Prerequisites

 

Admin (root) access to Kerio Connect server

 

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Root Cause

 

Kerio Connect was picking the self-signed certificate instead of the valid SSL.

 

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Process

 

1. Stop Kerio Connect.

2. Navigate to the Kerio Connect installation folder. Defaults are:

   • Windows: C:\Program Files\Kerio\MailServer
   • macOS: /usr/local/kerio/mailserver
   • Linux: /opt/kerio/mailserver

3. Rename sslcert folder to sslcert.OLD.

4. Create a new folder and name it sslcert.

5. Copy the valid certificate and key from sslcert.OLD, as shown in the image below, and move it to the sslcert folder.

   

6. Start Kerio Connect.

 

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Validation

 

SSL certificate is now showing as valid.

 

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Related Article

 

Re-Issuing SSL Certificates in Kerio Connect

 

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