Outage in SparkPost

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

Resolved Minor

February 18, 2026 - Started about 4 hours ago - Lasted about 2 hours
Official incident page

Incident 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 - USA

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Latest Updates ( sorted recent to last )

RESOLVED about 1 hour ago - at 02/18/2026 05:06PM

This incident has been resolved.

MONITORING about 2 hours 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 about 3 hours 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 about 3 hours 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 about 4 hours ago - at 02/18/2026 03:02PM

The issue has been identified and a fix is being implemented.

INVESTIGATING about 4 hours 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.)

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