PLANET CS-2000 - Manual (Page 313)

CS-2000 UTM Content Security Gateway User’s Manual
- 307 -
Example 3
The headquarter company use CS-2000 to be the gateway (To set the mail server in DMZ, and
use Transparent mode), in order to let the employees can send mails through the mail server.
The Deployment
CS-2000’s WAN1 IP is 61.11.11.11
Mail Server IP is 61.11.11.12
Branch office firewall WAN IP is 211.22.22.22
The DNS domain name ( test.com ) applied from the ISP , correspond to the DNS server IP （To set the MX
record correspond to the mail server IP ）.
When the branch office user use the sender account to send mails to external recipient account on external
mail server via the test.com mail server, add the following mail relay settings：