# SparkPost: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-11-10 22:06 UTC · Resolved: 2025-11-10 23:10 UTC · Duration: 1.1 h
- Updates: 3 · Affected components: SMTP Delivery (Outbound Message Delivery) - SMTP Delivery - USA, SMTP Delivery - USA
- [Vendor status page: https://stspg.io/xhkp7n0snwzc](https://stspg.io/xhkp7n0snwzc)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **investigating** 2025-11-10 22:06 UTC: We are investigating an increase in delivery latency for some outbound messages.  (NOTE: This does not impact our customers hosted in the EU.)
- **monitoring** 2025-11-10 22:41 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2025-11-10 23:10 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/sparkpost/incidents/wlrtmxjvsr8t · Markdown: https://rewindex.com/company/sparkpost/incidents/wlrtmxjvsr8t.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/wlrtmxjvsr8t · Generated 2026-10-19T21:08:43.031Z