Outage: Outgoing emails

Incident Report for UC Davis

Resolved

Systems administrators worked with Microsoft to determine the cause of the outage and have resolved the issue.

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IT Express Service Desk
ithelp@ucdavis.edu
530.754.HELP (4357)

Posted Dec 03, 2019 - 17:38 PST

Update

The administrators have opened a Premier ticket with Microsoft and are working with the vendor to identify the issue.

Posted Dec 03, 2019 - 15:16 PST

Investigating

The Office 365 email service is currently experiencing an issue where outbound messages are returned with a "Remote Server returned '550 5.7.705 Service unavailable. Access denied, tenant has exceeded threshold." error message. Administrators are looking into the issue.

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IT Express Service Desk
ithelp@ucdavis.edu
530.754.HELP (4357)

Posted Dec 03, 2019 - 14:05 PST

This incident affected: DavisMail and uConnect Office 365.