@WarnerCrocker@davemark While I was reading your post about this, I got an email from Sanebox that the App Specific Password stopped working. Going to fix this next.
It’s interesting that my wife, son and daughter didn’t get locked when I did. The only difference I can tell is that they all use icloud.com addresses for their ID and I use my original mac.com address. Not sure if that has anything to do with it. Would be nice if Apple actually said something about what happened…