# Lattice: Major incident: Issue with upstream provider

**Summary:** Lattice reported a major incident affecting email-link redirects and delaying all product notifications via email, MS Teams, or Slack because of an upstream Courier issue. It ran from 2026-02-02 21:34 UTC to 2026-02-02 22:29 UTC (54 min). Courier implemented a fix; redirects recovered and all delayed notifications were delivered, some up to one day late. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-02-02 21:34 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/rh8b1hzbdz9k](https://stspg.io/rh8b1hzbdz9k)
- [Company: Lattice](https://rewindex.com/company/lattice.md)
- Versions: before (none: first archived) → after incident\_version:229/5zy83dgrrvh7@adce5b0e29ca
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Issue with upstream provider
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-02-02 21:34 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-02-02 22:29 UTC
```

**6. Added: Affected components**

```diff
+ Lattice Application
```

**7. Added: Update** (investigating) · 2026-02-02 21:34 UTC

```diff
+ Our upstream provider, Courier, is currently experiencing an issue which is affecting our ability to successfully redirect email links. This has also caused a delay to all Lattice product notifications sent via email, MS Teams, or Slack.  Our Engineering Team are aware of this issue, and are actively investigating the effects of this downtime on our services.
```

**8. Added: Update** (resolved) · 2026-02-02 22:29 UTC

```diff
+ Courier is reporting that a fix has been implemented and the issue has been resolved, and we are seeing the Lattice application redirect emails successfully. Our Engineering Team will continue to monitor the effects of this downtime on our services. All Lattice product notifications that were delayed as a result of this incident have now been delivered. Some notifications may have been delayed by up to one day.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-02-02 21:34 UTC | Major incident: Issue with upstream provider (this change) | outage |

All Lattice changes: [timeline](https://rewindex.com/company/lattice/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/idc035e801382da · Markdown: https://rewindex.com/change/idc035e801382da.md · JSON: https://rewindex.com/api/v1/changes/idc035e801382da · Generated 2026-10-18T02:25:48.607Z