The Let's Encrypt Plesk extension allows you to secure your server with free SSL/TLS certificates from Let's Encrypt, a free and open Certificate Authority. You can secure Plesk and the mail server, as well as any hosted domains, subdomains, and domain aliases. Securing your server with Let's Encrypt certificates is quick and easy, and can be done with a few clicks from the Plesk interface. The Let's Encrypt extension automatically keeps all issued certificates up-to-date to give you peace of mind.
Here is what you can do with the Let's Encrypt extension: