Email Security Foundations #02: SPF, DKIM, DMARC, DANE, MTA-STS and BIMI explained
This post is part of the Email Security Foundations series on MSDigest.net. The goal of the series is simple. Explain SPF, DKIM, DMARC, DANE, MTA‑STS, and BIMI in a way that actually helps Microsoft 365 admins run safer email. Before we go deep, here is the map In post #01 we looked at why email authentication still matters and why spoofing is still so effective. Before diving into each technology on its own, it helps …