Content Security Gateway User’s Manual

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 to.

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