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

> SparkPost status incident “Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only)” on 2021-09-15: impact minor (vendor’s label), 3.5 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sparkpost/incidents/wfkp8gbmxj8y
Last updated: 2021-09-16T01:09:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-09-15 21:36 UTC · Resolved: 2021-09-16 01:09 UTC · Duration: 3.5 h
- Updates: 1
- [Vendor status page: https://status.sparkpost.com/incidents/wfkp8gbmxj8y](https://status.sparkpost.com/incidents/wfkp8gbmxj8y)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **resolved** 2021-09-16 01:09 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._

## Cite this

Status incident (vendor impact label: minor) posted by SparkPost, started 2021-09-15 21:36 UTC, resolved after 3.5 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/sparkpost/incidents/wfkp8gbmxj8y
- Citation: SparkPost, “Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only)” (2021-09-15 21:36 UTC). Archived by Rewindex: https://rewindex.com/company/sparkpost/incidents/wfkp8gbmxj8y (CC BY 4.0).
- Markdown link: `[SparkPost: Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only) (2021-09-15)](https://rewindex.com/company/sparkpost/incidents/wfkp8gbmxj8y)`


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Canonical: https://rewindex.com/company/sparkpost/incidents/wfkp8gbmxj8y · Markdown: https://rewindex.com/company/sparkpost/incidents/wfkp8gbmxj8y.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/wfkp8gbmxj8y · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:26:58.202Z