Native POP3 Connector is a software solution for receiving mail via POP3 protocol in MS Exchange Server 2000/2003 and Small Business Server 2000/2003. It provides a standard solution that is easy to use for Exchange Server users.

Enter the Native POP3 Connector (NPC), a standard solution that offers functionality for the POP3 protocol to Microsoft Exchange Server 2000/2003 and Small Business Server 2000/2003. Installing NPC is simple and requires an administrator to install a new type into the Connectors Exchange System Manager group. Once installed, all administration procedures are carried out in a way that is standard for Microsoft Exchange 2000/2003.
The benefits of using NPC include integration with Microsoft Exchange Server 2000/2003, support for a large number of mailboxes, multi-threaded processing support, a flexible schedule of POP3-mailbox querying, integration into Active Directory, audit through Event Log, and more. With NPC, the user can enjoy a seamless experience while maintaining the convenience of the POP3 protocol.
In conclusion, if you are experiencing any issues with receiving mail through the POP3 protocol with Microsoft Exchange Server 2000/2003, then the Native POP3 Connector is the solution for you. The product homepage has more information and resources to help you get started.
Version 2.6.0: OpenSSL has been updated to 1.0.1g to avoid Heartbleed security bug.