Enviar email con Codeigniter

send_mail

 public function enviar_correo_codeigniter($email, $asunto, $contenido){
        
        // Email configuration
        $config = Array(
            'protocol' => 'smtp',
            'smtp_host' => 'smtp.tuhost.cl',
            'smtp_port' => 465,
            'smtp_user' => 'TUCORREO', // change it to yours
            'smtp_pass' => 'TUPASS', // change it to yours
            'mailtype' => 'html',
            'charset' => 'iso-8859-1',
            'wordwrap' => TRUE
        );

        $this->load->library('email', $config);
        $this->email->from('TUCORREO', "Admin Team");
        $this->email->to($email);
        $this->email->subject($asunto);
        $this->email->message($contenido);

        $data['message'] = "Sorry Unable to send email...";
        if ($this->email->send()) {
            $data['message'] = "Mail sent...";
            echo "enviado";
        }
    }