Outage in Courier

AWS SES Failures

Resolved Minor
April 30, 2025 - Started about 2 months ago - Lasted about 7 hours
Official incident page

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Outage Details

The Courier team has identified an issue with a recent deployment that is impacting AWS SES integrations. We have found the root cause and have reverted the changes. The team is gathering impact.
Components affected
Courier API
Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 05/01/2025 04:58AM

All impacted messages have been reprocessed.

MONITORING about 2 months ago - at 05/01/2025 01:06AM

The team is still working through the reprocessing for impacted messages. Confirmation of all impacted messages reprocessed will be updated here.

MONITORING about 2 months ago - at 04/30/2025 11:26PM

Fix has landed and the team is monitoring progress. Messages sent to AWS SES are sending normally. The team will reprocess impacted messages.

IDENTIFIED about 2 months ago - at 04/30/2025 10:47PM

The reverted changes will land in production in around one hour. The team will investigate the impact and handle message retries accordingly.

IDENTIFIED about 2 months ago - at 04/30/2025 10:39PM

The Courier team has identified an issue with a recent deployment that is impacting AWS SES integrations. We have found the root cause and have reverted the changes. The team is gathering impact.

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