DMARC – The New Spam Filter

New DMARC Authentication system looks to bring SPF and DKIM together under one system, and it’s supported by Google, Microsoft, Yahoo and PayPal

Spam comes in many flavors, all hurt email delivery

Cnet says AOL, Bank of America, Fidelity Investments, American Greetings, LinkedIn, and e-mail security providers Agari, Cloudmark, eCert, Return Path, and Trusted Domain Project.

To me this sounds like great news for us all, both senders and email inbox subscribers.

How Does DMARC Work?

A DMARC policy allows a sender to indicate that their emails are protected by SPF and/or DKIM, and tells a receiver what to do if neither of those authentication methods passes – such as junk or reject the message. DMARC removes guesswork from the receiver’s handling of these failed messages, limiting or eliminating the user’s exposure to potentially fraudulent & harmful messages. DMARC also provides a way for the email receiver to report back to the sender about messages that pass and/or fail DMARC evaluation.

You can read the full DMARC specification here….

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