http://www.cgoosen.com/2010/05/securing-exchange-2010-with-forefront-threat-management-gateway-tmg-2010-part-1-the-introduction/

http://www.cgoosen.com/2010/05/securing-exchange-2010-with-forefront-threat-management-gateway-tmg-2010-part-2-installing-exchange-server-edge/

http://www.cgoosen.com/2010/05/securing-exchange-2010-with-forefront-threat-management-gateway-tmg-2010-part-3-installing-forefront-protection-for-exchange-server/

http://www.cgoosen.com/2010/05/securing-exchange-2010-with-forefront-threat-management-gateway-tmg-2010-part-4-installing-forefront-threat-management-gateway/

http://www.cgoosen.com/2010/06/securing-exchange-2010-with-forefront-threat-management-gateway-tmg-2010-part-5-putting-it-all-together/

http://www.cgoosen.com/2010/06/securing-exchange-2010-with-forefront-threat-management-gateway-tmg-2010-part-6-publishing-outlook-web-app/