I have Win2003 server and Exchange 2003 server.
When I want to block specific users from receiving outside email, I go into AD and select the Exchange General tab, then Delivery Restricions, then under Message restrictions I check the box labled 'From Authenticated users only'.
This does in fact stop them from receiving outside email, but is there a way to keep them from sending any mail outside of our domain?
We don't have any proxy servers, or ISA yet, so I am looking for any possibilities with our current configuration.
Free Guide: Managing storage for virtual environments
Complete a brief survey to get a complimentary 70-page whitepaper featuring the best methods and solutions for your virtual environment, as well as hypervisor-specific management advice from TechTarget experts. Don’t miss out on this exclusive content!