For those of you having problems with Spam, I ran across an article by Mitchel Sellers that deals with "Request Filters" in the DNN settings. This could be a good solution to those who do not have PageBlaster or another way to block IP addresses.
Happy reading:
http://www.mitchelsellers.com/blogs...ilter.aspx Nice to know that all this time, DNN actually had a built in solution that has been a bit overlooked..........