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

Incident Report for SparkPost

Resolved

This incident has been resolved.
Posted Feb 15, 2019 - 15:45 EST

Update

We are continuing to monitor for any further issues.
Posted Feb 15, 2019 - 13:54 EST

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Feb 15, 2019 - 13:54 EST

Identified

The issue has been identified and a fix is being implemented.
Posted Feb 15, 2019 - 13:52 EST

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 Feb 15, 2019 - 12:33 EST
This incident affected: SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA).