Mailgun outage: Sending errors in US

Affected components

• API

1. resolvedSep 12, 2025, 15:21 UTC

   All systems are operating normally at this time. Our engineers continue to monitor our systems for any recurrence or new issues.

2. monitoringSep 12, 2025, 14:48 UTC

   Systems have normalized, we are continuing to monitor for any issues.

3. monitoringSep 12, 2025, 13:57 UTC

   A fix has been implemented and we are monitoring the results.

4. identifiedSep 12, 2025, 13:42 UTC

   Error rates are normalizing as we continue to work to fix the issue.

5. identifiedSep 12, 2025, 12:57 UTC

   We are continuing to work to stabilize things at this time. We have no ETA.

6. monitoringSep 12, 2025, 12:03 UTC

   A fix has been implemented and we are monitoring the results.

7. investigatingSep 12, 2025, 11:14 UTC

   We are continuing to investigate this issue.

8. investigatingSep 12, 2025, 10:49 UTC

   We are continuing to investigate this issue.

9. investigatingSep 12, 2025, 10:28 UTC

   We are continuing to investigate this issue.

10. investigatingSep 12, 2025, 10:07 UTC

    We are currently investigating reports of sending errors in US regions.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Mailgun's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Confluence: Degraded performance in Confluence and Jira for Microsoft Edge usersMinor · Sep 9, 2025, 10:23 UTC

How often does Mailgun have incidents?

Mailgun reported 10 incidents in the last 90 days, 5 of them major or critical. A typical incident lasted 1h 17m. See Mailgun's uptime and incident history