Microsoft Exchange Server provides a reliable messaging system, with built-in protection against spam and viruses. Using Exchange, users throughout your organization can access e-mail, voice mail, calendars, and contacts, from a wide variety of devices and from any location.

Forefront Unified Access Gateway (UAG) provides end users with secure remote access to the following Exchange mail services:

With the release of Forefront UAG Service Pack 1, Exchange mail services that you publish through Forefront UAG can be protected by Information Rights Management (IRM) using Active Directory Rights Management Services (AD RMS). IRM can be used to protect e-mail messages and attachments. For information, see Understanding Information Rights Management