Re: DMARC and yahoo

Theodore Ts'o <tytso@mit.edu> Wed, 16 April 2014 01:47 UTC

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Date: Tue, 15 Apr 2014 21:47:14 -0400
From: Theodore Ts'o <tytso@mit.edu>
To: Doug Royer <douglasroyer@gmail.com>
Subject: Re: DMARC and yahoo
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References: <CAKW6Ri6OUmxGaBOGR2hoWpDOGWsVQ9tQ2Q9ogkT5wzFhFJLBbQ@mail.gmail.com> <534D9C2C.8010606@gmail.com> <20140415214348.GL4456@thunk.org> <1397607352.389753533@f361.i.mail.ru> <534DCFFB.4080102@gmail.com> <20140416012205.GC12078@thunk.org> <534DE079.5050206@gmail.com>
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On Tue, Apr 15, 2014 at 07:44:25PM -0600, Doug Royer wrote:
> On 04/15/2014 07:22 PM, Theodore Ts'o wrote:
> >On Tue, Apr 15, 2014 at 06:34:03PM -0600, Doug Royer wrote:
> >>Yahoo does not seem to require DMARK. Simply use one of the other two
> >>options. I use SPF for my domains, and it makes it through their systems
> >>just fine.
> >You seem to be confused about what the problem is.  ...
> 
> Yes, I did misunderstand. Now I wonder if the yahoo techs understood the
> effects.

Apparnetly, they believe that mailing list traffic is "insignificant".

So if only an insignificant number of yahoo.com users are encouraged
to switch to another mail provider, I'm asusming they won't mind....

	     	       	   	    	       - Ted