如果调用并处理第三方网页来判断邮箱的有效性?

先说下我想干吗吧
我打算做个功能软件，来判断用户输入的邮箱地址的真实性的程序，我们半时经常见到留邮箱什么的，
有的是随便写的根本就不存在，如遇到这样的不诚实的人注册什么的，可以用程序来过滤掉。
我搜了下资料，发现，这个网站的邮箱验证功能非常准，正确率接近100%，
http://verify-email.org/我现在在想，有没办法利用这个网站，集成到自己的程序中去，即在自己的程序中，调用这个查询接口，来判断邮箱呢?理论上应该是可行的吧?可能要跨域什么之类的知识点吧，目前已能获取该网页的源码了，东东比较杂，接下来，我要怎么科学的处理有点迷茫啊，之前没做过相关的，怕走弯路，求大虾提供好的处理方法吧。

解决方案 »

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下面贴上我删减后的网页源码，有兴趣、有时间想练手的同学可以帮忙研究下怎么处理吧。<!doctype html>
<head>
  <link rel="stylesheet" href="/templates/verifyemail/html/com_jcomments/default/style.css?v=21" type="text/css" />
  <link rel="stylesheet" href="/templates/verifyemail/css/template.css.php?v=1.0.6" type="text/css" />
  <script src="/components/com_jcomments/js/jcomments-v2.3.js?v=8" type="text/javascript"></script>
  <script src="/components/com_jcomments/libraries/joomlatune/ajax.js?v=4" type="text/javascript"></script>
  <script src="/templates/verifyemail/js/modernizr.js" type="text/javascript"></script>
  <script src="/media/system/js/mootools-core.js" type="text/javascript"></script>
  <script src="/media/system/js/core.js" type="text/javascript"></script>
  <script src="/media/system/js/mootools-more.js" type="text/javascript"></script>
  <script src="/media/system/js/validate.js" type="text/javascript"></script>
  <script type="text/javascript">
function keepAlive() { var myAjax = new Request({method: "get", url: "index.php"}).send();}
window.addEvent("domready", function(){ keepAlive.periodical(3540000); });
window.addEvent('domready', function(){

new Form.Request(document.id('myForm'), document.id('result_box'), {
    requestOptions: {
        spinnerOptions: {
            message: 'Checking... please wait...'
        }
    }
});

document.id('checkemail').addEvent('change', function() {
document.id('findemail').value = document.id('checkemail').value;
});

});  </script>
  <link rel="apple-touch-icon-precomposed" href="/templates/verifyemail/apple-touch-icon-57x57.png"> 
  <link rel="apple-touch-icon-precomposed" sizes="72x72" href="/templates/verifyemail/apple-touch-icon-72x72.png"> 
  <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/templates/verifyemail/apple-touch-icon-114x114.png"> 

  <link href='http://fonts.googleapis.com/css?family=Open+Sans|Dosis' rel='stylesheet' type='text/css'>

<script type="text/javascript" src="/templates/verifyemail/bootstrap/js/bootstrap.min.js"></script>
<script type="text/javascript">
var $ = jQuery.noConflict();
</script>



<script type="text/javascript">  var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-1095323-18']);
  _gaq.push(['_trackPageview']);  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();</script>
</head>

<body>

<div class="container">


<div class="moduletable">
<div class="row hidden-phone"><div class="ads span6"><script type="text/javascript">

</script>
<script type="text/javascript"
  src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script></div><div class="search_mod span6"><h4><a href="http://www.email-unlimited.com/email_verifier_professional.html" target="_blank">Email Verifier</a> - Clean your lists from bad emails.</h4>
<h4><a href="http://www.email-unlimited.com/" target="_blank">Bulk Email Software</a> - Easy to use and powerful bulk email software.</h4>
<h4><a href="http://email-lists1.com/" target="_blank">Email Lists</a> - Targeted email lists at a wholesales rate.</h4>
<h4><a href="http://emailsearchtool.com/" target="_blank">Free Email Search</a> - Free people and email search engine</h4></div></div>

<br style="clear:both;">

<div class="search_module hero-unit">
<div class="row">
<div class="left12 span5">
<h2>Looking to verify an email?</h2>
<p>This email verification tool actually connects to the mail server and checks whether the mailbox exists or not.</p> </div>
<div class="text-block span5 hidden-phone">
<h2>What is being verified:</h2>
<ul>
<li>Format: "[email protected]"</li>
<li>Valid domain: "[email protected]" is not valid</li>
<li>Valid user: verify if the user and mailbox really exist</li>
</ul> </div>
</div>

<div class="item-separator"></div>

<div id="email" class="row">

<div class="span11">

<div class="">

<div class="span">
<form id="myForm" method="get" class="form-inline searchform form-validate" action="index.php">
<input id="checkemail" type="text" value="" name="check" class="required validate-email span5" />
<input type="hidden" name="option" value="com_emailverifier" />
<input type="hidden" name="view" value="emailverifier" />
<input type="hidden" name="layout" value="verify" />
<input type="hidden" name="format" value="raw" />
<input type="hidden" name="0aee635c162c132817fd3b079fe487a1" value="1" /> <input class="submit btn btn-large btn-danger span3" id="btn" type="submit" name="submitEmail" value="Verify">
</form>
</div>

