# Mailgun: Intermittent Email Validation Errors

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-02-25 19:10 UTC · Resolved: 2026-02-25 21:45 UTC · Duration: 2.6 h
- Updates: 8 · Affected components: API, Email Services - API, Deliverability Services - Email Validation, Email Validation
- [Vendor status page: https://stspg.io/zt8kjgf6jh9k](https://stspg.io/zt8kjgf6jh9k)
- [Company: Mailgun](https://rewindex.com/company/mailgun.md)

## Summary

Mailgun reported intermittent email validation errors with major impact affecting API and Email Validation components from 2026-02-25 19:10 UTC to 2026-02-25 21:45 UTC, lasting 2 h 35 min. A fix was implemented by 02-25 21:36 UTC, and the incident was resolved. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-02-25 19:10 UTC: We are currently investigating this issue.
- **investigating** 2026-02-25 19:29 UTC: We are continuing to investigate this issue.
- **identified** 2026-02-25 19:29 UTC: Domain verification is also impacted. Increased chances of domain verification failing.  The issue has been identified and engineering is actively working on a fix.
- **identified** 2026-02-25 19:30 UTC: We are continuing to work on a fix for this issue.
- **identified** 2026-02-25 19:47 UTC: We are continuing to work on a fix for this issue.
- **identified** 2026-02-25 20:25 UTC: We are continuing to work on a fix for this issue.
- **monitoring** 2026-02-25 21:36 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-02-25 21:45 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-02-25 19:10 UTC: [Major incident: Intermittent Email Validation Errors](https://rewindex.com/change/i682e20e541b66b.md)


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Canonical: https://rewindex.com/company/mailgun/incidents/z7vw4jqlm28h · Markdown: https://rewindex.com/company/mailgun/incidents/z7vw4jqlm28h.md · JSON: https://rewindex.com/api/v1/companies/mailgun/incidents/z7vw4jqlm28h · Generated 2026-10-18T09:58:28.239Z