Outage in Resend
Microsoft 365 Incident
Resolved Minor
January 22, 2026 - Started 3 months ago
- Lasted about 9 hours
Incident Report
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.
Trusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
MONITORING
3 months ago - at 01/23/2026 12:07AM
Microsoft is continuing to investigate and work towards mitigating the incident impacting Microsoft 365. We will continue to monitor their updates. Emails experiencing "Delivery Delayed" will continue to retry.
MONITORING
3 months ago - at 01/22/2026 09:16PM
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.
Latest Resend outages
Email events delayed - 1 day ago
Email sending error - 16 days ago
Email sending delay - 29 days ago
Email events delayed - about 1 month ago
Never miss outages in third-party dependencies
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
