EWS Managed API

The Microsoft Exchange Web Services (EWS) Managed API 1.0 provides a managed interface for developing client applications that use Exchange Web Services.

Forefront Protection 2010 for Exchange Server

Microsoft Forefront Protection 2010 for Exchange Server (FPE) provides fast and effective protection against malware and spam by including multiple scanning engines from industry-leading security partners. It also integrates with Forefront Online Protection for Exchange to provide the defense-in-depth benefits of hosted and on-premise filtering in a single solution.