SPAMfighter is a small tool that you can easily install on your computer. Whenever new mail arrives, it will automatically be tested by the SPAMfighter server and if it’s spam, it will be moved to your spam folder.

Cloudmark is a company that stops spam before it costs you money. Cloudmark’s groundbreaking, peer-to-peer (P2P) solution (initially Vipul’s Razor) proven effective at fighting spam since 1998 and now called SpamNet, already delivers immediate spam relief to hundreds of thousands of people, processing more than 14 million email messages each day.