Resolved after 16 days 18 hours, affecting PHISH, on January 27, 2026.
We're seeing a greater deliverability rate and are continuing to monitor.
Affected components
PHISH
Update timeline
- investigating Jan 27, 2026, 01:45 PM UTC
We're investigating an increase in the number of deferred PHISH emails when sending to Microsoft 365 customers.
- monitoring Jan 28, 2026, 09:01 AM UTC
We're seeing a greater deliverability rate and are continuing to monitor.
- resolved Feb 13, 2026, 08:35 AM UTC
This incident has been resolved.
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