User`s manual

Content Security Gateway User’s Manual
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Mail Relay setting is complete. The external mails send to planet.com.tw that will be received by
CS-500 and redirect to the mail server after filtering.
Example 2: To setup CS-500 between the original Gateway and Mail Server (Mail Server in DMZ,
Transparent Mode)
Preparation:
The Original Gateway’s LAN Subnet: 172.16.1.0/16
WAN Port IP: 61.11.11.11
CS-500’s WAN Port IP: 172.16.1.12
Mail Server IP: 172.16.1.13
Map the DNS Domain Name (planet.com.tw) to DNS Server IP (setup MX record is Mail Server IP)
When LAN (172.16.1.0/16) users send mail from the sender account of planet.com.tw mail server to the
recipient account in external mail server, the configuration should need to add the following mail relay setting:
STEP 1﹒Add the first setting in Mail Relay function of Configure:
 Select Domain Name of Internal Mail Server
 Domain Name of Mail Server: Enter the Domain Name
 IP Address of Mail Server: Enter the IP address that Mail Server’s domain name mapped
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