Mimecast experienced a minor incident on September 2, 2026 affecting Offshore Grid and Offshore Grid (Offshore Grid — Administration Console) and 1 more component, lasting 2h 53m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Sep 02, 2026, 06:51 PM UTC
We have identified the cause of a service disruption affecting some customers hosted on our JER grid, which may be impacting authentication and mail flow. We continue to accept mail like normal but processing and delivery may be delayed. Our teams are actively working on a resolution, and further updates will be posted here as they become available.
- monitoring Sep 02, 2026, 08:31 PM UTC
We have implemented mitigation steps to address the service disruption affecting some customers hosted on our JER grid, including issues with authentication and mail flow. We are no longer seeing errors and mail processing and delivery are operating normally. Our Engineering team will continue to closely monitor availability and performance to ensure ongoing stability.