Stytch incident
Emails not being delivered
Resolved after 3 hours 33 minutes, affecting Live API and Test API and 1 more, on August 17, 2026.
An email spam attack triggered our automatic provider failover, and we experienced sending difficulties with our secondary provider, causing Stytch emails to be unable to be sent. A fix was put in place to mitigate email spam but we were unable to merge this due to an upstream [GitHub incident](https://www.githubstatus.com/incidents/zkxwbgr0cnmx), resulting in delays in mitigating the issue. We will update this postmortem with additional details as soon as possible with planned near-term mitigations to prevent this from occurring again in the future.
Affected components
Update timeline
- investigating Aug 17, 2026, 09:27 AM UTC
We are currently investigating this incident.
- monitoring Aug 17, 2026, 12:14 PM UTC
We've mitigated the issue and emails are now being delivered. Currently monitoring.
- resolved Aug 17, 2026, 01:00 PM UTC
This incident has been resolved.
- resolved Aug 17, 2026, 04:00 PM UTC
An email spam attack triggered our automatic provider failover, and we experienced sending difficulties with our secondary provider, causing Stytch emails to be unable to be sent. A fix was put in place to mitigate email spam but we were unable to merge this due to an upstream [GitHub incident](https://www.githubstatus.com/incidents/zkxwbgr0cnmx), resulting in delays in mitigating the issue. We will update this postmortem with additional details as soon as possible with planned near-term mitigations to prevent this from occurring again in the future.
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