Reporting-MTA: dns; a8-87.smtp-out.amazonses.com

Action: failed
Final-Recipient: rfc822; xxxx@xxxxxx.xxx
Diagnostic-Code: smtp; 550 4.4.7 Message expired: unable to deliver in 840 minutes.<421 4.4.0 Unable to lookup DNS for bhpsnj.edu>
Status: 4.4.7