anchor.diff:                      "server_name": "imap.example.com.br",
                       "username": "paulo.pizarro",
                       "password": "4567",
  -                    "connection_security": "SSL/TLS"
  +                    "connection_security": "SSL/TLS",
                       "authentication_method": "TLS certificate",
                       "check_timeout": "10",
                       "leave_message": "true"
  
positive.code:                     "server_port": "465",
                      "username": "paulo.pizarro",
                      "password": "4567",
                      "connection_security": "SSL/TLS"
                      "authentication_method": "TLS certificate"
                  },
                  "incoming_server":
  
negative.code:                     "server_port": "993",
                      "username": "paulo.pizarro",
                      "password": "4567",
                      "connection_security": "SSL/TLS",
                      "authentication_method": "TLS certificate",
                      "check_timeout": "10",
                      "leave_message": "true"
  