Can iCloud remotely enable Protect Mail Activity on your Mac?

This may sound far-fetched, but I already found that iCloud remotely triggers iMessage sign-in and sync (as well as FaceTime sign-in). I have circumstantial evidence that iCloud also remotely enabled Protect Mail Activity on my Mac, and I can’t think of any other explanation. Let me describe the circumstances in detail. Yesterday, inspired by social media , I was looking through the Mac Mail app…