SparkPost outage, 17 September 2026

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

Started
Resolved
17 Sept 2026, 10:00 UTC (after 54 min)
Impact
Minor
Affected
SMTP Delivery - USA

Last update from SparkPost

This incident has been resolved.

17 Sept 2026, 10:00 UTC

Read the full incident on the official SparkPost status page

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This page is the record of one past incident. For the live status, see Is SparkPost down right now? - it reads the official status page every 2 minutes.

Other SparkPost incidents

  1. Increased message delays in US and EU due to DNS resolution errors

  2. Mail delivery delays

  3. Health Score and Cohort data is delayed

  4. Elevated hard bounces for Apple private relay recipients (privaterelay.appleid.com)

  5. Outbound message delivery is delayed/slow for some SparkPost customers (EU hosted only)

  6. Partial Outage and Delivery Issues in US-West-2 Region

  7. There is a delay effecting some mail sending in EU.

  8. Issue with updating payment information

All recorded SparkPost incidents