Resolved incident

Microsoft Incident Resulting in Delivery Issues to M365

Mailjet · None · Started

Duration
32m
Severity
None
Status
Resolved

Summary

None · Resolved

This incident has been resolved.

View official incident ↗

Event timeline

How this incident unfolded, from the official status page.

  1. Monitoring

    Mailjet

    Starting around 08:00 UTC, Microsoft began experiencing an incident causing an increased volume of deferred emails across all M365 regions. The affected responses are returning "451 4.7.500 Server busy". Our teams are actively monitoring the situation. Sending to other email providers is not affected.

  2. Resolved

    Mailjet

    This incident has been resolved.