- Plesk Onyx for Linux
- Plesk Onyx for Windows
It is required to secure the webmail interface of one of the domains. Is it possible to implement the certificate for just one of the configured domains, without changing the default certificate?
A wildcard SSL certificate or SSL certificate issued for a particular server is not working on
Use Let's Encrypt extension to secure webmail. Please check this article How to secure webmail using Let's Encrypt in Plesk Onyx
If you have your own SSL certificate, upload it in Domains > example.com > SSL/TLS certificates - Add and then:
- Go to Domains > example.com > Email Addresses > Mail Settings tab
- Choose the required certificate from SSL/TLS certificate for webmail drop-down menu.
- Go to Domains > example.com > SSL/TLS certificates .
- Select the required certificate.
- Press Secure Webmail
Note: It is not possible to add SSL certificates to webmail for domains which have no Hosting enabled.
The feature to secure webmail with SSL certificate was introduced in Plesk Onyx. For previous Plesk version consider upgrading to the latest version of Plesk.