The main difference between IMAP and POP3 is that with IMAP, the client software will download all unread emails to the computer, and the mail server will delete the emails. Using POP3, users can…

The main difference between IMAP and POP3 is that with IMAP, the client software will download all unread emails to the computer, and the mail server will delete the emails. Using POP3, users can directly operate emails on the server without having to download all emails locally and then perform various operations.