WorkOS Status · History · Incident #4316

RESOLVED

Email delivery delays

Major · Started Jun 4, 2026 · 7:22 PM

  • Duration

    1h 26m

  • Severity

    Major

  • Detection lead

  • User reports

Summary

Email delivery delays

The backlog of messages have been sent and system performance has returned to its expected state. Sending delays occurred between 2:50pm – 5:18pm PT.


  • Started

    Jun 4, 2026 · 7:22 PM

  • Resolved

    Jun 4, 2026 · 8:49 PM

  • Duration

    1h 26m

  • Severity

    Major

Event timeline

How this incident unfolded

  • Identified

    Jun 4 · 7:22 PM WorkOS

    Email delivery for customers without custom domains is delayed due to an issue with our upstream service provider.

  • Identified

    Jun 4 · 8:08 PM WorkOS

    Our email provider is continuing to work through the backlog and has scaled up to speed up the process.

  • Monitoring

    Jun 4 · 8:34 PM WorkOS

    Email delivery has recovered. We're continuing to monitor.

  • Resolved

    Jun 4 · 8:49 PM WorkOS

    The backlog of messages have been sent and system performance has returned to its expected state. Sending delays occurred between 2:50pm – 5:18pm PT.

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