PLANET CS-1000 - Manual (Page 181)

Multi-Homing Security Gateway User’s Manual
Mail Relay: After scanning the mails that sent to Internal Mail Server by Anti-Spam and Anti-Virus function
of CS-1000, then to setup the relevant setting in Mail Relay function. For the examples below you can
understand more about how to configure your setting.
Example 1: To setup CS-1000 as Gateway (Mail Server in DMZ, Transparent Mode)
Preparation:
WAN Port IP: 61.11.11.11
Mail Server IP: 61.11.11.12
Map the DNS Domain Name that apply from ISP (planet.com.tw) to DNS Server IP (setup MX record is Mail
Server IP)
When external sender sends mail to the recipient account of the planet.com.tw domain, add the following Mail
Relay setting:
STEP 1 Add the following 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.
Mail Relay setting is complete. The external mails send to planet.com.tw that will be received by
CS-1000 and redirect to the mail server after filtering.
Example 2: To setup CS-1000 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-1000’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)
- 175 -