Ongoing since 07:27 PM UTC, affecting Email Events.
Microsoft 365 is currently experiencing an incident: https://status.cloud.microsoft/, which is degrading its ability to accept email. While this is not a Resend incident, it is possible to see an elevated amount of “Delivery Delay” events if Microsoft is unable to accept the email. With our Delivery Delayed events, we will retry delivery. Once Microsoft resolves its incident, sending to these addresses will return to normal.
Affected components
Update timeline
- monitoring Nov 12, 2026, 07:27 PM UTC
Microsoft 365 is currently experiencing an incident: https://status.cloud.microsoft/, which is degrading its ability to accept email. While this is not a Resend incident, it is possible to see an elevated amount of “Delivery Delay” events if Microsoft is unable to accept the email. With our Delivery Delayed events, we will retry delivery. Once Microsoft resolves its incident, sending to these addresses will return to normal.
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