Barracuda has announced it is opening up its spam blocking list for companies to use for free.The Barracuda Reputation Block List (BRBL) is a dynamically updated list of known spam servers that can be used to block spam at the gateway and so avoid having to run all incoming emails though antivirus scanners and other filtering technologies.
http://www.vnunet.com/vnunet/news/2226879/barracuda-opens-spam-blocking
