Delayed Email Delivery (UK)

Incident Report for KnowBe4

Resolved

This incident has been resolved.
Posted Jan 22, 2026 - 12:05 UTC

Monitoring

We've received reports of some customers having mail flow issues intermittently. We have identified and implemented a fix, however the fix may take 1-4 hours to propagate.
Posted Jan 21, 2026 - 18:18 UTC
This incident affected: Prevent (Mail Flow) and Protect (Mail Flow).