# SparkPost: We experienced an increase in "delays"/4xx errors on outbound message delivery for some SparkPost and SparkPost Enterprise customers (US hosted only)

> SparkPost status incident “We experienced an increase in "delays"/4xx errors on outbound message delivery for some SparkPost and SparkPost Enterprise customers (US hosted only)” on 2021-01-14: impact none (vendor’s label), 0 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sparkpost/incidents/0njf25qfnk5b
Last updated: 2021-01-14T15:00:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2021-01-14 15:00 UTC · Resolved: 2021-01-14 15:00 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://status.sparkpost.com/incidents/0njf25qfnk5b](https://status.sparkpost.com/incidents/0njf25qfnk5b)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **resolved** 2021-01-14 15:00 UTC: We experienced an increase in "delays"/4xx errors on outbound message delivery for some SparkPost and SparkPost Enterprise customers (US hosted only) during the timeframe of 14:52 UTC to 15:00 UTC. Note: This issue does not impact our SparkPost customers hosted in the EU.

_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: none) posted by SparkPost, started 2021-01-14 15:00 UTC, resolved after 0 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/sparkpost/incidents/0njf25qfnk5b
- Citation: SparkPost, “We experienced an increase in "delays"/4xx errors on outbound message delivery for some SparkPost and SparkPost Enterprise customers (US hosted only)” (2021-01-14 15:00 UTC). Archived by Rewindex: https://rewindex.com/company/sparkpost/incidents/0njf25qfnk5b (CC BY 4.0).
- Markdown link: `[SparkPost: We experienced an increase in "delays"/4xx errors on outbound message delivery for some SparkPost and SparkPost Enterprise customers (US hosted only) (2021-01-14)](https://rewindex.com/company/sparkpost/incidents/0njf25qfnk5b)`


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Canonical: https://rewindex.com/company/sparkpost/incidents/0njf25qfnk5b · Markdown: https://rewindex.com/company/sparkpost/incidents/0njf25qfnk5b.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/0njf25qfnk5b · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:57:33.054Z