Scheduled Service Change: New automated responses for not-set or not-active Cornell email accoun
For more information see the IT News article (http://itnews.cornell.edu/new-automated-responses-not-set-or-not-active-cornell-email-accounts)
There is no workaround for this issue
On Tuesday January 20, 2015, new functionality is being implemented for @cornell.edu email. Once turned on, the system will send additional explanation with bounce messages that result when email is sent to Cornell accounts that meet certain criteria. ...