International Journal of Computer Science and Information Technologies
The growth of Spam over the years suggests that Spam is no longer simply a threat but a large scale network problem today. The battle between spammers and anti-spamming techniques has been going on for many years. Many anti-spam techniques are currently employed to filter spam emails, however spam is still able to attack many email users. This paper provides an overview of available spam filtering approaches and their drawbacks. The authors also describe the common spammers' tricks that spammers use to bypass the currently available spam filters.