Front incident

[smtp] Problems with outbound sending on custom SMTP channels

Major Resolved View vendor source →

Front experienced a major incident on October 5, 2026 affecting SMTP (non-Gmail / O365), lasting 2h 2m. The incident has been resolved; the full update timeline is below.

Started
Oct 05, 2026, 07:42 AM UTC
Resolved
Oct 05, 2026, 09:45 AM UTC
Duration
2h 2m
Detected by Pingoru
Oct 05, 2026, 07:42 AM UTC

Affected components

SMTP (non-Gmail / O365)

Update timeline

  1. investigating Oct 05, 2026, 07:42 AM UTC

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

  2. identified Oct 05, 2026, 08:34 AM UTC

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

  3. monitoring Oct 05, 2026, 09:13 AM UTC

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

  4. resolved Oct 05, 2026, 09:45 AM UTC

    This incident has been resolved.