# Telnyx: Major incident: Email API messages rejected with gw_reject// injection_failed

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-10-12 08:31 UTC · Detected: 2026-10-19 17:33 UTC
- [Source: https://status.telnyx.com/incidents/01M4QKT11D4C6QGT35F50HQ4WP](https://status.telnyx.com/incidents/01M4QKT11D4C6QGT35F50HQ4WP)
- [Company: Telnyx](https://rewindex.com/company/telnyx.md)
- Versions: before (none: first archived) → after incident\_version:705/01M4QKT11D4C6QGT35F50HQ4WP@34dc6de29959
- Change 1 of 1 for this incident

Incident page (full timeline): [Email API messages rejected with gw\_reject// injection\_failed](https://rewindex.com/company/telnyx/incidents/01M4QKT11D4C6QGT35F50HQ4WP.md)
## What changed

**1. Added: Title**

```diff
+ Email API messages rejected with gw_reject// injection_failed
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-12 08:31 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-12 13:58 UTC
```

**6. Added: Update** (investigating) · 2026-10-12 08:31 UTC

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

**7. Added: Update** (monitoring) · 2026-10-12 09:36 UTC

```diff
+ Email sending through the Telnyx Email API was unavailable during the following periods:   • 9th October, approximately 21:10–22:05 UTC. • 10th October at approximately 22:15 UTC until 12th October at 09:25 UTC.   New send requests during these periods failed with gw_reject// injection_failed. Messages already queued before each interruption continued to be sent. Customers can retry messages that failed during the affected periods.   Service has been restored following a mitigation. We are monitoring stability and working on a permanent fix.
```

**8. Added: Update** (resolved) · 2026-10-12 13:58 UTC

```diff
+ We have confirmed reports that Email API deliverability has now improved.  Email sending through the Telnyx Email API was unavailable during the following periods: - 9th October, approximately 21:10–22:05 UTC. - 10th October at approximately 22:15 UTC until 12th October at 09:25 UTC. A service restart by our engineers stabilised deliverability after 12th October at 09:25 UTC and resolved the issue.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-12 08:31 UTC | Major incident: Email API messages rejected with gw\_reject// injection\_failed (this change) | major |

All Telnyx changes: [timeline](https://rewindex.com/company/telnyx/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/if0d120104701d2 · Markdown: https://rewindex.com/change/if0d120104701d2.md · JSON: https://rewindex.com/api/v1/changes/if0d120104701d2 · Generated 2026-10-19T21:56:32.037Z