Communication has really evolved through the years. Gone are the days when we had to wait for such a long time to get important letters from people really far away.

You may have heard of the word spam or may have even received e-mail spam already but you may not really know what it really is. Spam is any kind of junk mail, and unsolicited bulk mail and commercial content.

As if the ever increasing intensity of spam was not enough to shatter the confidence of email users, the dangers of computer virus through unsolicited messages is making things worse. The first national standard was set against all bulk emails which belonged to the commercial category and were unsolicited, when President Bush signed the Can Spam bill in December 2003.

Spam today has made many internet users rethink about the usability of emails as a mode of communication so even the spread of computer virus is a matter of great concern. With the signing of the Can Spam bill by President Bush in December 2003, the first standard was set against bulk unsolicited email which are of commercial in nature.