How to set up pop3 service in outlook server

This article introduces how to set up the pop3 service in the outlook server, the content is very detailed, interested friends can refer to, hope to be helpful to you.

In outlook's server settings, pop3 service refers to Post Office Protocol3, the third version of the post office protocol, which specifies how to connect a personal computer to Internet's mail server and the e-mail protocol for downloading e-mail.

This article operating environment: Windows7 system, Dell G3 computer.

POP3 is the abbreviation of Post Office Protocol 3, the third version of the Post Office Protocol, which specifies how to connect a personal computer to Internet's mail server and the electronic protocol for downloading email.

The email protocol of POP, which is suitable for the offline model of Cramp S structure, has been developed to the third edition, called POP3. The offline model cannot be operated online, and POP does not support extended operations on server mail, which requires a more advanced IMAP4 protocol. The POP protocol is supported to use ASCII codes to transmit data messages, which can be instructions or replies.

Extended data:

POP3 has three states: AUTHORIZATION (authorization), TRANSACTION (processing), and UPDATE (update).

When the TCP is established, the POP3 enters the authorized state and the customer needs to use USER/PASS for authentication. After verification, POP3 enters the "processing" state, and customers can send LIST,RETR and other commands to query and get mail. When the customer sends the "UPDATE" command in this state, the POP3 enters the "update" state, and the server returns to the "authorization" state after processing the command.

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