How to enables SSL on webmail.domain.tld

In order to secure your roundcube webmail with your SSL certificate you need to follow below steps in your Plesk CP.

  1. Go to Server -> SSL Certificates -> Add your SSL certificate here if you haven’t already.
  2. Go to Server -> IP Addresses -> [your public IP] -> Change the SSL certificate to the certificate you added in Step 1
  3. Add

    to /etc/apache2/plesk.conf.d/roundcube.htaccess.inc somewhere after “RewriteEngine On”

Enjoy your https://webmail.domain.tld.