Question

What is the utility of SMTP and POP3​

Answer 1

Explanation:

To put it simply, SMTP (acronym for Simple Mail Transfer Protocol) handles the delivery, while POP (acronym for Post Office Protocol) takes care of the email retrieval and download. (Another very popular protocol that you can use in place of POP is IMAP – that is, Internet Message Access Protocol)...

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Answer 2

Explanation:

SMTP

SMTP is an abbreviation that stands for Simple Mail Transfer Protocol. This protocol allows applications to transmit email messages over the Internet. Basically, SMTP handles your outgoing mail. Your email application connects to your mail server via SMTP and sends the messages.

POP3

POP3 stands for Post Office Protocol revision 3. This protocol handles the receiving of email messages from your mail server. It is important to know that if you access your email account via POP3, once your messages are download to your local computer, they are removed from the server. This makes it impractical if you would like to read your email on more than one place/computer.