Chapter 24 System
USG FLEX H Series User’s Guide
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Figure 224 System > DNS & DDNS > DNS > CNAME Record > Add
The following table describes the labels in this screen.
24.4.7 MX Record
A MX (Mail eXchange) record indicates which host is responsible for the mail for a particular domain,
that is, controls where mail is sent for that domain. If you do not configure proper MX records for your
domain or other domain, external email from other mail servers will not be able to be delivered to your
mail server and vice versa. Each host or domain can have only one MX record, that is, one domain is
mapping to one host.
24.4.8 Adding a MX Record
Click the Add icon in the MX Record table to add a MX record.
Figure 225 System > DNS & DDNS > DNS > MX Record Add
Table 181 System > DNS & DDNS > DNS > CNAME Record > Add
LABEL DESCRIPTION
Hostname Enter the hostname of a server.
Domain Type a Fully-Qualified Domain Name (FQDN) of a server. An FQDN starts with a host
name and continues all the way up to the top-level domain name. For example,
www.zyxel.com.tw is a fully qualified domain name, where “www” is the host, “zyxel”
is the third-level domain, “com” is the second-level domain, and “tw” is the top level
domain. Underscores are not allowed.
Use "*." as a prefix in the FQDN for a wildcard domain name (for example,
*.example.com).
Alias name Enter an Alias Name. Use "*." as a prefix in the Alias name for a wildcard domain
name (for example, *.example.com).
Save changes Click the Save changes icon to save your customized settings and exit this screen.
Cancel changes Click the Cancel changes icon to exit this screen without saving.
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