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

Incident Report for SparkPost

Resolved

This incident has been resolved.
Posted Sep 08, 2023 - 15:15 EDT

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Sep 08, 2023 - 14:13 EDT

Update

We are continuing to work on a fix for this issue.
Posted Sep 08, 2023 - 14:13 EDT

Update

We are continuing to work on a fix for this issue. Some customers are continuing to observe a slower-than-normal rate of outbound message delivery, however most customers are not impacted by this incident.
Posted Sep 08, 2023 - 13:33 EDT

Identified

The issue has been identified and a fix is being implemented.
Posted Sep 08, 2023 - 12:36 EDT

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 Sep 08, 2023 - 12:28 EDT
This incident affected: SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA).