manual

16  Installation for Microsoft Exchange 2003 Getting Started Guide
version and a new fully purchased license key for the GFI
MailEssentials 2010 is required. For more information on new
license keys, refer to: http://customers.gfi.com.
 You cannot change the installation path during GFI MailEssentials
upgrades.
 When upgrading from GFI MailEssentials 9, the current Bayesian
weights file will be upgraded to the new format used in GFI
MailEssentials 10 or later. The new format is more compact and
uses less memory. NO DATA WILL BE LOST.
Upgrade procedure
1. Launch GFI MailEssentials installation on the server where your
earlier version of GFI MailEssentials is installed.
Screenshot 9 - Confirm the upgrade
2. Click Yes to start the upgrade process and follow on-screen
instructions. For assistance refer to New installations section below.
3.5.2 New installations
Important notes
1. During installation, GFI MailEssentials restarts Microsoft Exchange
Server services. This is required to allow GFI MailEssentials
components to be registered and started.
2. Before starting installation, close any running Windows applications.
3. When installing GFI MailEssentials on a DMZ, we recommend you
use LDAP lookups to get the list of email users (required for user-
based configuration/rules e.g. disclaimers) from your SMTP server.
The AD of a DMZ usually will NOT include all the network users (email
recipients).
Pre-install actions
GFI MailEssentials uses the IIS SMTP service as its SMTP Server
and therefore the IIS SMTP service must be configured to act as a
mail relay server. This is achieved as follows: