Google Message Security for Google Apps Administration Guide - Manual (Page 290)

290 Message Security for Google Apps Administration Guide
To run the MX Record Test by batch file:
See the testmx command in the “Commands” chapter of the Batch Reference
Guide for details on submitting the following command:
testmx
Successful Results for the MX Record Test
The following indicates a successful MX Record Test. Mail for the domain you
selected (in this case,
jumboinc.com ) is routing correctly to the message service.
jumboinc.com: MX records OK.
jumboinc.com IN MX 100 jumboinc.com.s1a1.psmtp.com
jumboinc.com IN MX 200 jumboinc.com.s1a2.psmtp.com
jumboinc.com IN MX 300 jumboinc.com.s1b1.psmtp.com
jumboinc.com IN MX 400 jumboinc.com.s1b2.psmtp.com
Error Messages and Next Steps
If the MX Record Test fails for the selected domain (in this case, jumboinc.com ),
emails may not be filtered or may even be bounced. You will see the results of the
test followed by relevant parts of your DNS MX entries as seen by the DNS
servers used by the message service:
For example:
testmx to jumboinc.com: No MX record found containing
's1a2.psmtp.com'
jumboinc.com IN MX 100 jumboinc.com.s1a1.psmtp.com
jumboinc.com IN MX 200 mail3.jumboinc.com
jumboinc.com IN MX 300 jumboinc.com.s1b1.psmtp.com
jumboinc.com IN MX 400 jumboinc.com.s1b2.psmtp.com
Name of the domain whose DNS
MX entries you wish to test