Daily Archives: Friday, July 11, 2025

Microsoft’s New Email Rules: SPF, DKIM, DMARC or Bust (A CISO’s Sarcastic Guide)

originally posted non linkedin: https://www.linkedin.com/pulse/microsofts-new-email-rules-spf-dkim-dmarc-bust-cisos-sarcastic-ipp4f/?trackingId=ax49582QQsmt8%2FZStLd3GQ%3D%3D 🚨 I told you so. 🚨Yes, I did say this was coming. Loud and clear. But apparently, the gentle whispers of SPF, DKIM, and DMARC weren’t enough to wake those still snoozing in the warm blanket of “we’ll fix it when it breaks.”Well, guess what? Microsoft has joined the SPF-DKIM-DMARC enforcers club, right next to Google, Yahoo, and Apple. And this time, it’s not just polite suggestions. It’s “comply or good luck reaching the inbox.”Still waiting for a disaster to act? Don’t worry — NIS2 is just around the corner to give you a regulatory…

Posts navigation