ICT Academy of Tamil Nadu
E-mail is one of the most popular and frequently used ways of communication due to its worldwide accessibility, relatively fast message transfer, and low sending cost. The flaws in the e-mail protocols and the increasing amount of electronic business and financial transactions directly contribute to the increase in e-mail-based threats. E-mail spam is one of the major problems of the today's Internet, bringing financial damage to companies and annoying individual users. Spam e-mails are invading users without their consent and filling their mail boxes.