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DMARC (Domain-based Message Authentication, Reporting and Conformance) is an email authentication protocol. It is designed to give email domain owners the ability to protect their domain from unauthorized use, commonly known as email spoofing.

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Does gmail use SPF or DMARC when sending messages outside of gmail?

I can't seem to find any record of SPF or DMARC in the original messages coming from gmail to my mail server. Does gmail use SPF or DMARC when sending messages outside of gmail? …
johnnyApplePRNG's user avatar