E-mail spam new name of irritation and congestion in IT centaury. It is also known as junk e-mail, which kind of spam that includes nearly identical messages commercial in nature and is sent to various recipients by e-mail. Spam is commonly as unsolicited bulk e-mail (UBE). Description of spam usually includes the aspects that email is unsolicited and sent in bulk “UCE” refers specifically to unsolicited commercial e-mail. E-mail spam has exponential growth in last two decades to several billion messages a day. Spam has frustrated, confused, and annoyed e-mail users. The total quantity of spam has leveled off slightly in recent years, and is no longer growing exponentially. Receiving spam is a common complaint of many Internet users. In fact, spam email has become a troublesome problem as individuals spreading spam email find easier ways to invade users’ email accounts, leading to the necessity of such tools as spam filters and spam blocker features. Spam is a term that refers to the unsolicited e-mails sent to a large number of e-mail users. The number of such e-mails is increasing day by day, as most companies now prefer to use e-mails for promoting their products. Because of these unsolicited e-mails, legitimate e-mails take a much longer time to deliver to their destination. The attachments sent through spam may also contain viruses. However, spam can be stopped by implementing spam filters on servers and e-mail clients.