Front

[smtp] Problems with outbound sending on custom SMTP channels

Major Impact Resolved Duration: 2h 2m October 5, 2026

Current answer

Front experienced a major incident: [smtp] Problems with outbound sending on custom SMTP channels. ServiceAlert observed recovery on Oct 5, 2026.

Official Front status page Current Front status ServiceAlert observed status change: Oct 5, 2026 at 9:45 AM UTC

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Investigating Identified Monitoring

Affected Components

SMTP (non-Gmail / O365)

Monitoring

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

Oct 5, 2026 at 9:13 AM UTC

Identified

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

Oct 5, 2026 at 8:34 AM UTC

Investigating

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

Oct 5, 2026 at 7:42 AM UTC

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