@d19dotca Sadly, they do match. I'm guessing it's something with my current setup that's acting funny. I'll ignore it for now since I plan on migrating either to the new Contabo server that I got or upgrading my current one at DO to Ubuntu 20.04. I just thought it was a wrong setting on my part.
Thank you for looking into this and for sharing the custom spam rules! I know you've put a lot of time into that 👍