The emergence of unsolicited commercial electronic mail (UCE) also known as spam in 1978 has become a big global problem. What is being experienced now is that the numbers of unsolicited commercial electronic mails are increasing each year. With increasing number of spam e-mails, organizations and nations are making efforts to evolve strategies to manage the scourge. In this book Mkandawire Stein looks at designing a framework for eveluating the performance of anti-spam software tools with the major aim of mapping the anti-spam software functionalities to the e-mail acceptable use...