manual

58 Installation for Microsoft Exchange 2007 & 2010 Getting Started Guide
4. Select whether to check for newer versions/builds of GFI
MailEssentials and click Next.
5. Read licensing agreement. To proceed with the installation select I
accept the license agreement and click Next.
6. Click Next to install in default location or click Browse to change
path.
7. Specify user details and enter license key. Click Next to continue.
8. Specify the email address where notifications (e.g. failed anti spam
filters, spam digests) are sent.
Screenshot 50 - Selecting SMTP mode or Active Directory mode
9. Specify whether GFI MailEssentials will get the list of email users
(required for user-based configuration/rules e.g. disclaimers) from
Active Directory or SMTP server. Click Next to continue.