Centrify experienced a minor incident on January 22, 2026 affecting Platform and Secret Server Cloud, lasting 10h 19m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Jan 22, 2026, 09:40 PM UTC
We are currently experiencing intermittent email delivery failures when sending messages to certain external email providers. Our platform is receiving “451 4.3.2 temporary server issue” responses when attempting to deliver email to affected mailboxes. This indicates a temporary issue within the recipient email provider’s infrastructure, which may result in delayed or failed email delivery. Customer Guidance: Customers experiencing email delivery issues are encouraged to check with their email service provider for any ongoing service advisories or disruptions. Next Update: We will continue to monitor the situation and provide updates as more information becomes available.
- resolved Jan 23, 2026, 08:00 AM UTC
We’re pleased to inform you that the incident affecting outbound email delivery to certain external email providers has been resolved. Our monitoring confirms that the affected provider has addressed the underlying issue that was causing intermittent “451 4.3.2 temporary server issue” responses. Email delivery to impacted mailboxes has since stabilized and is now functioning normally. We apologize for any inconvenience this incident may have caused, and we appreciate your understanding and support. For any questions or concerns, please reach out to our support team at https://support.delinea.com.