SparkPost incident
Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
SparkPost experienced a minor incident on February 18, 2026 affecting SMTP Delivery - USA, lasting 2h 15m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Feb 18, 2026, 02:51 PM UTC
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
- identified Feb 18, 2026, 03:02 PM UTC
The issue has been identified and a fix is being implemented.
- identified Feb 18, 2026, 03:15 PM UTC
We have begun to see improvements to outbound mail delivery delays. We anticipate full recovery in the next 30 minutes.
- monitoring Feb 18, 2026, 03:59 PM UTC
We continue to see strong recovery of the mail queues and message delivery. We expect all remaining delayed messages to be delivered in the next 5 minutes.
- monitoring Feb 18, 2026, 04:15 PM UTC
We have seen recovery. We will continue monitoring for the next 60 minutes to ensure message queues stay stable.
- resolved Feb 18, 2026, 05:06 PM UTC
This incident has been resolved.