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 20, 2026 - 11:33 EST

We are continuing to monitor for any further issues.

Posted Feb 20, 2026 - 11:15 EST

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

Posted Feb 20, 2026 - 11:14 EST

We are currently investigating this issue.

Posted Feb 20, 2026 - 11:06 EST

This incident affected: SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA).