# Mailgun: US Email Validation 500's and Mailgun Control Panel Unavailable

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2026-07-13 18:23 UTC · Resolved: 2026-07-13 19:56 UTC · Duration: 1.5 h
- Updates: 5 · Affected components: Deliverability Services - Email Validation, Email Validation, Control Panel, Customer Tools - Control Panel
- [Vendor status page: https://stspg.io/l6q379wjw0v4](https://stspg.io/l6q379wjw0v4)
- [Company: Mailgun](https://rewindex.com/company/mailgun.md)

## Summary

Mailgun reported a critical incident involving US Email Validation 500 errors and an unavailable Control Panel, starting 2026-07-13 18:23 UTC and resolved at 2026-07-13 19:56 UTC (1 h 32 min). A fix was implemented and monitored; no cause was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-07-13 18:23 UTC: We are currently investigating this issue.
- **investigating** 2026-07-13 18:51 UTC: We are continuing to investigate this issue.
- **identified** 2026-07-13 19:24 UTC: The issue has been identified and a fix is being implemented.
- **monitoring** 2026-07-13 19:45 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-07-13 19:56 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-07-13 18:23 UTC: [Critical incident: US Email Validation 500's and Mailgun Control Panel Unavailable](https://rewindex.com/change/i74bbe78c19b49b.md)


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Canonical: https://rewindex.com/company/mailgun/incidents/45hrj8r4pp7b · Markdown: https://rewindex.com/company/mailgun/incidents/45hrj8r4pp7b.md · JSON: https://rewindex.com/api/v1/companies/mailgun/incidents/45hrj8r4pp7b · Generated 2026-10-18T10:35:38.542Z