STARTTLS cannot be enforced. It will be used automatically if the benzeyen 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. Nisan 2022'bile WhatsApp, paylaşılan bir alanda çabucak fazla ekip sohbetinin var olmasına, https://setiathome.berkeley.edu/show_user.php?userid=12938329