# Front: [smtp] Problems with outbound sending on custom SMTP channels

- Provider: [Front](https://outages.live/front.md)
- Type: Incident
- State: Resolved
- Worst impact: Partial outage
- Started: 2026-10-05 07:42 UTC
- Resolved: 2026-10-05 09:45 UTC (lasted 2 h 3 min)
- Components: SMTP (non-Gmail / O365)
- Official update: https://stspg.io/sqplmrllzj6p

## Updates from Front

### resolved, 2026-10-05 09:45 UTC

This incident has been resolved.

### monitoring, 2026-10-05 09:13 UTC

The fix is deployed and the problem appears to be resolved. We are continuing to monitor.

### identified, 2026-10-05 08:34 UTC

We believe we have identified the cause and are deploying a fix.

### investigating, 2026-10-05 07:42 UTC

We are investigating a spike in failures for outbound sending on a subset of custom SMTP channels.