This is the Scenario:
Windows 2000 SP4
Checkpoint Firewall One NG FP3
Domain Controller and Mail server:
Windows 2000 Server SP4.
MS Exchange 2000 SP3.
Create a secure rule so i be able to:
Join to the domain.
Configure outlook and have conectivity with the exchange server.
Login to the domain.
Use the server as a File and Print server.