Well, this is off to a bad start. I just loaded SS for the first time ever. Brand new user.
Every time I go to mark a message as Spam (after following the set up instructions and beginning the training process), I get a pinwheel that doesn’t go away. I have to force quit Mail.
For some reason, SpamSieve then automatically reopens mail, and the issue is stuck in an internal force quit loop.
I put SpamSieve in the Trash, and now when I open Mail I get a "Cannot find SpamSieve"message that continually pops up time after time. I eventually got to the point where I could quickly perform a single function between notification windows, and I disabled the SpamSieve Rule.