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A BRIEF DESCRIPTION OF IMAP POP3 and SMTP

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TomH309
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A BRIEF DESCRIPTION OF IMAP POP3 and SMTP

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IMAP (Internet Message Access Protocol) definition

IMAP (Internet Message Access Protocol) is a standard protocol for accessing e-mailfrom your local server. IMAP (the latest version is IMAP Version 4) is a client/serverprotocol in which e-mail is received and held for you by your Internet server. You (or your e-mail client) can view just the heading and the sender of the letter and then decide whether to download the mail. You can also create and manipulate multiple folders or mailboxes on the server, delete messages, or search for certain parts or an entire note. IMAP requires continual access to the server during the time that you are working with your mail.

A less sophisticated protocol is Post Office Protocol 3 (POP3). With POP3, your mail is saved for you in a single mailbox on the server. When you read your mail, all of it is immediately downloaded to your computer and, except when previously arranged, no longer maintained on the server.

IMAP can be thought of as a remote file server. POP3 can be thought of as a "store-and-forward" service.

POP3 and IMAP deal with the receiving of e-mail from your local server and are not to be confused with Simple Mail Transfer Protocol (SMTP), a protocol used for exchanging e-mail between points on the Internet. Typically, SMTP is used for sending only and POP3 or IMAP are used to read e-mail.

POP3 (Post Office Protocol 3) is the most recent version of a standard protocol for receiving e-mail. POP3 is a client/server protocol in which e-mail is received and held for you by your Internet server. Periodically, you (or your client e-mail receiver) check your mail-box on the server and download any mail, probably using POP3. This standard protocol is built into most popular e-mail products, such as Eudora and Outlook Express. It's also built into the Netscape and Microsoft Internet Explorer browsers.

 

Tom
QIP 7100 1,YAMAHA ATS 1080,QIP 7216 P2, iPad 2 WiFi,iPhone SE
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