I also used to make a whole bunch of spamming post comments myself and I never got the "Canned" title...
POST EDIT: Just wanted to edit this post to test out my new signature...
I could never figure that part out. The room always seems dark all the time and I can't get past the north section myself. I stopped playing the game when I couldn't figure it out...
Do the boards have flood protection so it would prevent you from making too many posts at one time? It's supposed to have a 60 second delay before double-posting...