Anyone bitten by the "Yahoo hates mailing-lists" bug yet?

[Tim Tisdall]

    SMTP error from remote mail server after end of data:
    host gmail-smtp-in.l.google.com [74.125.142.26]:
    550-5.7.1 Unauthenticated email from yahoo.com is not accepted due to
domain's
    550-5.7.1 DMARC policy. Please contact administrator of yahoo.com domain
if
    550-5.7.1 this was a legitimate mail. Please visit
    550-5.7.1  http://support.google.com/mail/answer/2451690 to learn about
DMARC
    550 5.7.1 initiative. gw5si11512838icb.184 - gsmtp

I have servers which forward email to gmail accounts.  If there's any
issues I get emails sent to me about the issue.  So far, all of these
messages I've gotten are spam messages pretending to be from yahoo accounts.


On Mon, Apr 14, 2014 at 2:15 PM, David Collier-Brown <davec-b-bJEeYj9oJeDQT0dZR+AlfA at public.gmane.org>wrote:

> Yahoo US, but not Canada, has decided that DMARC is ready for prime
> time, and turned it on, thus cutting off all yahoo-email  users from any
> mailing lists they're on.  The IETF, which hasn't put it onto the
> standards track yet is annoyed: they just got cut off! YahooCanada, who
> delivers my home email for Rogers, *reputedly* has not yet cut any
> Canadians off.
>
> Anyone observed any oddness?
>
> The symptoms are
>  - if you're using yahoo mail, you don't get any mail from your lists
>  - if you're not a yahoo mail user, everything you send to the list
> bounces back at least once, and often once for each yahoo-email-victim
> on the list.
>
> --dave
>
> --
> David Collier-Brown,         | Always do right. This will gratify
> System Programmer and Author | some people and astonish the rest
> davecb-0XdUWXLQalXR7s880joybQ at public.gmane.org           |                      -- Mark Twain
>
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