International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
Email spam or junk e-mail (unwanted e-mail \"Usually of a commercial nature sent out in bulk\") is one of the major issue of the today's internet, that cause financial damage to companies and annoying individual users. Among the approaches developed to stop spam, filtering is an important and popular one. Common uses for mail filters include organizing incoming email and removal of spam and computer viruses. A less common use is to inspect outgoing email at some companies to ensure that employees comply with appropriate laws.