SMTP, POP3 and IMAP

8/14/2014 6:13:29 PM

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SMTP, POP3 and IMAP are TCP/IP protocols used for mail delivery. Email clients use POP3 and IMAP protocol to retrieve email from the server (incoming mail) over TCP/IP connection. Outgoing mail for both POP and IMAP clients uses the SMTP. Main difference between POP3 and IMAP is, POP3 – Downloads email locally IMAP – Mail is stored on the mail server


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