Re: mailing list question

Chris,

you're right, that's exactly what a ton of bounce action notifications
that I got during the past days say. All are related to DMARC policy at
yahoo or gmail. Here's a sample

host gmail-smtp-in.l.google.com[74.125.136.27] 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. g47si15671187eet.174 - gsmtp

Regards,
Günter

Am 26.04.2014 11:09, schrieb Chris Fox:
> This may be something to do with Yahoo's recently revised DMARC policy.
> The stricter policy is breaking mailing lists. Gmail users may then also
> be caught in the crossfire, as Google enforces Yahoo's DMARC policy. I
> think the change to DMARC policy was adopted after so many Yahoo
> accounts were hacked and contact lists stolen earlier this year, leading
> to massive levels of spam from spoofed Yahoo accounts to personal
> contact lists (bypassing regular spam blocking). Yahoo probably does not
> care too much about it breaking email for the 5% of its users who are
> regular users of mailing lists.
>
> Chris
>
> On 2014-04-26 07:53, Anne Ogborn wrote:
>> Yup, I'm getting same thing
>> _______________________________________________
>> SWI-Prolog mailing list
>> [email protected]
>> https://lists.iai.uni-bonn.de/mailman/listinfo.cgi/swi-prolog