What protocols pertaining to email are invoked between a cli

What protocols pertaining to e-mail are invoked between a client sending an e-mail to a sending server, a sending server communicating to the receiving server, and the client retrieving the mail from the receiving server?

Solution

below is the list of protocols pertaining to emails:

IMAP (Internet Message Access Protocol) :mainly helpful in accessing the mails from local servers

POP (Post Office Protocol 3):inorder to gain access to the mailboxes in the email

SMTP (Simple Mail Transfer Protocol):

HTTP protocol