STARTTLS cannot be enforced. It will be used automatically if the eğik server supports it. The encryption type should be seki to ‘None/STARTTLS’ in this case. See here for an example on how to configure self signed certificates. DuckDuckGo’s homepage is similar to Google’s, except that there is only one https://www.metooo.es/u/6874303b2d0fec4454c01b0a