# Lightdash: Major incident: Email not sending

**Summary:** Lightdash reported a major email outage affecting Lightdash Cloud (EU) and Lightdash Cloud (US), including signup verification and password resets, starting 2024-06-17 19:03 UTC and lasting 10 h 7 min. Lightdash attributed it to its email provider’s outage; emails were processing again at 06-17 20:50 UTC, and the incident was resolved at 2024-06-18 05:10 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-06-17 19:03 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/7bkcn5cgvv5n](https://stspg.io/7bkcn5cgvv5n)
- [Company: Lightdash](https://rewindex.com/company/lightdash.md)
- Versions: before (none: first archived) → after incident\_version:68/7xv4wstyx8r6@9dbdd85efa3d
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Email not sending
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-06-17 19:03 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-06-18 05:10 UTC
```

**6. Added: Affected components**

```diff
+ Lightdash Cloud (EU), Lightdash Cloud - Lightdash Cloud (EU), Lightdash Cloud - Lightdash Cloud (US), Lightdash Cloud (US)
```

**7. Added: Update** (identified) · 2024-06-17 19:03 UTC

```diff
+ Users are not receiving emails from Lightdash, including verify emails on signup and password resets. We've identified that our email provider is experiencing an outage: https://status.postmarkapp.com/notices/zno1dlxjdjmblc0d-service-issue-outbound-sending-and-inbound-processing-messages-are-being-accepted-and-queued We're monitoring the status of our external provider while we setup a backup email service.
```

**8. Added: Update** (monitoring) · 2024-06-17 20:50 UTC

```diff
+ Emails are processing again, we are monitoring our external provider.
```

**9. Added: Update** (resolved) · 2024-06-18 05:10 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-06-17 19:03 UTC | Major incident: Email not sending (this change) | outage |

All Lightdash changes: [timeline](https://rewindex.com/company/lightdash/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._


---
Canonical: https://rewindex.com/change/iefa4105d21f0a0 · Markdown: https://rewindex.com/change/iefa4105d21f0a0.md · JSON: https://rewindex.com/api/v1/changes/iefa4105d21f0a0 · Generated 2026-10-18T02:55:23.994Z