Outage in PostHog US
Workflows: email sending failing in certain workflows
Resolved Minor
August 18, 2026 - Started 9 days ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
Email sending failed in certain PostHog US Workflows for approximately 1.3 hours due to an identified issue that caused increased failures across affected workflows. A fix was deployed and recovery is being monitored, with affected workflows resuming automatically. Emails that failed during the incident were not resent, but PostHog is preparing a rerun mechanism and will contact impacted customers directly.
We have deployed a fix and are monitoring recovery. Affected workflows resume sending automatically, with no action needed. Emails that failed during the incident were not sent automatically. We are preparing a way to rerun the affected runs and will contact the affected customers directly.
Components affected
PostHog US WorkflowsTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
INVESTIGATING
9 days ago - at 08/18/2026 08:35PM
We're seeing an increased email failures in certain workflows in both regions.
IDENTIFIED
9 days ago - at 08/18/2026 08:50PM
We have identified the cause of the email sending failures affecting some workflows. A fix is in review, and we will update this page once it is rolled out.
MONITORING
9 days ago - at 08/18/2026 09:42PM
We have deployed a fix and are monitoring recovery. Affected workflows resume sending automatically, with no action needed. Emails that failed during the incident were not sent automatically. We are preparing a way to rerun the affected runs and will contact the affected customers directly.
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