International Journal for Advance Research in Engineering and Technology (IJARET)
Electronic mail (E-mail) is an electronic message system that transmits messages across computer network. Electronic mail is the easiest and most efficient communication tool for disseminating both wanted and unwanted information. There are many efforts under way to stop the increase of spam that plague almost every user on the internet. Managing and deleting scam or unwanted messages pose negative effects to user's productivity. However, the attack of scam on business site also affects the customer. There is an increasing trend of integration of anti-spam techniques into mail transfer agent whereby the mail systems themselves also perform various measures that are generally referred to as filtering, ultimately resulting in spam messages being rejected before delivery or blocked.