It can be activated in 3 steps from SWPanel.
1. Type the domain name in the SWPanel search engine on which you want to activate Email with TLS certificate.
2. Once in the Dashboard of the service, we activate **Email with TLS certificate **.
3. Check the check-box to accept the TLS activation and click on Create SSL and activate TLS. Once the action is completed, you will have the TLS certificate installed in your service.
Manuals that may be of interest to you:
Requirements for the validation of a TLS Let's Encrypt certificate request for your Hosting mail