# Delayed email delivery to Microsoft-hosted inboxes

- Provider: [BigCommerce](https://down.guide/bigcommerce)
- Level: confirmed
- Impact: Degraded
- lasted 3h 24m
- started 2026-09-04 09:19 UTC
- Email
- id: DWN-da5e07ec54
- Official page: https://stspg.io/gd9gsw8357wc

## Updates from BigCommerce
### 2026-09-04 09:19 UTC: investigating
We are investigating delayed email delivery for some transactional emails, such as order confirmations and notifications. The delay affects recipients with Microsoft-hosted inboxes (Outlook.com, Microsoft 365). Other email providers are not affected. We will post an update as we have more information.

### 2026-09-04 11:59 UTC: monitoring
Commerce engineers have applied mitigations to improve email delivery to Microsoft-hosted inboxes (Outlook.com, Microsoft 365). Delivery rates are improving and we are continuing to monitor them.

### 2026-09-04 12:43 UTC: resolved
This incident has been resolved.

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