“Microsoft Forefront TMG brings a new capability that allows firewall administrators to manage and deploy SMTP Policies from a single location using TMG Console. This solution is leveraging two other products to offer a great SMTP experience while maintain security throughout the SMTP traffic, which are: Microsoft Exchange Edge Transport and Microsoft Forefront Security for Exchange.
To take advantage of this feature you will need to install both Microsoft Exchange Edge Transport role and Forefront Security Server for Exchange in all TMG Servers (in case you have an array) either before or after TMG installation.
The purpose of this article is to clarify TMG underlying component hierarchy of Email protection, how the solution works underneath the hood and provide some Q&As to common scenarios…”
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Thomas W Shinder, M.D., MCSE
Sr. Consultant / Technical Writer