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

> Incident updated: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only). Detected 2026-10-28 by Rewindex: what changed on SparkPost’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r668fe2eddf2496
Last updated: 2026-10-28T20:03:50Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (rule)
- Changed: 2026-10-28 20:03 UTC · Detected: 2026-10-28 20:03 UTC
- [Source: https://status.sparkpost.com/incidents/dgp65ql0ksld](https://status.sparkpost.com/incidents/dgp65ql0ksld)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)
- Versions: before incident\_version:755/dgp65ql0ksld@1b6f05c4bdf9 → after incident\_version:755/dgp65ql0ksld@f37172c5fff0
- Change 1 of 2 for this incident

Incident page (full timeline): [Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)](https://rewindex.com/company/sparkpost/incidents/dgp65ql0ksld.md)
## What changed

**1. Added: Update** (monitoring) · 2026-10-28 20:00 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**2. Added: Update** (identified) · 2026-10-28 20:03 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-28 20:03 UTC | Incident updated: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only) (this change) | Normal progress |
| 2026-10-28 21:04 UTC | [Incident updated: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)](https://rewindex.com/change/rb5835ab3fb9cf3.md) | Normal progress |

Next: [change](https://rewindex.com/change/rb5835ab3fb9cf3.md) · All SparkPost changes: [timeline](https://rewindex.com/company/sparkpost/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._

## Cite this

Incident updated: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only) on SparkPost’s status page, changed 2026-10-28 20:03 UTC (change 1 of 2).

- Canonical URL: https://rewindex.com/change/r668fe2eddf2496
- Citation: SparkPost, “Incident updated: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)” (2026-10-28 20:03 UTC). Archived by Rewindex: https://rewindex.com/change/r668fe2eddf2496 (CC BY 4.0).
- Markdown link: `[SparkPost: Incident updated: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only) (2026-10-28)](https://rewindex.com/change/r668fe2eddf2496)`


---
Canonical: https://rewindex.com/change/r668fe2eddf2496 · Markdown: https://rewindex.com/change/r668fe2eddf2496.md · JSON: https://rewindex.com/api/v1/changes/r668fe2eddf2496 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T16:03:02.852Z