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 Nov 30, 2020 - 14:18 EST

Monitoring

We have implemented mitigation steps and continue to monitor any further issues.
Posted Nov 30, 2020 - 13:15 EST

Identified

The backlog of messages to be delivered is clearing, however messages are still queued and awaiting delivery for some customers.
Posted Nov 30, 2020 - 10:59 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 Nov 30, 2020 - 09:38 EST
This incident affected: SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA).
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