# Greylisting Issues with Microsoft/Yahoo

- Provider: [SMTP2GO](https://down.guide/providers/smtp2go)
- Confidence: Confirmed
- Impact: Operational
- lasted 7d 15h
- started 2025-11-05 14:47 UTC
- Email sending (SMTP service)
- id: DWN-bc2f172a37
- Official page: https://stspg.io/pbxn399lp0c8

## Updates from SMTP2GO
### 2025-11-05 14:47 UTC: investigating
We have identified some greylisting issues with Microsoft/Outlook and Yahoo and are actively working on solutions to mitigate the slowed delivery.

### 2025-11-06 03:01 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2025-11-13 06:34 UTC: resolved
This incident has been resolved.

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