# Mailgun: Delivery Delays for Microsoft Mailbox Providers

> Mailgun reports delivery delays to Microsoft mailbox providers. Messages are deferred because of this issue. Mailgun identified the problem and states that no mail is lost at this time.

- Provider: [Mailgun](https://outages.live/mailgun.md)
- Type: Incident
- State: identified
- Worst impact: Operational
- Started: 2026-11-12 22:38 UTC
- Official update: https://stspg.io/mmytqzjw580p

## Updates from Mailgun

### identified, 2026-11-12 22:39 UTC

Delivery to Microsoft mailbox providers is currently experiencing issues. Messages are deferred and there is no mail loss at this time. We will provide updates as we receive more information.