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HOW E-MAIL WORKS

How does e-mail work? How does regular mail (snail mail) work? We address the envelope, stick the mail inside of the envelope, stick postage on it, find a mailbox and put it in the mailbox.

The mailman picks the mail up from the mailbox, takes it to the main post office, where it is sorted and is then forwarded to the appropriate places, where another mailman, resorts it, and then delivers the mail.

E-mail messages are actually processed in the same manner, but it only takes seconds not days. A mail server replaces the mailman. The mail servers are connected to each other, and the e-mail message is forwarded to the mail server you use (when your receive a e-mail message) or is forwarded to the mail server by the e-mail address you put in your e-mail message.

You then connect to your e-mail mail server to receive your messages, just as those do to whom you send an e-mail message.

The standard protocol (rule) used for sending e-mail to mail servers is called SMTP, short for Simple Mail Transfer Protocol. It works in conjunction with POP servers. POP stands for Post Office Protocol, which is the protocol, (rule) used for receiving e-mail messages from mail servers.

At one time, you could only send just text e-mails . You couldn't send attachments (which we will cover later in today's lesson). With the advent of MIME, which stands for Multipurpose Internet Mail Extension, not only can you send e-mail messages, but you can also send photos, sound and video files.

Resources

See ResourceRecommendations. Feel free to add additional resources to these lists, but please follow the guidelines on ResourceRecommendations including ResourceRecommendations#Guidelines_for_Rating_Resources.

Contributors

  • () ValHaring - 15 Aug 2002
  • <If you edit this page: add your name here; move this to the next line; and include your comment marker (initials), if you have created one, in parenthesis before your WikiName.>

[[Main.ValHaring#15 Aug 2002][]]

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Topic revision: r3 - 2002-10-19 - ValHaring
 
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