- Webmail is secured with an SSL certificate using the following KB article:
How to install SSL certificate on webmail in Plesk Onyx
Accessing webmail page in a browser throws security warning:
CONFIG_TEXT: The certificate is only valid for the following names: www.example.com, example.com
Error code: SSL_ERROR_BAD_CERT_DOMAIN
The certificate was not issued to CN (Common Name)
Install a new SSL certificate (Domains > example.com > SSL/TLS Certificates) which will be valid for
webmail.example.com CN as well.