Publishing Exchange 2003 Outlook Web Access (OWA) with ISA Server 2000
ISA Server 2000 is the firewall of choice when publishing Exchange 2000 and Exchange 2003 services. If you are running, or plan to run, Exchange 2000 or 2003 services and want to make those services available to external network users, then it behooves you replace any existing firewall setup you current have in place and use an ISA Server 2000-based firewall offering. Check out this series on OWA 2003 publishing to get off to a good start.