Troubleshooting MQTT SSL Error: Ensuring Secure Communication for Smart Home

Hey guys I decided to use MQTT for my smart home energy management application, but now I'm encountering an SSL handshake error when trying to establish a secure connection between my smart thermostat and MQTT broker. I've tried updating my thermostat's SSL certificates, but the issue persists. Should I
I continue troubleshooting MQTT SSL configuration or find other approach to ensure secure and reliable communication for my smart home application?
If yes which approach do you think is best? @IoT Cloud
Solution
  1. Check the thermostat's SSL certificates.
  2. Verify the MQTT broker's SSL configuration.
  3. Check network connectivity and firewall settings.
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