Mailgun outage: Delayed sending in EU

Affected components

• API
• Outbound Delivery

1. resolvedMay 25, 2026, 15:55 UTC

   This incident has been resolved.

2. monitoringMay 25, 2026, 15:45 UTC

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

3. identifiedMay 25, 2026, 15:35 UTC

   We are continuing to work on a fix for this issue.

4. identifiedMay 25, 2026, 14:46 UTC

   The issue has been identified and a fix is being implemented.

5. investigatingMay 25, 2026, 14:10 UTC

   We are continuing to investigate this issue.

6. investigatingMay 25, 2026, 13:38 UTC

   We are currently investigating this issue.

7. monitoringMay 25, 2026, 13:00 UTC

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

8. investigatingMay 25, 2026, 12:59 UTC

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

9. investigatingMay 25, 2026, 12:48 UTC

   We are continuing to investigate this issue.

10. investigatingMay 25, 2026, 12:18 UTC

    We are currently investigating this issue.

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.

• Pinecone: [Serverless][AWS][us-west-2] 5xx errors and longer response times on upsert requests for some indexes.Major · May 25, 2026, 13:41 UTC
• Netlify: Support Communication Delivery IssuesMajor · May 25, 2026, 15:31 UTC
• Linode: [Fragnesia] Linux Privilege Escalation VulnerabilityMinor · May 13, 2026, 21:02 UTC
• Akamai: Reporting Issues affecting URL Traffic and URL Responses reportsMinor · May 19, 2026, 10:13 UTC
• Snyk: Snyk Tests for Gradle projects DegradationMinor · May 22, 2026, 02:29 UTC
• Linode: Service Issue - Paris (FR-PAR3)Minor · May 22, 2026, 11:22 UTC
• Vercel: Delays Loading Runtime LogsMinor · May 25, 2026, 14:58 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