Mailgun experienced a major incident on September 12, 2025 affecting API, lasting 5h 14m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 12, 2025, 10:07 AM UTC
We are currently investigating reports of sending errors in US regions.
- investigating Sep 12, 2025, 10:28 AM UTC
We are continuing to investigate this issue.
- investigating Sep 12, 2025, 10:49 AM UTC
We are continuing to investigate this issue.
- investigating Sep 12, 2025, 11:14 AM UTC
We are continuing to investigate this issue.
- monitoring Sep 12, 2025, 12:03 PM UTC
A fix has been implemented and we are monitoring the results.
- identified Sep 12, 2025, 12:57 PM UTC
We are continuing to work to stabilize things at this time. We have no ETA.
- identified Sep 12, 2025, 01:42 PM UTC
Error rates are normalizing as we continue to work to fix the issue.
- monitoring Sep 12, 2025, 01:57 PM UTC
A fix has been implemented and we are monitoring the results.
- monitoring Sep 12, 2025, 02:48 PM UTC
Systems have normalized, we are continuing to monitor for any issues.
- resolved Sep 12, 2025, 03:21 PM UTC
All systems are operating normally at this time. Our engineers continue to monitor our systems for any recurrence or new issues.