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 07, 2023 - 15:42 EDT

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

Posted Sep 07, 2023 - 14:56 EDT

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.

Posted Sep 07, 2023 - 14:39 EDT

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.

Posted Sep 07, 2023 - 13:43 EDT

The issue has been identified and the team continues to apply mitigations to resolve the delays in deliveries.

Posted Sep 07, 2023 - 12:40 EDT

Our team has identified the cause of the delays and are actively working to resolve the issue

Posted Sep 07, 2023 - 11:53 EDT

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 07, 2023 - 11:31 EDT

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