How Facebook Fights Phishing Emails: DMARC

Once reported by the media, any new attempt to impersonate Facebook in an email requesting information from recipients seems to fade off the radar.

That might be the result of an open-source technology called DMARC that Facebook Engineer Michael Adkins has been working with since 2010, in partnership with others.

He explains in a blog post on the social network:

DMARC allows a domain owner to request aggregated, anonymized data from mailbox providers about email that appears to be from their domain.

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