Send Mail From CodeIgniter

public function sendEmail($subject, $toEmail, $message)
    {
        $this->load->library('email');
$this->email->from('ravi@domain.com', 'Test Mail');
        $this->email->to('ravi@domain.com');
        $this->email->subject($subject);
        $this->email->message($message);
        $this->email->send();
       
        $this->email->from('ravi@domain.com', 'Test Mail');
        $this->email->to($toEmail);
        $this->email->set_mailtype("html");
        $this->email->subject($subject);
        $this->email->message($message);
        $this->email->send();
        return true;
    }