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

Incident Report for SparkPost

Resolved

This incident has been resolved.
Posted Feb 18, 2026 - 12:06 EST

Update

We have seen recovery. We will continue monitoring for the next 60 minutes to ensure message queues stay stable.
Posted Feb 18, 2026 - 11:15 EST

Monitoring

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.
Posted Feb 18, 2026 - 10:59 EST

Update

We have begun to see improvements to outbound mail delivery delays. We anticipate full recovery in the next 30 minutes.
Posted Feb 18, 2026 - 10:15 EST

Identified

The issue has been identified and a fix is being implemented.
Posted Feb 18, 2026 - 10:02 EST

Investigating

We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
Posted Feb 18, 2026 - 09:51 EST
This incident affected: SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA).
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