What are the 3 common mail protocols?

Email Protocols There are three common protocols used to deliver email over the Internet: the Simple Mail Transfer Protocol (SMTP), the Post Office Protocol (POP), and the Internet Message Access Protocol (IMAP).

What does Post Office Protocol do?

The post office protocol (POP) is the most commonly used message request protocol in the Internet world for transferring messages from an e-mail server to an e-mail client. With POP3, the e-mail client requests new messages from the e-mail server, and the server “pops” all new messages out to the client.

What is IMAP protocol used for?

Internet Message Access Protocol (IMAP) is a protocol for accessing email or bulletin board messages from a (possibly shared) mail server or service. IMAP allows a client e-mail program to access remote message stores as if they were local.

How does POP3 work?

POP3 stands for Post Office Protocol. As the name suggests, it allows you to use your email inbox like a post office – emails are downloaded onto your computer and removed from the mail server. When accessing your emails using the POP3 protocol, a copy of the emails is created and stored locally on your computer.

Why is POP3 important?

Advantages and Disadvantages of POP It thus has the following pros: Mail is stored locally, so it’s always accessible even without an internet connection. An internet connection is needed only for sending and receiving mail. It saves server storage space, since old messages are deleted from the server automatically.

How IMAP works step by step?

IMAP: The Basics As its name implies, IMAP allows you to access your email messages wherever you are; much of the time, it is accessed via the Internet. Basically, email messages are stored on servers. Whenever you check your inbox, your email client contacts the server to connect you with your messages.