XWALLFilter is a no-brainer if you own XWall. The combined solution of XWall and XWALLFilter is the best value for a spam-filtering solution and rivals the best for filtering performance. XWALLFilter support is also top-notch, incomparable to the support most companies provide. -- JJ Brantingham, IT Director Sebesta Blomberg
Articles: AntiSpam Technologies
One of the most successful spam filtering techniques created in recent history in my opinion is Greylisting ...