Delivery Status Notification (Failure)

Address not found Your message wasn't delivered to bangnapi@yaho.com because the domain yaho.com couldn't be found. Check for typos or unnecessary spaces and try again. LEARN MORE This link will take you to a third-party site

The response was: DNS Error: DNS type 'mx' lookup of yaho.com responded with code NOERROR The domain yaho.com doesn't receive email according to the administrator: returned Null MX. Learn more at https://www.rfc-editor.org/info/rfc7505