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

- Provider: [SparkPost](https://down.guide/sparkpost)
- Level: confirmed
- Impact: Degraded
- lasted 4h 5m
- started 2025-05-18 14:58 UTC
- SMTP Delivery - USA
- eu, us
- id: DWN-61d6f52a56
- Official page: https://stspg.io/3v4hs2vrvj8v

## Updates from SparkPost
### 2025-05-18 14:58 UTC: 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.)

### 2025-05-18 15:11 UTC: monitoring
Latencies are now back to normal. We will continue monitoring, but do not expect any further deviation.

### 2025-05-18 19:03 UTC: resolved
Latencies have remained normal since the last update. We are confident the situation is fully resolved.

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