Mesh Security incident

Slow Message Delivery to Microsoft Services

Minor Resolved View vendor source →

Mesh Security experienced a minor incident on January 22, 2026 affecting Inbound Email Security and Inbound Email Security and 1 more component, lasting 10h 7m. The incident has been resolved; the full update timeline is below.

Started
Jan 22, 2026, 08:10 PM UTC
Resolved
Jan 23, 2026, 06:18 AM UTC
Duration
10h 7m
Detected by Pingoru
Jan 22, 2026, 08:10 PM UTC

Affected components

Inbound Email SecurityInbound Email SecurityOutbound Email SecurityOutbound Email Security

Update timeline

  1. monitoring Jan 22, 2026, 08:10 PM UTC

    We're currently monitoring a situation affecting message delivery to Microsoft Services. https://x.com/MSFT365Status/status/2014422298506285161

  2. monitoring Jan 22, 2026, 08:17 PM UTC

    We're continuing to monitor the issue and will keep you abreast of any official developments. We recommend for our impacted customers to also follow. https://status.cloud.microsoft/m365/

  3. resolved Jan 23, 2026, 06:18 AM UTC

    Microsoft are reporting the issue as largely resolved. Queues have returned to normal Outbound services but we're still processing a significant backlog Inbound on our US infrastructure. We will continue to monitor.