PLANET CS-2000 - Manual (Page 311)

CS-2000 UTM Content Security Gateway User’s Manual
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Example 2
To put the CS-2000 between the Company’s original gateway and mail server. (To set the mail
server in DMZ, and use the Transparent mode.)
The Deployment
The Company’s original Gateway is 172.1.1.0/16 (LAN segment)
WAN IP is 61.11.11.11
CS-2000’s WAN1 IP is 172.16.1.12
Mail Server IP is 172.16.1.13
The DNS domain name ( test.com ) applied from the ISP , which correspond to the DNS server IP （To set the
MX record correspond to the mail server IP ）.
When the LAN（172.16.1.0/16）user want to 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：