Planet Networking & Communication CS-2001 User Manual page 443

12.3.2 Deploying the CS-2001 Device between the Gateway
and Mail Server (Mail Server is in DMZ under Transparent
Mode)
Prerequisite Setup
LAN Segment: 172.16.x.x/16
Configure Port1 as WAN1(172.16.1.12) and connect it to the LAN.
Configure Port2 as DMZ1 (Transparent Routing mode) and connect it to the mail
server. (LAN IP 172.16.1.13 mapping to the WAN IP 61.11.11.11)
Map the registered domain name "supportplanet.com.tw" (used here as an example
only) to the mail server IP address by creating a MX record.
In order to relay emails to third party recipients, refer to the steps below to configure:
Step 1. Go to Mail Security > Configuration > Mail Domains and then set as
below: （Figure 12-36）
Figure 12-36 Configuring the Mail Domains
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