It's still Backscatter if you can’t do it at time-of-acceptance.
Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed." Open a ticket for Hotmail<http://go.microsoft.com/fwlink/?LinkID=614866> ? -----Original Message----- From: mailop <mailop-boun...@mailop.org> On Behalf Of Matt Vernhout via mailop Sent: Wednesday, November 20, 2019 4:53 PM To: Michael Wise <michael.w...@microsoft.com> Cc: mailop@mailop.org Subject: Re: [mailop] [EXTERNAL] Re: Reasons ISPs (Microsoft) ignore DMARC policy? If a sender asked you to reject that mail with their policy do them a favour and send a bounce that says something like ‘your DMARC said to bounce failed messages, if this is wrong fix your authentication and try again’ Bounces like this tend to get people attention. ~ Matt > On Nov 20, 2019, at 17:48, Michael Wise via mailop > <mailop@mailop.org<mailto:mailop@mailop.org>> wrote: > > if i rejected messages on dmarc failure, i would reject a lot of legitimate > messages (from well-intentioned but misconfigured senders and mailing lists) > but not so much spam _______________________________________________ mailop mailing list mailop@mailop.org<mailto:mailop@mailop.org> https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchilli.nosignal.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fmailop&data=02%7C01%7Cmichael.wise%40microsoft.com%7Cd0459c66729a4f7e714c08d76e1da893%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637098945988781558&sdata=5kDsBuYNjMfyjUQpN7qN0LViHdh6wJDbo91tfPlu%2BcA%3D&reserved=0
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