The Lionmail issue has been resolved and mail is now processing normally. Mail queued during the outage is also being processed. We will continue to closely monitor the service to ensure it is working as expected. We apologize for any inconvenience this may have caused, and appreciate your patience. If you have any questions or continue to experience issues, please contact your support team. Faculty Support: 212-854-6097/ facsup@gsb.columbia.edu