Please answer this question. Q) What are SMTP, POP3, and IMAP?
Answers
Answer:
SMTP: Simple Mail Transfer Protocol ( is the standard protocol for sending emails across the Internet. By default, the SMTP protocol works on three ports: Port 25 - this is the default SMTP non-encrypted port.
POP3: Post Office Protocol version 3 is a standard mail protocol used to receive emails from a remote server to a local email client. POP3 allows you to download email messages on your local computer and read them even when you are offline.
IMAP: The Internet Message Access Protocol is a mail protocol used for accessing email on a remote web server from a local client. IMAP and POP3 are the two most commonly used Internet mail protocols for retrieving emails. Both protocols are supported by all modern email clients and web servers.