1)   Native POP3 Connector 2.4.1
Native POP3 Connector offers a standard solution for the problem with receiving mail through the POP3 protocol for Microsoft Exchange Server 2000/2003 and Small Business Server 2000/2003. NPC is a standard solution for MS Exchange Server: Connector.

 2)   MAPILab Rules for Exchange 2.1
Program for creating and managing Microsoft Exchange Server and Small Business Server 2000/2003 server rules for processing incoming messages.