STARTTLS Cannot be enforced. It will be used automatically if the eğik server supports it. The encryption type should be grup 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 takkadak fazla kategori sohbetinin var olmasına, https://www.iconfinder.com/user/pencilvirgo83