Resolved after 1 hour 43 minutes, affecting Inbound Email Security (IES), on April 28, 2026.
Between 00:30 UTC and 08:10 UTC on April 28, 2026, Abnormal experienced an issue impacting email detection and scoring accuracy, which may have resulted in some legitimate emails being incorrectly flagged. Abnormal engineering identified the root cause, implemented a fix, and confirmed that all email detection and scoring services have been fully restored. All messages received during the impact window will be replayed to ensure complete email protection coverage. If you experience any further issues, please reach out to the support team at [email protected].
Affected components
Update timeline
- identified Apr 28, 2026, 05:25 AM UTC
Starting at 00:30 UTC on April 28, 2026, Abnormal identified an issue impacting email detection accuracy, which may result in some legitimate emails being incorrectly flagged. Abnormal engineering is actively investigating and implementing corrective measures to restore full detection accuracy. Email remediation services remain operational. Abnormal will provide an update within 1 hour or as new information becomes available.
- identified Apr 28, 2026, 06:20 AM UTC
Abnormal engineering has identified the root cause and is working to implement a fix to fully restore email protection. Abnormal will provide an additional update within 1 hour or as new information becomes available.
- resolved Apr 28, 2026, 07:09 AM UTC
Between 00:30 UTC and 08:10 UTC on April 28, 2026, Abnormal experienced an issue impacting email detection and scoring accuracy, which may have resulted in some legitimate emails being incorrectly flagged. Abnormal engineering identified the root cause, implemented a fix, and confirmed that all email detection and scoring services have been fully restored. All messages received during the impact window will be replayed to ensure complete email protection coverage. If you experience any further issues, please reach out to the support team at [email protected].
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