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From: cyg Simple <cygsimple AT gmail DOT com>
Message-ID: <1f53c938-95b6-b93c-4a8b-c141053e2d45@gmail.com>
Date: Wed, 2 Nov 2016 09:04:39 -0400
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On 11/2/2016 6:43 AM, Andrey ``Bass'' Shcheglov wrote:
> 
> Hello,
> 
> Yesterday, I've received the warning message saying emails to gmail
> servers are bouncing:
>> Return-Path: <> > Received: (qmail 24363 invoked for bounce); 20 Oct 2016 21:51:31
> -0000 > Date: 20 Oct 2016 21:51:31 -0000 > From:
> MAILER-DAEMON AT sourceware DOT org > To: cygwin-return-205581- AT cygwin DOT com >
> Subject: failure notice > > Hi. This is the qmail-send program at
> sourceware.org. > I'm afraid I wasn't able to deliver your message to
> the following addresses. > This is a permanent error; I've given up.
> Sorry it didn't work out. > > <andrewbass AT gmail DOT com>: > User and
> password not set, continuing without authentication. >
> <andrewbass AT gmail DOT com> 173.194.202.26 failed after I sent the message. >
> Remote host said: 550-5.7.1 Unauthenticated email from vanav.org is not
> accepted due to domain's > 550-5.7.1 DMARC policy. Please contact the
> administrator of vanav.org domain if > 550-5.7.1 this was a legitimate
> mail. Please visit > 550-5.7.1 
> https://support.google.com/mail/answer/2451690 to learn about the > 550
> 5.7.1 DMARC initiative. t2si13659406pgn.168 - gsmtp
> Is it a misconfiguration at Cygwin side, or some new policy employed by
> Google?
> 

I received the same emails and requested the digest of missing mail.  I
didn't see anything that I hadn't read already.

-- 
cyg Simple

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