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Yahoo! update their DMARC policy to protect it's users

The doors to your inbox need another lock

     
5:26 am on Apr 17, 2014 (gmt 0)

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The rules of using a From: as a Yahoo! mailbox but sent via a non Yahoo! server have changed.

On Friday afternoon last week, Yahoo made a simple change to its DMARC policy from “report” to “reject”.

[yahoo.tumblr.com ]

DMARC, which stands for "Domain-based Message Authentication, Reporting & Conformance", is a technical specification created by a group of organizations that want to help reduce the potential for email-based abuse by solving a couple of long-standing operational, deployment, and reporting issues related to email authentication protocols.
11:47 am on Apr 22, 2014 (gmt 0)

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Thanks for spotting that.
It couldn't come soon enough and should help stem the tide of e-mail junk.
5:51 pm on May 2, 2014 (gmt 0)

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Broke every mailing list in the world in the process.
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