What is POP?

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POP
POP Graphical Illustration

What is POP?

POP stands for Post Office Protocol is an application-layer Internet protocol. The protocol used to extract and retrieve email from the mail server. Here you will see, what are Post office Protocol(pop) and its purpose.

Purpose of POP:

POP is the primary protocol for the mail communication and works through a supporting email software client. It connects the POP to the remote mail server and downloads the email messages to the recipient’s machine. Most of the email applications use POP protocol and some uses the newer IMAP (Internet Message Access Protocol).

POP uses TCP/IP protocol stack for network connection. It works with SMTP (Simple Mail Transfer Protocol) for email communication in client/server architecture.

Types Of POP version:

There are two versions of POP – POP2 and POP3.

POP2 was an early standard protocol for receive emails. Protocol requires SMTP to send emails.

POP3 is the latest standard protocol used to send and receive emails and it can be used with or without SMTP.

Related Links:

POP | Create Email account using SSH | cPanel E-mail protocol

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