Outage in Sonar

Mandrill Inbound Email Connection Errors

Resolved Major
August 13, 2025 - Started 12 days ago - Lasted about 2 hours
Official incident page

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Outage Details

An upstream SSL/TLS certificate was unexpectedly revoked by our certificate vendor during their investigation of a Certificate Authority issue. We promptly reissued a new SSL certificate, but inbound HTTPS connections from Mandrill are now failing TLS validation because Mandrill has not yet updated to the correct CA root. We are actively coordinating with both the certificate provider and Mandrill to restore normal service.
Components affected
Sonar Mandrill Email Processing
Latest Updates ( sorted recent to last )
RESOLVED 12 days ago - at 08/13/2025 08:05PM

This incident has been resolved.

MONITORING 12 days ago - at 08/13/2025 07:08PM

The Certificate Authority has implemented a fix. Mandrill is currently processing a backlog of emails to Sonar, and deliveries may be delayed by up to 10 minutes while the Mandrill backlog queue clears.

INVESTIGATING 12 days ago - at 08/13/2025 06:17PM

An upstream SSL/TLS certificate was unexpectedly revoked by our certificate vendor during their investigation of a Certificate Authority issue. We promptly reissued a new SSL certificate, but inbound HTTPS connections from Mandrill are now failing TLS validation because Mandrill has not yet updated to the correct CA root. We are actively coordinating with both the certificate provider and Mandrill to restore normal service.

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