Outage in Front
[smtp] Problems with outbound sending on custom SMTP channels
Resolved MajorIncident Report
Summary AI Generated
Custom SMTP channels (excluding Gmail and Office 365) experienced a spike in outbound sending failures lasting approximately 2 hours. The root cause was identified and a fix was deployed. The incident was fully resolved after a monitoring period confirmed stability.
We are investigating a spike in failures for outbound sending on a subset of custom SMTP channels.
Components affected
Front SMTP (non-Gmail / O365)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
9 days ago - at 10/05/2026 09:45AM
This incident has been resolved.
MONITORING
9 days ago - at 10/05/2026 09:13AM
The fix is deployed and the problem appears to be resolved. We are continuing to monitor.
IDENTIFIED
9 days ago - at 10/05/2026 08:34AM
We believe we have identified the cause and are deploying a fix.
INVESTIGATING
9 days ago - at 10/05/2026 07:42AM
We are investigating a spike in failures for outbound sending on a subset of custom SMTP channels.
Latest Front outages
Delays on generation of certain AI outputs - 8 days ago
[us-west-2] Elevated API error rates may cause delays - 18 days ago
[office365] [gmail] delays in sending and receiving messages for customers in [us-west-1], [us-west-2], and [eu-west-1] - 21 days ago
[office365] Delays in sending and receiving messages for some customers in [us-west-1] and [us-west-2] - about 1 month ago
Application performance degraded - about 1 month ago
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