Expel experienced a minor incident on June 18, 2026 affecting Email and Slack and 1 more component, lasting 2h 51m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 18, 2026, 08:37 PM UTC
At 2pm ET, we began experiencing a problem with our notification system that is causing notification delays to our customers. We will provide an update by 5pm ET.
- identified Jun 18, 2026, 09:05 PM UTC
We've identified the cause of the delayed notifications as an issue with a third-party notification vendor. A fix is currently being applied. Workbench notifications have been delayed since 19:09 UTC, and we'll provide another update at 21:30 UTC.
- identified Jun 18, 2026, 09:35 PM UTC
Workbench notifications continue to be delayed since 19:09 UTC due to an issue with a third-party notification vendor. They are working on a fix. All delayed notifications will be processed once the outage is resolved. Next update 22:00 UTC
- monitoring Jun 18, 2026, 10:13 PM UTC
The cause of the notification delays has been resolved and we are observing delayed messages being delivered. All delayed notifications will be processed and we will continue to monitor.
- resolved Jun 18, 2026, 11:28 PM UTC
All delayed messages have been delivered and the notifications system is fully operational.