Microsoft Office 365 Mail Flow Issue
Incident Report for Area 1 Security
Resolved
On April 22nd 2021 around approx. 8am PST Microsoft Office 365 customers in North America began seeing elevated message queues. Area 1 customers are being protected during this event by the Area 1 Horizon service automatically holding any messages for redelivery that were being throttled by Microsoft’s service downstream. During this event, there was no loss of emails; and messages were automatically delivered once Microsoft’s issue has been resolved.

More information about the service delivery issue can be found on https://status.office365.com/ Should you have any questions, please contact Area 1 support for further information.
Posted Apr 22, 2021 - 15:00 UTC
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