Php 使用带有 codeigniter 邮箱库的 gmail smtp 发送邮箱

<?php
class Email extends Controller {

    function Email()
    {
        parent::Controller();   
        $this->load->library('email');
    }

    function index()
    {
        $config['protocol']    = 'smtp';
        $config['smtp_host']    = 'ssl://smtp.gmail.com';
        $config['smtp_port']    = '465';
        $config['smtp_timeout'] = '7';
        $config['smtp_user']    = 'mygmail@gmail.com';
        $config['smtp_pass']    = '*******';
        $config['charset']    = 'utf-8';
        $config['newline']    = "\r\n";
        $config['mailtype'] = 'text'; // or html
        $config['validation'] = TRUE; // bool whether to validate email or not      

        $this->email->initialize($config);

        $this->email->from('mygmail@gmail.com', 'myname');
        $this->email->to('target@gmail.com'); 

        $this->email->subject('Email Test');
        $this->email->message('Testing the email class.');  

        $this->email->send();

        echo $this->email->print_debugger();

        $this->load->view('email_view');
    }
}

我得到了这个错误:

A PHP Error was encountered
Severity: Warning
Message: fsockopen() [function.fsockopen]: unable to connect to ssl://smtp.gmail.com:465 (Connection timed out)
Filename: libraries/Email.php
Line Number: 1641

使用PORT 25/587

我犯了这个错误:

A PHP Error was encountered
Severity: Warning
Message: fsockopen() [function.fsockopen]: SSL operation failed with code 1. OpenSSL Error messages: error:140770FC:SSL routines:func(119):reason(252)
Filename: libraries/Email.php
Line Number: 1641

我现在不想用phpmailer.(实际上，我曾try 使用phpmailer，但失败了).

伙计们，我该怎么解决这个问题？