Pretty Good Privacy: An e-mail Security Protocol

Abstract

Security has been an issue in mail from ancient times. Security is still important today.E-mail is as fast and casual as a voice phone call, but can be save and retrieved withinfinitely greater efficiency than paper letters or taped conversations. Security in maildeals first with reliable delivery to the addressee. Security, that is confidential, reliableand known delivery is essential to the success of e-mail. In other words people will notuse a mail system that they cannot trust to deliver their messages. This paper describes the basic approaches for e-mail security and discusses the advanced email security mechanism i.e. Pretty Good Privacy (PGP)