User`s manual

Content Security Gateway User’s Manual
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STEP 2﹒Add the second setting in Mail Relay function of Configure:
 Select Allowed External IP of Mail Relay
 IP Address: Enter the IP Address of external sender
 Enter the Netmask
 Complete Mail Relay setting
Example 3: The Headquarters setup CS-500 as Gateway (Mail Server in DMZ, Transparent Mode) to
make the Branch office’s employees can send mails via Headquarters’ Mail Server
Preparation:
WAN Port IP of CS-500: 61.11.11.11
Mail Server IP: 61.11.11.12
WAN Port IP of the Branch office’s Firewall: 211.22.22.22
Map the DNS Domain Name (planet.com.tw) to DNS Server IP (setup MX record is Mail Server IP)
When the branch office’s users send mail to the external mail server’s recipient account from mail server’s
sender account of planet.com.tw, add the following Mail Relay setting: