Billion Electric Company BiGuard 50G - Manual (Page 105)

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MX Record
Mail Exchanger: The name of the mail server.
IP Address: The mail server IP address.
Click Apply to save your changes.
To edit the Host Mapping URL list, click Edit. This will open the Host Mapping URL
table, which lists the current Host Mapping URLs.
To add a host mapping URL to the list, click Create.
Domain Name: The domain name of the local host.
Host URL: The URL address to be mapped.
Private IP Address: The IP address of the local host.
Helper: You could also select the application type you would like to apply for
automatic input.
Port Range: The port range of all incoming packets are accepted and processed by
a local host with the specified private IP address.
Candidates: You can also select the Candidates which are referred from the ARP
table for automatic input.