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Story perspectives

Microsoft Faces Email Quarantine Crisis Amid Frustration

2/9/2026

24 4 Full Breakdown

Summary

Story summary

On February 5, 2026, Microsoft began investigating an Exchange Online issue where legitimate emails are incorrectly flagged as phishing and quarantined due to a new URL detection rule.
Microsoft engineers are reviewing quarantined messages and unblocking legitimate URLs.
Administrators are frustrated by the lack of transparency and the absence of a timeline for a full resolution.

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Story summary

On February 5, 2026, Microsoft began investigating an Exchange Online issue where legitimate emails are incorrectly flagged as phishing and quarantined due to a new URL detection rule.
Microsoft engineers are reviewing quarantined messages and unblocking legitimate URLs.
Administrators are frustrated by the lack of transparency and the absence of a timeline for a full resolution.