Barracuda Networks announced <A HREF="http://www.securitypark.co.uk/article.asp?articleid=24197&CategoryID=1">the immediate deployment</A> of firmware version 3.3 for the entire Barracuda Spam Firewall line. Firmware 3.3 includes new plug-ins for Microsoft Outlook and Lotus Notes that increase Bayesian analysis accuracy by enabling users to designate spam from legitimate email, as well as automatically build whitelists based on previous emails sent by each user.