Cornerstone: Emails not processed on FRA SL1

Cornerstone · csod.comImpact: majorResolved2026-09-14 15:58 UTC

Public — what happened

Summary

A fix has been implemented, and the queues are no longer stuck. However, it will take some time to clear the backlog. We are continuing to monitor the queue.

Timeline

Started — 2026-09-14 14:09 UTC
Last update — 2026-09-14 15:58 UTC
Resolved — 2026-09-14 18:11 UTC

Source of record: provider status page. Mirrored as reported; times in UTC.

With SquidGrid — where it starts on the route

Independent path health

The status page is the symptom. SquidGrid measures the paths that reach Cornerstone against their own baselines — whether the routes carrying your traffic degraded, at which handoff, and who owns that stretch.

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Related: Cornerstone status & history. SquidGrid is not affiliated with Cornerstone.