... enemies! (read email addresses from a database, write a for () loop, and away the emails go!)POP3POP3 is the oldest and most widely used. It was designed to support offline mail processing. ... access his mailPOP3 has limited support for reading mail online (and leaving the mail on the mail server)Simpler protocol than IMAP makes it easier to implement. More POP3 mail clients available ... server (using his email client program), he gets his emailPOP3, IMAP, MAPI -1Currently, the most popular protocols are POP3 (Post Office Protocol, version 3) IMAP (Internet Message...