I was wondering how the spammers got in (as well as why so many members have been able to accidentily post as guests) and finally figured out that when I created the newer forums, I forgot to set them to "registered only" and they were still set to the default "public". So now Tech, Pub, Trips, Testing, and Classifieds are registered only. I left Problems open so if someone is having issues, they can still post to get help.