SparkPost outage, 30 October 2026

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

Started
Status
Ongoing: Identified
Impact
Not stated
Affected
SMTP Delivery - USA

Is this still happening?

Yes. SparkPost still lists it as identified; last update 30 Oct 2026, 20:02 UTC.

Right now: SparkPost reports all systems operational. (as of 30 Oct, 20:52 UTC) Live SparkPost status

Last update from SparkPost

We have identified the issue and are working on a resolution; delivery latencies are recovering.

30 Oct 2026, 20:02 UTC

Read the full incident on the official SparkPost status page

Similar SparkPost incidents

Earlier incidents with the same affected part or wording - useful to see how long this kind of problem usually takes.

  1. , resolved after 1 h

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

  2. , resolved after 54 min

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

  3. , resolved after 3 h 15 min

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

  4. , resolved after 27 min

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

  5. , resolved after 2 h 15 min

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

Other recent 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