Chapter 11 DDNS
USG20(W)-VPN Series User’s Guide
255
Mail Exchanger
This option is only available with a DynDNS account.
DynDNS can route e-mail for your domain name to a mail server (called a mail
exchanger). For example, DynDNS routes e-mail for
to
the host record specified as the mail exchanger.
If you are using this service, type the host record of your mail server here. Otherwise
leave the field blank.
See
www.dyndns.org
for more information about mail exchangers.
Backup Mail
Exchanger
This option is only available with a DynDNS account.
Select this check box if you are using DynDNS’s backup service for e-mail. With this
service, DynDNS holds onto your e-mail if your mail server is not available. Once your
mail server is available again, the DynDNS server delivers the mail to you. See
www.dyndns.org for more information about this service.
DYNDNS Server
This field displays when you select
User custom
from the
DDNS Type
field above.
Type the IP address of the server that will host the DDSN service.
URL
This field displays when you select
User custom
from the
DDNS Type
field above.
Type the URL that can be used to access the server that will host the DDSN service.
Additional DDNS
Options
This field displays when you select
User custom
from the
DDNS Type
field above.
These are the options supported at the time of writing:
•
dyndns_system to specify the DYNDNS Server type - for example,
•
ip_server_name which should be the URL to get the server’s public IP address - for
example, http://myip.easylife.tw/
OK
Click
OK
to save your changes back to the USG.
Cancel
Click
Cancel
to exit this screen without saving.
Table 103
Configuration > Network > DDNS > Add (continued)
LABEL
DESCRIPTION
Summary of Contents for ZyWall USG20-VPN
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