The POP3 front end is composed of two pieces: an authentication front end and a transfer back-end.
Usage: pop3front-auth CVM PROGRAM [ ARGS ... ]
pop3front-auth authenticates the username and password sent by the client using the named CVM. If successful, it sets up the environment and executes PROGRAM. It also offers RFC 1734 complient AUTH support through cvm-sasl.
Usage: pop3front-maildir [ DEFAULT-MAILDIR ]
pop3front-maildir serves messages via POP3 out of a maildir. If $MAILBOX is set, its contents are used as the path to the mailbox, otherwise the DEFAULT-MAILDIR argument must be present.