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9: Using Email
XPort AR User Guide 129
Priority Levels
The default priority level for the XPort AR’s emails is Normal priority. The XPort AR
has 5 configurable priority levels; certain recipient systems have filters based on
these priority levels.
Configurable priority levels are:
Priority XPriority Level
Urgent 1
High 2
Normal (default) 3
Low 4
Very Low 5
Some email programs may translate an Urgent priority to High, and Very Low priority
to Low.
The XPort AR makes an SMTP connection to a destination server. By default, it
connect to the destination’s port 25. Override this port number by using the Server
Port command.
DNS Records
Domain Name Service (DNS) translates text-based domain names to the numeric IP
addresses necessary for locating the domain's server on the Internet. Many DNS
servers have multiple records per domain. To resolve these addresses, the XPort
AR’s DNS server listing looks for MX records first. MX is the Mail Exchange Record;
it is an entry in the domain name table identifying the mail server responsible for
managing emails for that domain name.
If the MX record is not available, then the DNS server uses the default record. If it
cannot find the default record, it will not send the email.
Extended Hello
When the XPort AR makes a connection to the recipient’s SMTP server, it send an
EHLO message. This message contains the XPort AR’s domain.
Use the Overriding Domain command to change the domain provided in the
EHLO message.
For a more information EHLO, see RFC 2821.
Email Statistics
Use the “Show Statistics” command to display the XPort AR’s email statistics.