International Journal of Computer Science and Information Technologies
E-mail is an essential communication tool that has been greatly abused by spam sender to disseminate unwanted information (messages) and spread malicious contents to internet users. Current internet technologies accelerated the distribution of spam. Effective controls need to be deployed to countermeasure the ever growing spam problem. Spam filters provide better protective mechanisms that are able to control spam. This paper summarizes most common techniques used for anti-spam filtering by analyzing the e-mail content and also looks into IP's adopted to detect and control spam.