- Plesk Onyx for Linux
- Plesk Onyx for Windows
How to secure a mail server with an SSL certificate in Plesk?
- Log into Plesk UI as administrator.
Open tab Tools & Settings then click SSL/TLS Certificates.
On the SSL/TLS Certificates page, click Browse... to select a certificate file. Then click Upload Certificate.
Click [Change] next to Certificate for securing mail > select an uploaded certificate > click OK. Now mail server is secured with an SSL certificate.
For more information about securing mail server, visit: