how to configure pop3 auth

hi,

I am using hosted mail server. I wish to integrate openfire for mail server users. thus most suitable option is to use pop3 auth.

referring http://www.igniterealtime.org/builds/openfire/docs/latest/documentation/javadoc/ org/jivesoftware/openfire/auth/POP3AuthProvider.html

I have changed provider.auth.className & provider.user.className using openfire admin. Also have entered valid pop3.host, pop3.domain, pop3.authRequiresDomain.

after making above changes I am unable to login users using pop3 accounts. also admin login does not work.

kindly guide me to configure pop3 auth.