What are SMTP, POP3 and IMAP? - hMailServer - Free open source email server for Microsoft Wind

Main | Before installation | What are SMTP, POP3 and IMAP? Overview SMTP, POP3 and IMAP are TCP/IP protocols used for mail delivery. If you plan to set up an email server such as hMailServer, you must know what they are used for. Each protocol is just a .

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