# Campaign: Degraded performance for sending emails

- Provider: [Optimizely](https://down.guide/providers/optimizely)
- Confidence: Confirmed
- Impact: Degraded
- lasted 4h 21m
- started 2026-08-04 13:11 UTC
- E-mail dispatch
- Optimizely states the impact was 2026-08-04 15:30 to 16:00 UTC (30m)
- id: DWN-a60c05f073
- Official page: https://stspg.io/r5vrssk0ql9d

## Updates from Optimizely
### 2026-08-04 13:11 UTC: investigating
We are currently investigating an issue with degraded performance for email dispatch.

### 2026-08-04 13:27 UTC: investigating
The problem has been identified and a partial workaround has been applied.
We are still working on a full solution.

### 2026-08-04 16:08 UTC: monitoring
The problem has been resolved. Unfortunately the Online Versions were impacted between 17:30 and 18:00 CEST as well.
We are now monitoring the system.

### 2026-08-04 17:32 UTC: resolved
No further problems have been observed.

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