Electronic mail (email) has evolved into the most powerful means of communication for most of us today. Email is the term given to an electronic mail or message, usually a simple text message that a user types on a computer system for delivery to another user on a local or a remote computer. This message is then transmitted over a network to the user for whom it is intended.

As the Internet has become available to more and more people, the email facilities available to users have evolved from proprietary mail systems to the current trend of intranets. Proprietary mail systems used to be available to users within a company's network. With the evolution of the Internet, mail systems were able to connect to the Internet for transferring messages ...

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