On Sunday 29 March 2015 10:43:06 am Will Hill wrote:
> I keep getting bounce warnings from this list, apparently because of a problem 
> with Yahoo.  The bounce messages say,
> 
> "host gmail-smtp-in.l.google.com[74.125.70.26] said:
>     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. ro6si3093371igb.36 - gsmtp (in reply to end of DATA
>     command)"
> 
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> 

I too got a warning about messages being bounced.  Dunno what the heck yahoo has to do with it,  though.

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin