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Subject:	Re: DMARC - gmail.com or is it yahoo.com
To:	cygwin AT cygwin DOT com
References:	<CDSRUSk0C6IhJW5fcsK/2p AT 6lLLdJrcsT23NgoL8T/9g>
From:	cyg Simple <cygsimple AT gmail DOT com>
Message-ID:	<3d7853da-e43e-b41c-f5ae-59f1a7f4efd7@gmail.com>
Date:	Tue, 29 Nov 2016 13:20:58 -0500
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On 11/29/2016 10:28 AM, Jack wrote:
> On 2016.11.29 09:24, cyg Simple wrote:
>> I find this excerpt from cygwin-help a bit confusing.  Notice the
>> "yahoo.com" in the "Remote host said:" message.  What's really going on
>> here?  Why is yahoo.com doing the authentication for a gmail.com address?
>>
>> <excerpt>
>> Received: (qmail 130602 invoked for bounce); 17 Nov 2016 10:26:04 -0000
>> Date: 17 Nov 2016 10:26:04 -0000
>> From: MAILER-DAEMON AT sourceware DOT org
>> To: cygwin-return-205832- 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.
>>
>> <cygsimple AT gmail DOT com>:
>> User and password not set, continuing without authentication.
>> <cygsimple AT gmail DOT com> 173.194.202.27 failed after I sent the message.
>> Remote host 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 the administrator of yahoo.com
>> 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. e69si30940847pfk.231 - gsmtp
>> </excerpt>
>>

>
> I haven't looked at the details of this particular error, but are you
> using an alias'd address?  

No, I have the cygsimple address directly enrolled.  In fact on this
list if you use a forwarding address like users.sourceforge.net you'll
need to also register the primary address that address resolves to.

-- 
cyg Simple

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