3Com 3CR3MFA-92, Installation Manual

Page: 27 / 176

Modify Internal Mail Server
27
EN
Modify Internal Mail
Server
Changes are required to your existing internal mail server(s) to route
outbound mail through the 3Com Email Firewall. You must configure
your internal mail servers to use the 3Com Email Firewall hostname or IP
address for SMTP delivery.
This procedure depends on the type of internal mail server you are using.
The following instructions are for a Microsoft
®
Exchange server.
Exchange 5.5 For Exchange 5.5 systems, use the following procedure:
1 Open Exchange Administrator.
2 Go to Organization -> Site -> Configuration -> Connections -> Internet
Mail Service Properties.
3 In the Connections tab, go to the Message Delivery section and in the
dialog box
Forward all messages to host
, enter the IP address of the
3Com Email Firewall.
Exchange 2000 For Exchange 2000 systems, use the following procedure:
1 Open Exchange System Manager.
2 Go to Servers -> Exchange server name -> Protocols -> SMTP -> Default
SMTP virtual server -> Properties -> Delivery -> Advanced.
3 In the Smart host dialog box, enter the FQDN, such as mail.example.com ,
or IP address of the 3Com Email Firewall in brackets, such as:
[192.168.1.253]