manual

Getting Started Guide Installation for SMTP Servers  85
o 'http://db11.spamcatcher.net' (GFI MailEssentials 14 or
earlier)
o 'http://sn92.mailshell.net' (GFI MailEssentials 14 SR1 or later)
 Remoting (Ports 8021) - Used in the latest builds of GFI
MailEssentials for inter-process communication. No firewall
configuration is required to allow connections to or from the
remoting ports since all the GFI MailEssentials processes run on
the same server.
NOTE: Ensure that no other applications (except GFI
MailEssentials) are listening on port 8021.
 LDAP (Port 389) - Used by GFI MailEssentials to get email
addresses from SMTP server.
6.4 Installing on gateway servers for SMTP Servers
6.4.1 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:
Step 1: Enable IIS SMTP Service
Windows Server 2003
1. Go to Start ► Control Panel ► Add or Remove Programs ►
Add/Remove Windows Components.
2. Select Internet Information Services (IIS) and click Details.
3. Select the SMTP Service option and click OK.
4. Click Next to finalize your configuration.
Windows Server 2008
1. Launch the Windows Server Manager.
2. Navigate to the Features node and select Add Features.
3. From the Add Features Wizard select SMTP Server checkbox.
NOTE: The SMTP Server feature might require the installation of
additional role services and features. Click Add Required Role
Services to proceed with installation.
4. In the following screens click Next to configure any required role
services and features, and click Install to start the installation.
5. Click Close to finalize the configuration.
Step 2: Create SMTP domain(s) for email relaying
1. Go to Start ► Control Panel ► Administrative Tools.
2. Click on Internet Information Services (IIS) 6.0 Manager.