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Wow, DMARC continues to spread like wildfire! Data from Farsight Security shows that DMARC adoption increased significantly in 2019. Up from 630,000 domains with DMARC in 2018, they now have observed 1.89 million domains publishing a DMARC policy over the past year.

DMARC is a very useful security tool to help prevent malicious and unauthorized use of your domain name in email. You should implement DMARC if you haven't already. And if you have, you're in good company!

DMARC Policies Up 250% In 2018

Look at the explosive growth of DMARC implementations! This is great to see.

Read more about it over on