3Com 3CR3MFA-92, Installation Manual

Page: 11 / 176

Using the Configuration Worksheet
11
EN
Using the
Configuration
Worksheet
Your documentation package includes a Configuration Worksheet that
you will need to complete before continuing with the installation. The
worksheet is used to document your current network environment and
provide a list of your proposed changes when integrating the 3Com Email
Firewall into your network.
Network Modifications Before proceeding with the installation, the following information about
your environment needs to be gathered:
■
Document current network settings
■
Determine which ports or proxies need to be configured on the
Firewall or Router
■
Identify changes required to the internal mail servers to route
outbound mail to the 3Com Email Firewall.
Network and Mail
Configuration Settings
When installing the 3Com Email Firewall for the first time, you will need
to have the following information on hand. Use the included
Configuration Worksheet to record these items.
■
Hostname — The Hostname assigned to the 3Com Email Firewall,
such as
mail
in
mail.example.com
.
■
Domain — The Domain Name associated with the assigned
Hostname. This is typically the domain that email is being processed
for, such as
example.com
.
■
IP Address — Enter the IP address you will be using for this 3Com
Email Firewall. The default is 192.168.1.253 and you can use this
address if it does not conflict with any other internal systems.
■
Net Mask — Enter the appropriate net mask for your network. If your
IP address is 192.168.1.253, then the net mask will be
255.255.255.0.
■
Gateway — Enter the default gateway for this 3Com Email Firewall.
This is typically the hostname or IP address of your router.
■
Name Server — The IP address or hostname of your network’s DNS
server.
■
Internal Mail Server Address — The FQDN (Fully Qualified Domain
Name) or IP address of the internal Mail Server, such as
exchange.example.com
.