Postmark experienced a major incident on August 14, 2026, lasting 16h 50m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Aug 14, 2026, 08:34 PM UTC
We are investigating sending delay reports for some customers.
- investigating Aug 14, 2026, 08:43 PM UTC
A fix has been deployed. Messages were accepted successfully during this period and are now processing.
- resolved Aug 15, 2026, 01:25 PM UTC
The issue has been resolved after additional monitoring into the early morning. Thank you for your patience.