# Mailgun: Critical incident: EU Messaging Outage

**Summary:** Mailgun reported a critical EU messaging outage affecting API, SMTP, inbound email processing, outbound delivery, events and logs, and stats and analytics. It started at 2026-09-04 14:16 UTC and was resolved at 2026-09-04 14:33 UTC, lasting 17 min; a fix was implemented by 09-04 14:21 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-04 14:16 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/yzwlpl2mf3d2](https://stspg.io/yzwlpl2mf3d2)
- [Company: Mailgun](https://rewindex.com/company/mailgun.md)
- Versions: before (none: first archived) → after incident\_version:251/f6h17wj73w55@fd006e155c6d
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ EU Messaging Outage
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-04 14:16 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-04 14:33 UTC
```

**6. Added: Affected components**

```diff
+ API, Email Services - API, Email Services - Events & Logs, Email Services - Inbound email processing, Email Services - Outbound Delivery, Email Services - SMTP, Email Services - Stats and Analytics, Events & Logs, Inbound email processing, Outbound Delivery, SMTP, Stats and Analytics
```

**7. Added: Update** (investigating) · 2026-09-04 14:16 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (monitoring) · 2026-09-04 14:21 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**9. Added: Update** (resolved) · 2026-09-04 14:33 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-04 14:16 UTC | Critical incident: EU Messaging Outage (this change) | outage |

All Mailgun changes: [timeline](https://rewindex.com/company/mailgun/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/ib792a033f6e584 · Markdown: https://rewindex.com/change/ib792a033f6e584.md · JSON: https://rewindex.com/api/v1/changes/ib792a033f6e584 · Generated 2026-10-18T03:32:08.484Z