# SMTP/51.159.208.135 blacklisted on Microsoft/Outlook from classic webhosting service

- Provider: [Scaleway](https://down.guide/providers/scaleway)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 199d 17h
- started 2025-11-24 18:34 UTC
- Hosting
- id: DWN-9976cb6ea6
- Official page: https://stspg.io/9p3h9q9w837y

## Updates from Scaleway
### 2025-11-24 18:34 UTC: identified
Our service is currently experiencing disruption due to blacklisting by Microsoft. 
We are actively working with Microsoft to resolve this issue as soon as possible.

### 2026-06-12 12:16 UTC: resolved
No more SMTP blacklist messages reported from Outlook provider.

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