The Internet is a global system of interconnected computer networks to serve billions of users worldwide. As of 2012, more than 2.1 billion people - nearly a third of Earth's population use the services of the Internet. Using internet e-mail communication has come up as the most effective and popular way of communication today. Being widely used, increase of email users have resulted in the dramatic increase of spam e-mails during the past few years. Spam e-mail is junk or unwanted bulk email or commercial email for recipients.