Barracuda incident

Email Gateway Defense - Outbound email to Microsoft Domains is experiencing high deferral rates

Resolved after 15 days 15 hours, affecting Mail Delivery, on February 25, 2026.

identified Feb 25, 2026, 10:05 PM UTC

We are aware of a problem where outbound email in EGD to Microsoft Domains is experiencing high deferral rates and are currently monitoring the situation.

Started: Feb 25, 2026, 10:05 PM UTC
Resolved: Mar 13, 2026, 01:18 PM UTC
Duration: 15d 15h
Detected by Pingoru: Feb 25, 2026, 10:05 PM UTC

Affected components

Mail Delivery

Update timeline

identified Feb 25, 2026, 10:05 PM UTC

We are aware of a problem where outbound email in EGD to Microsoft Domains is experiencing high deferral rates and are currently monitoring the situation.
resolved Mar 13, 2026, 01:18 PM UTC

This incident has been resolved.

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