ci 用本身 email 类发 email

 //比如 在控制器用 email 方法发送邮件
//用126的smtp 发送,示例邮件为 myemail@126.com 密码为 password
    public function email()
    {
        $config = array('protocol'=>'smtp',
                    'smtp_host' => 'smtp.126.com',
                    'smtp_user' => 'myemail',
                    'smtp_pass' => 'password',
                    'smtp_port' => '',
                    '_smtp_auth' => TRUE,
                    'wordwrap' => TRUE
        );
        $this->load->library('email', $config);

        // 具体参数看手册
        $this->email->from('myemail@126.com', 'myemail');
        $this->email->to('000000@qq.com');
        $this->email->cc('0000@qq.com');
        $this->email->bcc('0000@163.com');

        $this->email->subject('php ci subject');
        $this->email->message('php ci message');
        $this->email->send();

        print_r($this->email->print_debugger());
    }