Electronic Mail

• Provides a means to send electronic messages from one person to another

• Same architecture - client, server, and protocol

  • The client is the email program the user utilizes (pine, elm, on Unix - Eudora, Outlook Express, Netscape Mail, GroupWise etc. on some PCs/Macs or LANs
  • The server is the software that listens for incoming mail and deposits it in the user mailbox
  • The protocol is the language the client uses to talk to the server. In the case of Internet for sending mail the protocol is SMTP - Simple Mail Transport Protocol.

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