Abstract from the RFC text:
This document describes the optional AUTH command, for indicating an authentication mechanism to the server, performing an authentication protocol exchange, and optionally negotiating a protection mechanism for subsequent protocol interactions. The authentication and protection mechanisms used by the POP3 AUTH command are those used by IMAP4.
Notes: None
There are no errata for RFC 1734 (as of 2008-08-25).
Used in the following classes: