COMPUTER NETWORKING

Detailed explanation-1: -Post Office Protocol 3, or POP3, is the most commonly used protocol for receiving email over the internet. This standard protocol, which most email servers and their clients support, is used to receive emails from a remote server and send to a local client.

Detailed explanation-2: -POP. Post Office Protocol is a widely used e-mail application protocol that can be used to retrieve e-mail from an e-mail server for the client application, such as Microsoft Outlook. The current version of POP is POP3.

Detailed explanation-3: -SMTP sends the email from the sender’s device to the receiver’s mailbox, and POP3 retrieves and organizes emails from the receiver’s mail server to the receiver’s computer. SMTP functions between the sender’s and receiver’s mail servers, and POP3 functions between the receiver and the receiver’s mail server.