Major incident

Greenhouse: Microsoft 365 Delivery Issues

Affected: Silo 1, Silo 2, Silo 3, Silo 4, Silo 5, Silo 6, Silo 7, Silo 8, Silo 9, Silo 101, Silo 201

Current status of Greenhouse: Operational — live Greenhouse status

Timeline

1. Jun 19, 2026, 17:24 UTC
   investigating
   We are currently investigating an issue where emails may not be sent for customers using custom SMTP routes with Microsoft 365.
2. Jun 19, 2026, 18:39 UTC
   identified
   The issue has been identified and a fix is being implemented.
3. Jun 19, 2026, 21:49 UTC
   monitoring
   A fix has been implemented and we are monitoring the results.
4. Jun 19, 2026, 22:23 UTC
   monitoring
   We are continuing to monitor for any further issues.
5. Jun 19, 2026, 22:24 UTC
   resolved
   This incident has been resolved.

Updates as published by Greenhouse (original).