Re: DMARC and yahoo

John C Klensin <john-ietf@jck.com> Sun, 20 April 2014 17:26 UTC

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Date: Sun, 20 Apr 2014 13:26:38 -0400
From: John C Klensin <john-ietf@jck.com>
To: Jeffrey Altman <jaltman@secure-endpoints.com>
Subject: Re: DMARC and yahoo
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--On Sunday, 20 April, 2014 12:52 -0400 Jeffrey Altman
<jaltman@secure-endpoints.com> wrote:

>...
> I took a different approach.  I left the bounce detection on
> but switched all @yahoo.com accounts to digest mode.  Since
> the mail now comes from the list instead of the @yahoo.com
> sender there are no rejections.   Not a perfect solution but
> it prevents harm to non-@yahoo.com list participants.

IMO, this is quite elegant.  The Yahoo users continue to get the
messages, you don't get cluttered by rejection-related
complaints, and those Yahoo users who don't like the digest form
can take it up with Yahoo or find other accounts to use.

   john