Ipswitch Instant Messenger 1.01
This is a secure instant messaging client and server.
It includes 168-bit 3DES encryption, message logging, archiving and retention options. It also has a centrally managed global contact list and access controls. You can leverage existing databases by using an IMail Server, Windows NT, 2000, XP or the internal database for user authentication. The instant messaging server can be run on Windows NT, 2000, XP and the client is compatible with 95, 98, ME, NT4, 2000 and XP.