Outage in SparkPost
Outbound message delivery is delayed/slow for some SparkPost customers (EU hosted only)
Resolved MinorIncident Report
Summary AI Generated
SparkPost's EU SMTP delivery infrastructure experienced increased latency for outbound messages for approximately 1.2 hours, affecting only European-hosted customers. A fix was implemented and the incident was resolved within roughly 15 minutes of the fix being applied.
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the US.)
Components affected
SparkPost SMTP Delivery - EUROPETrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 08/19/2026 07:58PM
This incident has been resolved.
MONITORING
2 days ago - at 08/19/2026 07:44PM
A fix has been implemented and we are monitoring the results.
INVESTIGATING
2 days ago - at 08/19/2026 06:52PM
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the US.)
Latest SparkPost outages
Partial Outage and Delivery Issues in US-West-2 Region - 28 days ago
There is a delay effecting some mail sending in EU. - about 2 months ago
Issue with updating payment information - 3 months ago
Elevated 5xx Suppression List API error rates and latency for some SparkPost customers (US hosted only) - 3 months ago
Delayed delivery for some messages in EU - 3 months ago
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