SparkPost: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
Affected components: SMTP Delivery (Outbound Message Delivery) - SMTP Delivery - USASMTP Delivery - USA
Timeline of updates
- investigating
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
- identified
The issue has been identified and a fix is being implemented.
- monitoring
A fix has been implemented and we are monitoring the results.
- monitoring
The MTA1 cluster is beginning to stabilize and we are seeing active recovery. We will continue to monitor and provide updates as the cluster fully recovers.
- monitoring
We continue to see significant recovery on the delayed messages. Continuing to monitor and will post the next status after full recovery.
- resolved
We have seen fully recovery from this delay event. A postmortem will be posted shortly detailing the root cause and steps we have taken to prevent a reoccurrence.
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).