# Mailgun: Delayed sending in EU

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2026-05-25 12:18 UTC · Resolved: 2026-05-25 15:55 UTC · Duration: 3.6 h
- Updates: 10 · Affected components: Email Services - Outbound Delivery, Outbound Delivery, API, Email Services - API
- [Vendor status page: https://stspg.io/n5wrscxc3mtm](https://stspg.io/n5wrscxc3mtm)
- [Company: Mailgun](https://rewindex.com/company/mailgun.md)

## Summary

Mailgun reported critical delayed sending in the EU affecting API and Outbound Delivery services, starting 2026-05-25 12:18 UTC and resolved at 2026-05-25 15:55 UTC, with a reported duration of 3 h 36 min. A fix was implemented and monitored; no cause was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-05-25 12:18 UTC: We are currently investigating this issue.
- **investigating** 2026-05-25 12:48 UTC: We are continuing to investigate this issue.
- **investigating** 2026-05-25 12:59 UTC: A fix has been implemented and we are monitoring the results.
- **monitoring** 2026-05-25 13:00 UTC: A fix has been implemented and we are monitoring the results.
- **investigating** 2026-05-25 13:38 UTC: We are currently investigating this issue.
- **investigating** 2026-05-25 14:10 UTC: We are continuing to investigate this issue.
- **identified** 2026-05-25 14:46 UTC: The issue has been identified and a fix is being implemented.
- **identified** 2026-05-25 15:35 UTC: We are continuing to work on a fix for this issue.
- **monitoring** 2026-05-25 15:45 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-05-25 15:55 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-05-25 12:18 UTC: [Critical incident: Delayed sending in EU](https://rewindex.com/change/i7e26dc935bbca9.md)


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Canonical: https://rewindex.com/company/mailgun/incidents/xdlnv85rl42x · Markdown: https://rewindex.com/company/mailgun/incidents/xdlnv85rl42x.md · JSON: https://rewindex.com/api/v1/companies/mailgun/incidents/xdlnv85rl42x · Generated 2026-10-18T12:35:27.122Z