[smtp] Problems with outbound sending on custom SMTP channels

Resolved

Major impact

Started

Lasted 2h 3m

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Updates

  1. Resolved

    This incident has been resolved.

  2. Monitoring

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

  3. Identified

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

  4. Investigating

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