Mqtt ssl/tls

I am trying to get MQTT ssl\tls to work but cant get it to work I am getting this error.

OpenSSL Error: error:1408F10B:SSL routines:ssl3_get_record:wrong version number

broker: (Broker}
port: 8883
username: !secret mqtt_username
password: !secret mqtt_password
client_cert: /ssl/fullchain.pem
client_key: /ssl/privkey.pem

This is so I can mqtt eventstream sensors to main HA