Outage in Duo Security
All Deployments: Email delivery issues
Resolved MinorIncident Report
We are currently investigating an issue affecting email delivery.
Our team is working to identify the root cause and restore full functionality as quickly as possible.
We'll provide updates as soon as more information becomes available.
Authentication is not impacted.
Thank you for your patience.
Components affected
Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin PanelNeed to monitor Duo Security outages?
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Latest Updates ( sorted recent to last )
RESOLVED
about 22 hours ago - at 10/20/2025 11:20AM
The issue affecting email delivery has been resolved. System performance has remained stable, and all services are functioning normally across deployments.
We’ll continue to monitor to ensure ongoing reliability. Thank you for your patience throughout this incident.
IDENTIFIED
1 day ago - at 10/20/2025 09:44AM
We have identified the cause of the issue with email delivery with the Duo Admin Panel and are actively working to restore service.
INVESTIGATING
1 day ago - at 10/20/2025 07:54AM
We are currently investigating an issue affecting email delivery.
Our team is working to identify the root cause and restore full functionality as quickly as possible.
We'll provide updates as soon as more information becomes available.
Authentication is not impacted.
Thank you for your patience.
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