# Twilio: Email Delivery Delays to Microsoft Inbox Providers

> Twilio reports delays for Email delivery to some Microsoft-hosted inboxes. Other inbox providers are not affected. Twilio identified a third-party provider dependency. Messages to Microsoft inboxes can stay queued longer than usual, but no mail loss occurs at this time.

- Provider: [Twilio](https://outages.live/twilio.md)
- Type: Incident
- State: identified
- Worst impact: Degraded performance
- Started: 2026-11-12 19:42 UTC
- Components: Other, TWILIO PLATFORM - Other
- Official update: https://stspg.io/6f5v3h5q1mkr

## Updates from Twilio

### identified, 2026-11-12 20:00 UTC

We have identified the issue of delayed email delivery to Microsoft inbox providers for Email. Due to a third-party provider dependency, messages to these inboxes may remain queued longer than usual, but there is no mail loss at this time. We will provide another update in 1 hour or as soon as more information becomes available.

### investigating, 2026-11-12 19:45 UTC

We have identified an issue with Email. Users may experience delays in message delivery to some inboxes hosted by Microsoft This does not impact mail send targeted to other inbox provider other than Microsoft. We will provide another update in 1 hour or as soon as more information becomes available.