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

Resolved

Minor impact

Started

Lasted 4h 5m

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Updates

  1. Resolved

    Latencies have remained normal since the last update. We are confident the situation is fully resolved.

  2. Monitoring

    Latencies are now back to normal. We will continue monitoring, but do not expect any further deviation.

  3. Investigating

    We are investigating an increase in delivery latency for a small percentage of outbound messages. (NOTE: This does not impact our customers hosted in the EU.)