According to the email address go to the email site

                    $email_arr = explode('@',$my_email);
                    $email = array_pop($email_arr);
                    $mail_list = array(
                        'qq.com'=> 'http://mail.qq.com',
                        'gmail.com'=>'http://mail.google.com',
                        'sina.com'=> 'http://mail.sina.com.cn',
                        '163.com'=> 'http://mail.163.com',
                        '126.com'=> 'http://mail.126.com',
                        'yeah.net'=> 'http://www.yeah.net/',
                        'sohu.com'=>'http://mail.sohu.com/',
                        'tom.com'=> 'http://mail.tom.com/',
                        'sogou.com'=>'http://mail.sogou.com/',
                        '139.com'=> 'http://mail.10086.cn/',
                        'hotmail.com'=> 'http://www.hotmail.com',
                        'live.com'=> 'http://login.live.com/',
                        'live.cn'=> 'http://login.live.cn/',
                        'live.com.cn'=> 'http://login.live.com.cn',
                        '189.com'=> 'http://webmail16.189.cn/webmail/',
                        'yahoo.com.cn'=> 'http://mail.cn.yahoo.com/',
                        'yahoo.cn'=> 'http://mail.cn.yahoo.com/',
                        'eyou.com'=> 'http://www.eyou.com/',
                        '21cn.com'=>'http://mail.21cn.com/',
                        '188.com'=>'http://www.188.com/',
                        'foxmail.coom'=> 'http://www.foxmail.com'
                    );
                    if($email)
                    {
                        $mail_link = $mail_list[$mail];
                    }