[171177] in North American Network Operators' Group

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Re: Yahoo DMARC breakage

daemon@ATHENA.MIT.EDU (Franck Martin)
Sun Apr 20 23:58:00 2014

From: Franck Martin <fmartin@linkedin.com>
To: Scott Howard <scott@doc.net.au>
Date: Mon, 21 Apr 2014 03:57:20 +0000
In-Reply-To: <CACnPsNXy7zqBMR=W-pds4UQQmv7DJPqxJEf9k2s=Mcz=gfpbaw@mail.gmail.com>
Cc: North American Network Operators Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

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On Apr 20, 2014, at 4:07 PM, Scott Howard <scott@doc.net.au> wrote:

> On Sun, Apr 20, 2014 at 3:01 PM, Franck Martin <fmartin@linkedin.com> =
wrote:
> why does this list break DKIM when forwarding?
>=20
> =46rom the Gmail headers your email :
>=20
>  Authentication-Results: mx.google.com;
>        spf=3Dneutral (google.com: =
nanog-bounces+scott=3Dexample.com@nanog.org does not designate permitted =
sender hosts) smtp.mail=3Dnanog-bounces+scott=3Dexample.com@nanog.org;
>        dkim=3Dpass header.i=3D@linkedin.com;
>        dmarc=3Dpass (p=3DREJECT dis=3DNONE) header.from=3Dlinkedin.com
>=20
>   Scott
>=20

Sure as long as I make sure my post is plain text only which you know is =
not anymore a standard on many email clients (and not configureable on =
many mobile mail clients).

So if this list stops to strip the HTML mime part it will pass DMARC in =
all cases.


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