medium10 pts · first answer countsphishing-analysisdkimemail-authentication

What a passing DKIM check proves

An email shows dkim=pass header.d=newsletter.example. What does this tell you?

A.The email came from an IP that is listed in the SPF recordB.A key published by newsletter.example signed it, unchanged sinceC.The content and attachments of the email are safe to openD.The From address is exactly newsletter.example

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What a passing DKIM check proves

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