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

"John Levine" <johnl@iecc.com> Thu, 17 April 2014 20:34 UTC

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Date: Thu, 17 Apr 2014 16:34:25 -0400
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From: John Levine <johnl@iecc.com>
To: mrex@sap.com, Douglas Otis <doug.mtview@gmail.com>
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Subject: Re: (DMARC) We've been here before, was Why mailing lists
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Cc: Pete Resnick <presnick@qti.qualcomm.com>, "ietf@ietf.org" <ietf@ietf.org>
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> This is *NOT* about protection or authentication, this is purely about
> rfc822/2822/5322 message semantics.  Something that has been well-defined
> and constant for decades.

I have considerable sympathy in theory for your viewpoint, but in 
practice, the Sender header was deprecated a long time ago.  Most MUAs 
ignore it, the few that don't display it in a way that just confuses people.

-- 
Regards,
John Levine, johnl@iecc.com, http://jl.ly
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