# Email delivery in US region affected

- Provider: [SparkPost](https://down.guide/sparkpost)
- Level: confirmed
- Impact: Partial outage
- lasted 4h 34m
- started 2026-03-12 06:51 UTC
- SMTP Delivery - USA
- us
- id: DWN-f05b384fa1
- Official page: https://stspg.io/756rm9zd2vm1

## Updates from SparkPost
### 2026-03-12 06:51 UTC: investigating
We are currently investigating issues with delivery of email impacting US region.

### 2026-03-12 07:48 UTC: monitoring
System is fully recovered and under monitoring.

### 2026-03-12 08:00 UTC: investigating
Email delivery in US is impacted, experiencing elevated delays.

### 2026-03-12 10:03 UTC: monitoring
System functionality has been fully restored and all emails are being transmitted correctly without added latencies; we are actively monitoring.

### 2026-03-12 11:25 UTC: resolved
This incident has been resolved.

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