Comparing SpamAssassin with CBDF email filtering

Abstract

In this paper, we compare the email filtering software SpamAssassin with a statistical email filter, known as chi by degrees of freedom. We examine SpamAssassin?s filtering techniques and ascertain their effectiveness. By comparing the two filtering methods, we will show that a rule based filter such as SpamAssassin is in fact the wrong approach for something as inconstant as unsolicited bulk email.