ipop3d and APOP

From what I understand, APOP uses encryption to authenticate
pop users, yet I can not find any documentation on how to
implement it. I am running ipop3d as the deamon, and all it says
is that APOP support is already compiled into it.

Anybody care to give me a hand.

Mike
mgcon@getnet.com
http://www.getnet.com/~mgcon
Phoenix, AZ
USA