Which protocol below does NOT pertain to e-mail?

A.
SMTP

B.
CHAP

C.
POP

D.
IMAP

Explanation:
The Challenge Handshake Authentication Protocol (CHAP) is used at the startup of a remote link to
verify the identity of a remote node. * The Simple Mail Transfer Protocol (RFCs 821 and 1869), is
used by a server to deliver e-mail over the Internet. * the Post Office Protocol (RFC 1939), enables
users to read their email by downloading it from a remote server on to their local computer. * the
Internet Message Access Protocol (RFC 2060), allows users to read their e-mail on a remote server,
without downloading the mail locally. Source: Handbook of Computer Crime Investigation Edited by
Eoghan Casey (Academic Press, 2002).