Postmark experienced a major incident on September 28, 2026, lasting 2h 5m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Sep 28, 2026, 03:55 PM UTC
We are currently investigating reports of delayed inbound message delays as of 10:25 CDT. Messages are being queued and will be processed once the issue is resolved. No messages have been lost. We will provide an update as soon as we have more information.
- investigating Sep 28, 2026, 04:03 PM UTC
We've applied a fix and inbound message processing is now recovering. Delayed messages are being worked through, and processing times are returning to normal. No messages have been lost. We're continuing to monitor to confirm full recovery.
- resolved Sep 28, 2026, 06:00 PM UTC
This has been resolved. All inbound webhooks processing have been caught up. No messages have been lost.