# SparkPost: Outbound message delivery is delayed/slow to certain domains for some SparkPost and SparkPost Enterprise customers

> SparkPost status incident “Outbound message delivery is delayed/slow to certain domains for some SparkPost and SparkPost Enterprise customers” on 2021-10-27: impact minor (vendor’s label), 29 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sparkpost/incidents/m2qfgrmwvtp0
Last updated: 2021-10-29T02:02:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-10-27 21:27 UTC · Resolved: 2021-10-29 02:02 UTC · Duration: 29 h
- Updates: 1
- [Vendor status page: https://status.sparkpost.com/incidents/m2qfgrmwvtp0](https://status.sparkpost.com/incidents/m2qfgrmwvtp0)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **resolved** 2021-10-29 02:02 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 2021-10-27 21:27 UTC, resolved after 29 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/sparkpost/incidents/m2qfgrmwvtp0
- Citation: SparkPost, “Outbound message delivery is delayed/slow to certain domains for some SparkPost and SparkPost Enterprise customers” (2021-10-27 21:27 UTC). Archived by Rewindex: https://rewindex.com/company/sparkpost/incidents/m2qfgrmwvtp0 (CC BY 4.0).
- Markdown link: `[SparkPost: Outbound message delivery is delayed/slow to certain domains for some SparkPost and SparkPost Enterprise customers (2021-10-27)](https://rewindex.com/company/sparkpost/incidents/m2qfgrmwvtp0)`


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Canonical: https://rewindex.com/company/sparkpost/incidents/m2qfgrmwvtp0 · Markdown: https://rewindex.com/company/sparkpost/incidents/m2qfgrmwvtp0.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/m2qfgrmwvtp0 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:06:01.366Z