Planet Networking & Communication CS-2001 User Manual page 225

Step 4. Go to Policy Object > Service > Group, and create a group called
Main_Service containing all of the server's services e.g. DNS, FTP, HTTP,
POP3, SMTP, etc. Create another group called Mail_Service comprising the
services for enabling the server to send emails.
Step 5. Under Policy > Incoming, set as below:

Select the defined mapped IP for Destination IP.

Select Mail_Service for Service.

Click OK.
Figure 10-3 Group Settings
（Figure 10-5）
Figure 10-4 Configuring the Incoming Policy
Figure 10-5 The Completed Policy Settings
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（Figure 10-3）
(Figure 10-4)