Outage in University of Nebraska
Microsoft 365 email delivery under investigation
Resolved MajorIncident Report
A problem with outbound email from Microsoft 365 is under investigation. Technicians are investigating the issue.
Questions 402-472-3970 or support@nebraska.edu
Components affected
University of Nebraska Microsoft 365 - Outlook (Exchange Online)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
10 days ago - at 08/17/2026 01:39PM
All systems are operating normally. This issue is resolved.
MONITORING
13 days ago - at 08/14/2026 06:43PM
Our email security provider has resolved the underlying issues affecting email routing. All email services are now functioning as expected.
Messages that you sent between 6:00am and 10:00 am, especially those that you received an email bounce back message on, were likely not delivered and will need to be resent. Senders from outside of the NU System, including UNMC, sending you email may also need to resend their messages to you. Email sent between internal campus accounts was not impacted by this outage.
MONITORING
13 days ago - at 08/14/2026 03:11PM
A workaround for the email routing issue has been implemented. We are now seeing messages being successfully delivered, though some delays may continue.
Messages that you sent between 6:00am and 10:00 am, especially those that you received an email bounce back message on, were likely not delivered and will need to be resent. Senders from outside of the NU System, including UNMC, sending you email may also need to resend their messages to you. Email sent between internal campus accounts was not impacted by this outage.
ITS continues to monitor the situation and will provide additional updates as needed.
IDENTIFIED
13 days ago - at 08/14/2026 02:17PM
Due to a global outage affecting our email security provider, Proofpoint, inbound and outbound email is currently disrupted and some messages may bounce.
Internal email within the NU System—including UNO, UNK, UNL and the Office of the President—remains functional. UNMC is not impacted by the outage; however, messages sent from other campuses to UNMC addresses may bounce. Emails generated by Zoom, Canvas and other third-party applications may also be affected.
Proofpoint is working to resolve the issue.
IDENTIFIED
13 days ago - at 08/14/2026 01:28PM
As a result of a global outage with our email security provider, inbound and outbound email is currently disrupted. Attempts may result in email bounce messages. Internal emails within the NU System, except for UNMC, are still functional during this disruption.
INVESTIGATING
13 days ago - at 08/14/2026 01:06PM
A problem with outbound email from Microsoft 365 is under investigation. Technicians are investigating the issue.
Questions 402-472-3970 or support@nebraska.edu
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