# PostHog: Workflows: email sending failing in certain workflows

- Provider: [PostHog](https://outages.cc/posthog.md)
- Type: Incident
- State: Resolved
- Worst impact: Partial outage
- Started: 2026-08-18 20:35 UTC
- Resolved: 2026-08-18 21:53 UTC (lasted 1 h 18 min)
- Components: Workflows
- Official update: https://www.posthogstatus.com/incidents/01M0B9CNR2BZ2HCEGN9MYY2QZ2

## Updates from PostHog

### resolved, 2026-08-18 21:53 UTC

The fix is deployed and email sending is back to normal in both regions. We will reach out to affected customers about a rerun of the emails that failed during the incident.

### monitoring, 2026-08-18 21:42 UTC

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.

### identified, 2026-08-18 20:50 UTC

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.

### investigating, 2026-08-18 20:35 UTC

We're seeing an increased email failures in certain workflows in both regions.