Mesh Security incident
Slow Message Delivery to Microsoft Services
Mesh Security experienced a minor incident on January 23, 2026 affecting Inbound Email Security, lasting 8h 5m. The incident has been resolved; the full update timeline is below.
Affected components
Inbound Email Security
Update timeline
- monitoring Jan 23, 2026, 06:31 AM UTC
Spoke too soon. Apologies for the miscommunication. Outbound processing queues have returned to normal. There is still a heavy queue Inbound on the US infrastructure with delivery into 365 static. Microsoft are reporting that all services are operational we will continue to monitor ...
- monitoring Jan 23, 2026, 07:51 AM UTC
We expect all messages to be delivered in ~30 mins. New emails are being delivered as normal.
- resolved Jan 23, 2026, 02:36 PM UTC
Mail delivery is functioning as expected. We're continuing to monitor the situation. We're closing out this status.