Outage in SparkPost
SMTP 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 - USANeed to monitor SparkPost outages?
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Latest Updates ( sorted recent to last )
RESOLVED
18 days ago - at 11/11/2025 04:10PM
This incident has been resolved.
IDENTIFIED
18 days ago - at 11/11/2025 03:01PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
18 days ago - at 11/11/2025 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
Yahoo Mail Sending Delays - 1 day ago
Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only) - 2 days ago
High response times on the API - 2 days ago
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