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

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2021-10-28 16:56 UTC · Resolved: 2021-10-29 01:59 UTC · Duration: 9.1 h
- Updates: 1
- [Vendor status page: https://status.sparkpost.com/incidents/bwl8dr6gwmts](https://status.sparkpost.com/incidents/bwl8dr6gwmts)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **resolved** 2021-10-29 01:59 UTC: This incident has been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._


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Canonical: https://rewindex.com/company/sparkpost/incidents/bwl8dr6gwmts · Markdown: https://rewindex.com/company/sparkpost/incidents/bwl8dr6gwmts.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/bwl8dr6gwmts · Generated 2026-10-19T21:08:43.986Z