COMPUTER NETWORKING

Detailed explanation-1: -SMTP is a push protocol, while POP3 is known as a pop protocol. 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.

Detailed explanation-2: -The common protocols for email delivery are Post Office Protocol (POP), Internet Message Access Protocol (IMAP), and Simple Mail Transfer Protocol (SMTP). Each of these protocols has a standard methodology to deal with the emails and also has defined functions.

Detailed explanation-3: -SMTP (Simple Mail Transfer Protocol) is a TCP/IP protocol used in sending and receiving email. SMTP is used most commonly by email clients, including Gmail, Outlook, Apple Mail and Yahoo Mail. SMTP can send and receive email, but email clients typically use a program with SMTP for sending email.

Detailed explanation-4: -The Post Office Protocol (POP3) is an Internet standard protocol used by local email software clients to retrieve emails from a remote mail server over a TCP/IP connection.