Postmark experienced a major incident on May 28, 2026, lasting 2h 59m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating May 28, 2026, 05:21 PM UTC
We are currently investigating an issue causing a delay in reporting for some inbound email activity. Mail delivery is unaffected.
- investigating May 28, 2026, 05:47 PM UTC
A fix has been deployed and inbound reporting performance has returned to normal. We are continuing to monitor.
- resolved May 28, 2026, 08:21 PM UTC
The issue has been resolved.