Only seven out of 21 US presidential candidates have implemented DMARC on their domains' email, a basic security feature that could have prevented the DNC hack (Zack Whittaker/TechCrunch)

Zack Whittaker / TechCrunch:
Only seven out of 21 US presidential candidates have implemented DMARC on their domains' email, a basic security feature that could have prevented the DNC hack  —  Just one-third of the 2020 U.S. presidential candidates are using an email security feature that could prevent a similar attack …

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