Resolved after 3 hours 49 minutes, affecting Gateway and Core Email Protection API and 1 more, on August 21, 2026.
Between 14:14 UTC and 18:05 UTC, we experienced a delay in Defender checks affecting inbound email processing. Our Engineering team investigated the issue, and following continued monitoring, checks are now performing as expected. If you have any additional questions, please don't hesitate to open a support case.
Affected components
Update timeline
- identified Aug 21, 2026, 03:38 PM UTC
We are experiencing a check lag on US-based portals at the moment. This issue began at 14:14 UTC Friday 21st August. Engineering is investigating the issue and working on a solution. You may experience timeouts checking messages during this time. We will update this status page with further details and progress.
- identified Aug 21, 2026, 03:39 PM UTC
We are experiencing a check lag on US-based portals at the moment. This issue began at 14:14 UTC Friday 21st August. Engineering is investigating the issue and working on a solution. You may experience timeouts checking inbound messages during this time.
- resolved Aug 21, 2026, 07:28 PM UTC
Between 14:14 UTC and 18:05 UTC, we experienced a delay in Defender checks affecting inbound email processing. Our Engineering team investigated the issue, and following continued monitoring, checks are now performing as expected. If you have any additional questions, please don't hesitate to open a support case.
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