Delivery Status Notification (Failure)

Address not found Your message wasn't delivered to ops3@aero.cirle.com because the domain aero.cirle.com couldn't be found. Check for typos or unnecessary spaces and try again.

The response was: DNS Error: 17040069 DNS type 'mx' lookup of aero.cirle.com responded with code NXDOMAIN Domain name not found: aero.cirle.com