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-dae...@sourceware.org To: cygwin-return-2058...@cygwin.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. <cygsim...@gmail.com>: User and password not set, continuing without authentication. <cygsim...@gmail.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> -- cyg Simple -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
