johnl@taugh.com> Fri, 18 April 2014 15:26 UTC

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Date: Fri, 18 Apr 2014 11:26:22 -0400
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From: John R Levine <johnl@taugh.com>
To: "Murray S. Kucherawy" <superuser@gmail.com>
Subject: Re: (DMARC) We've been here before, was Why mailing lists
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> Using Sender: as the authentication key was suggested and ultimately
> abandoned during both DomainKeys (RFC 4870, the predecessor to DKIM) and
> Sender-ID (RFC 4406, pretty much never implemented) for this sort of reason.

Yup.  The patent license didn't help, but the fundamental problem is that 
it didn't do what users needed it to do.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
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