# Iterable: Email Send Delays with Partial Sparkpost outage on US-WEST-2.

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-07-24 16:30 UTC · Resolved: 2026-07-24 19:09 UTC · Duration: 2.6 h
- Updates: 5 · Affected components: Global Campaign Sends
- [Vendor status page: https://stspg.io/l1r7f076vz1h](https://stspg.io/l1r7f076vz1h)
- [Company: Iterable](https://rewindex.com/company/iterable.md)

## Timeline of updates

- **investigating** 2026-07-24 16:30 UTC: Email sends delayed for US-hosted customers using SparkPost in US-WEST-2 region.
- **monitoring** 2026-07-24 16:30 UTC: We are currently experiencing email delivery delays due to a partial outage affecting SparkPost's US-West-2 region. Emails continue to be accepted and queued, but delivery is delayed. Our team is working closely with SparkPost to resolve this issue. We will provide updates as more information becomes available. Next update in 15m.
- **monitoring** 2026-07-24 16:40 UTC: We are continuing to monitor Sparkpost outage as they work to continue draining the backlog of delayed messages.
- **monitoring** 2026-07-24 17:40 UTC: We are continuing to monitor Sparkpost outage as they work to continue draining the backlog of delayed messages. Sparkpost estimates that they expect to have most email delivered within the next 30-45 minutes.
- **resolved** 2026-07-24 19:09 UTC: All Sparkpost sends that were previously delayed have been delivered and Sparkpost reports that their systems are now fully functional.  If you continue to experience any issues please contact Support.


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Canonical: https://rewindex.com/company/iterable/incidents/8ncg3wnf2pcb · Markdown: https://rewindex.com/company/iterable/incidents/8ncg3wnf2pcb.md · JSON: https://rewindex.com/api/v1/companies/iterable/incidents/8ncg3wnf2pcb · Generated 2026-10-18T11:26:28.407Z