[170791] in North American Network Operators' Group
Re: Yahoo DMARC breakage
daemon@ATHENA.MIT.EDU (Tom Simes)
Wed Apr 9 12:53:06 2014
Date: Wed, 09 Apr 2014 08:52:42 -0800
From: Tom Simes <simestd@netexpress.com>
To: nanog@nanog.org
In-Reply-To: <CA+E3k93TFgCUQ3TqvMqoNTBn4rSeW168Qg7yZtMaRgKu8yUH7A@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 04/09/14 07:13, Royce Williams wrote:
> Am I interpreting this correctly -- that Yahoo's implementation of
> DMARC is broken, such that anyone using a Yahoo address to participate
> in a mailing list is dead in the water?
>
> http://www.ietf.org/mail-archive/web/ietf/current/msg87153.html
> http://www.theregister.co.uk/2014/04/08/yahoo_breaks_every_mailing_list_in_the_world_says_email_guru/
>
> My mailman bounce action notifications are going through the roof.
>
> Royce
>
Ugly. Confirmed across a variety of Mailman lists I administer.
Harvested addresses from the bounce logs, scripted up a notification to
small batches of addresses and moderated all @yahoo! addresses on the lists.
Can you say Collateral! Damage! Yahoo!
--
Tom
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"Z80 system stack overflow. Shut 'er down Scotty, she's
sucking mud again!" - Error message on XENIX v3.0
Tom Simes simestd@netexpress.com
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