Microsoft Exchange Online Quarantines Legit Mail
Microsoft Exchange Online quarantines have disrupted business communications after the platform mistakenly flagged legitimate emails as phishing. The issue, tracked as incident EX1227432, began on Feb. 5, 2026, and remains unresolved. Microsoft identified a flawed URL policy as the root cause, which incorrectly classifies safe links as malicious, sending authentic messages to quarantine. Affected users […]
