Mailgun outage on Sep 12, 2025

What happened

Mailgun reported a partial outage starting Sep 12, 2025, 10:07 UTC, affecting API. It was marked resolved at Sep 12, 2025, 15:21 UTC.

• The incident lasted 5h 15m from first report to resolution.
• It was the 2nd longest of 9 significant outages Mailgun reported in the 12 months up to it.
• Mailgun had reported 1 other partial or major outage in the 90 days before it.
• 2 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Mailgun

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

Read Mailgun's official incident report ↗

What our independent monitoring saw

Our independent monitoring of Mailgun started after this incident, so this report is based on Mailgun's status page.

Other outages around the same time

Significant incidents other vendors reported within 12 hours of this one.

• Partial outageAgorapulseSep 12, 2025, 09:10 UTC

  Instagram posts failing with (#10) Application does not have permission for this action (code 10, subcode null) 'null - null' error message

• Partial outageExercise.comSep 12, 2025, 14:35 UTC

  Increased Server Errors

Mailgun's overall reliability

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