[PERDITION-USERS] how install & config perdition

Dear colleagues, I am new comer for Perdition. I will uses Perdition as POP3 gateway for 9 POP3 servers. Could you assist me how to config it? 1. there 9 POP3 servers, each server uses subdomain. example: serverA.subA.domain.com, serverB.subB.domain.com and so on 2. i will config perdition able to forward any user login to correct server based on login name. example: logon userA(a)subA.domain.com will redirect to serverA.subA.domain.com, and userB(a)subB.domain.com will redirect to serverB.subB.domain.com and so on. Could you please help some clue how to setup perdition. Thank you very much for your help