Delayed Delivery of Incoming External Mail to Office 365 Mail Systems

Resolved Alert:

The issue with the delivery of external emails sent to @gmu.edu email addresses has been resolved. The issue was due to a system wide problem experienced by our antispam/antivirus services provider. They have made an update to their service which has corrected the issue.

Mail queued during the service delay has been delivered and delivery of external emails sent to @gmu.edu email addresses is currently functioning as normal.

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Initial Alert:

We are currently experiencing delays in the delivery of external emails sent to @gmu.edu email addresses. We are working with our vendor to determine the cause of the issue.

This issue impacts external emails sent to both students and employees using the @gmu.edu email address. Emails sent to @masonlive.gmu.edu do not appear to be impacted at this time.

We will provide additional updates once more information is available.


If you have any questions or concerns, please contact the ITS Support Center at 703-993-8870, or via email at support@gmu.edu.