# Mailgun: Errors connecting to smtp.eu.mailgun.org

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-03-17 09:20 UTC · Resolved: 2025-03-17 19:44 UTC · Duration: 10 h
- Updates: 8 · Affected components: Email Services - Outbound Delivery, Outbound Delivery, API, Email Services - API, Email Services - Inbound email processing, Inbound email processing, Email Services - SMTP, SMTP
- [Vendor status page: https://stspg.io/zp2z9276bw6r](https://stspg.io/zp2z9276bw6r)
- [Company: Mailgun](https://rewindex.com/company/mailgun.md)

## Summary

Mailgun reported a major outage involving connection errors to smtp.eu.mailgun.org, starting 2025-03-17 09:20 UTC and resolved 2025-03-17 19:44 UTC, lasting 10 h 24 min. A mitigation restored SMTP and inbound email processing in the EU region to full working behavior at 15:02 UTC. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-03-17 09:20 UTC: We are currently investigating this issue.
- **investigating** 2025-03-17 09:48 UTC: We are continuing to investigate this issue.
- **investigating** 2025-03-17 10:29 UTC: We are continuing to investigate this issue.
- **identified** 2025-03-17 11:56 UTC: The issue has been identified and a fix is being implemented.
- **identified** 2025-03-17 14:22 UTC: We are continuing to work on a fix for this issue.
- **monitoring** 2025-03-17 15:02 UTC: A mitigation has been put in place and SMTP / Inbound email processing in our EU region is back to full working behavior.
- **monitoring** 2025-03-17 18:43 UTC: We are continuing to monitor for any further issues.
- **resolved** 2025-03-17 19:44 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-03-17 09:20 UTC: [Major incident: Errors connecting to smtp.eu.mailgun.org](https://rewindex.com/change/i4ce9158ecc1943.md)


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Canonical: https://rewindex.com/company/mailgun/incidents/b60dthm3t8gk · Markdown: https://rewindex.com/company/mailgun/incidents/b60dthm3t8gk.md · JSON: https://rewindex.com/api/v1/companies/mailgun/incidents/b60dthm3t8gk · Generated 2026-10-18T13:30:52.071Z