# Mailgun: Email Validation 500s

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-09-11 22:56 UTC · Resolved: 2025-09-12 02:19 UTC · Duration: 3.4 h
- Updates: 6 · Affected components: Deliverability Services - Email Validation, Email Validation
- [Vendor status page: https://stspg.io/zvp1w5zr5wwk](https://stspg.io/zvp1w5zr5wwk)
- [Company: Mailgun](https://rewindex.com/company/mailgun.md)

## Summary

Mailgun reported a major incident causing Email Validation 500 errors, affecting Deliverability Services - Email Validation and Email Validation. It started at 2025-09-11 22:56 UTC and was resolved at 2025-09-12 02:19 UTC, lasting 3 h 23 min; a fix was implemented and monitored before resolution. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-09-11 22:56 UTC: We are currently investigating this issue.
- **identified** 2025-09-12 00:15 UTC: The issue has been identified and a fix is being implemented.
- **identified** 2025-09-12 01:00 UTC: The issue has been identified and we continue to work on a fix for this issue.
- **monitoring** 2025-09-12 02:07 UTC: A fix has been implemented and we are monitoring the results.
- **monitoring** 2025-09-12 02:07 UTC: We are continuing to monitor for any further issues.
- **resolved** 2025-09-12 02:19 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-09-11 22:56 UTC: [Major incident: Email Validation 500s](https://rewindex.com/change/idffad9ded1d339.md)


---
Canonical: https://rewindex.com/company/mailgun/incidents/7ghvl6cl8lgx · Markdown: https://rewindex.com/company/mailgun/incidents/7ghvl6cl8lgx.md · JSON: https://rewindex.com/api/v1/companies/mailgun/incidents/7ghvl6cl8lgx · Generated 2026-10-18T09:59:40.765Z