Outage in SparkPost
Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
Resolved MinorIncident Report
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
Components affected
SparkPost SMTP Delivery - USATrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
2 months ago - at 02/18/2026 05:06PM
This incident has been resolved.
MONITORING
2 months ago - at 02/18/2026 04:15PM
We have seen recovery. We will continue monitoring for the next 60 minutes to ensure message queues stay stable.
MONITORING
2 months ago - at 02/18/2026 03:59PM
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.
IDENTIFIED
2 months ago - at 02/18/2026 03:15PM
We have begun to see improvements to outbound mail delivery delays. We anticipate full recovery in the next 30 minutes.
IDENTIFIED
2 months ago - at 02/18/2026 03:02PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
2 months ago - at 02/18/2026 02:51PM
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
Latest SparkPost outages
Increased bounce or delay rate for Apple domains - 15 days ago
Email delivery in US region affected - about 1 month ago
Outbound message delivery is delayed/slow for some SparkPost customers (US and EU regions) - about 2 months ago
Microsoft Mail Delivery Delays and Temporary Rejections - about 2 months ago
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