Outage in SparkPost

Longer than expected delays

Resolved Minor
December 11, 2025 - Started 5 days ago - Lasted about 2 hours
Official incident page

Incident Report

Messages that have failed initial delivery and are in a delayed state are taking longer than expected to resend. Only messages injected via SMTP and in a delayed state are effected.

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Latest Updates ( sorted recent to last )
RESOLVED 5 days ago - at 12/11/2025 06:34PM

This incident has been resolved.

MONITORING 5 days ago - at 12/11/2025 05:00PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 5 days ago - at 12/11/2025 04:57PM

The issue has been identified and the fix has been deployed.

INVESTIGATING 5 days ago - at 12/11/2025 04:34PM

Messages that have failed initial delivery and are in a delayed state are taking longer than expected to resend. Only messages injected via SMTP and in a delayed state are effected.

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