Treasure Data incident

[All Regions] Transactional email delivery delays

Major Resolved View vendor source →

Treasure Data experienced a major incident on September 17, 2026 affecting Web Interface and Web Interface and 1 more component, lasting 28d 20h. The incident has been resolved; the full update timeline is below.

Started
Sep 17, 2026, 03:14 AM UTC
Resolved
Oct 16, 2026, 12:04 AM UTC
Duration
28d 20h
Detected by Pingoru
Sep 17, 2026, 03:14 AM UTC

Affected components

Web InterfaceWeb InterfaceWeb InterfaceWeb InterfaceWeb Interface

Update timeline

  1. identified Sep 17, 2026, 03:14 AM UTC

    We have identified the cause of delays affecting transactional emails from our web interface and are working on a solution. Customers may some emails later than expected during this time. Affected emails include system notifications and password reset requests. Other email services are operating normally. We will provide another update within 30 minutes.

  2. monitoring Sep 17, 2026, 03:44 AM UTC

    Transactional email delivery is recovering, but it may take some time to return to normal levels. We are continuing to monitor the service. Other email services remain unaffected. We will provide another update within 2 hours.

  3. monitoring Sep 17, 2026, 06:10 AM UTC

    Transactional email delivery is recovering, but it may take some time to return to normal levels. We are continuing to monitor the service. Other email services remain unaffected. We will provide another update within 24 hours.

  4. monitoring Sep 18, 2026, 06:51 AM UTC

    Transactional email delivery is recovering, but it may take some time to return to normal levels. Delivery continues to improve steadily. We are continuing to monitor the service. Other email services remain unaffected. We will provide another update within 7 days.

  5. monitoring Sep 25, 2026, 04:44 AM UTC

    Transactional email delivery continues to recover, but it may take some time to return to normal levels. Delivery remains stable, and we are continuing to monitor the service. Other email services remain unaffected. We will provide another update within seven days, or sooner if conditions change.

  6. monitoring Oct 05, 2026, 02:19 AM UTC

    We are continuing to monitor for any further issues.

  7. monitoring Oct 05, 2026, 02:20 AM UTC

    Transactional email delivery continues to recover, but it may take some time to return to normal levels. Delivery remains stable, and we are continuing to monitor the service. Other email services remain unaffected. We will provide another update within 14 days, or sooner if conditions change.

  8. resolved Oct 16, 2026, 12:04 AM UTC

    We are no longer observing any delivery delays. We have enhanced our monitoring and will continue to watch for disruptions. If you notice any sluggish delivery, please contact our support team for assistance.