Mimecast incident

Service Disruption and Mail Delivery Delays

Resolved after 2 hours 53 minutes, affecting Offshore Grid and Offshore Grid (Offshore Grid — Administration Console) and 1 more, on September 2, 2026.

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.

Started
Sep 02, 2026, 06:51 PM UTC
Resolved
Sep 02, 2026, 09:45 PM UTC
Duration
2h 53m
Detected by Pingoru
Sep 02, 2026, 06:51 PM UTC

Affected components

Offshore GridOffshore Grid (Offshore Grid — Administration Console)Offshore Grid (Offshore Grid — Email Processing)Offshore Grid (Offshore Grid — Authentication)

Update timeline

  1. 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.

  2. 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.

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