ITS Service Status Report

Service Degradation — Resolved

ITS Email: Issues with Delivery Into Hotmail and Associated Services

Services Affected: ITS Mail Routing

Start Time: 01/20/2021 8:00 am

Service Restored: 01/25/2021 7:23 am

Issue Symptoms: Degradation


Hotmail's block of the affected IP address has been removed. Mail flow has returned to normal.


Users may experience issues with mail delivery into and mailboxes. We have engaged Microsoft's support for consumer email to request remediation. 

Who is Impacted? Users attempting to send mail to or email addresses

Next Update: 1/22/2021 09:00

Technical Details

Service Type: Production


Only one of six mail hosts appears to be affected by this block, so most mail to these destinations should be making it through in a timely manner. Manual action will be taken occasionally to clear out backed-up queues.

Report Additional Impacts

Contact the ITS Service Center for more information or to report additional impacts.