<div class="span">
<form method="post" class="searchform left" action="http://emailsearchtool.com/" target="_blank">
<input id="findemail" type="hidden" value="" name="contactEmail"/>
<input class="form_submit span btn btn-small btn-success" id="btn_search" type="submit" name="submitEmail" value="More about this email...">
</form>
</div>

<br style="clear: both;" />

</div>

</div>

</div>

</div>
<br style="clear:both;">

<div class="resultsBox" id="result_box"></div>

</div>


<div style="height:100px;">


<div class="addthis_toolbox addthis_default_style hidden-phone" style="float:right; margin:3px; width: auto;">
<a class="addthis_counter"></a>
</div>
<script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=xa-4f3e31aa02b7e4db"></script>
<script type="text/javascript">
var addthis_config = {
data_track_address_bar: false,
data_track_clickback: false
};
</script>


<div id="fb-root"></div>
<script>
(function(d, s, id) {
  var js, fjs = d.getElementsByTagName(s)[0];
  if (d.getElementById(id)) return;
  js = d.createElement(s); js.id = id;
  js.src = "//connect.facebook.net/en_US/all.js#xfbml=1";
  fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
</script>
<div style="float:right; margin:3px" class="fb-like"  data-send="false" data-layout="box_count" data-width="45" data-show-faces="false"></div> 
<div style="float:right; margin:3px">
<g:plusone size="tall"></g:plusone>

<script type="text/javascript">
  (function() {
    var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
    po.src = 'https://apis.google.com/js/plusone.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
  })();
</script>
</div> <div style="float:right; margin:3px">
<a href="https://twitter.com/share" class="twitter-share-button" data-count="vertical">Tweet</a>
<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>
</div><div style="float:right; margin:3px">
<script src="//platform.linkedin.com/in.js" type="text/javascript"></script>
<script type="IN/Share" data-url="http://verify-email.org/" data-counter="top"></script>
</div></div>
</body>
</html>
</html>
用firebug 抓请求
http://verify-email.org/index.php?check=123%40qq.com&option=com_emailverifier&view=emailverifier&layout=verify&format=raw&ab65fee74a592b069d79709400a55275=1&submitEmail=Verify响应：
<div class="resultsBox">
<div class="alert alert-block alert-info  fade in">
<a class="close" data-dismiss="alert" href="#">×</a>
<p><h3>[email protected] - Result: Ok</h3></p>
</div>
<pre>MX record about qq.com exists.<br/>Connection succeeded to mx1.qq.com SMTP.<br/>220 newmx29.qq.com MX QQ Mail Server<br/>
> HELO verify-email.org<br/>250 newmx29.qq.com<br/>
> MAIL FROM: <[email protected]><br/>=250 Ok<br/>
> RCPT TO: <[email protected]><br/>=250 OK<br/>
</pre>
</div>
这样的，只能服务器端处理
是不是只要能提交URL：
http://verify-email.org/index.php?check=123%40qq.com&option=com_emailverifier&view=emailverifier&layout=verify&format=raw&ab65fee74a592b069d79709400a55275=1&submitEmail=Verify就有判断了?
不过，貌似把这个URL输入在浏览器中，没有响应输出啊，也不是没响应输出，输出的是：
Invalid Token. Please refresh the page and try again.这显然还是没法判断呢
不知，具体要怎么处理这个URL呢?
问题会不会出在ab65fee74a592b069d79709400a55275=1这个参数呢?貌似这个是加密的参数变量
要用开发人员工具，分析请求url,refer,请求头
重要的是参数。各参数的来源，意义。
我记得好像有个web服务来着！找不到了！
把url的头部部，重新做参，应该可以。
请求头部
Request URL:http://verify-email.org/index.php?check=yuhaomilan1%40sohu.com&option=com_emailverifier&view=emailverifier&layout=verify&format=raw&4a573152a10e819166ad4281981766b5=1&submitEmail=Verify返回值
<div class="resultsBox">
<div class="alert alert-block alert-error  fade in">
<a class="close" data-dismiss="alert" href="#">×</a>
<p><h3>[email protected] - Result: Bad</h3></p>
</div>
<pre>MX record about sohu.com exists.<br/>Connection succeeded to sohumx2.sohu.com SMTP.<br/>220 sohumxtc_211.sohu.com ESMTP Postfix<br/>
> HELO verify-email.org<br/>250 sohumxtc_211.sohu.com<br/>
> MAIL FROM: <[email protected]><br/>=452 4.3.1 Insufficient system storage<br/>
> RCPT TO: <[email protected]><br/>=503 5.5.1 Error: need MAIL command<br/>
421 4.7.0 sohumxtc_211.sohu.com Error: too many errors<br/>
</pre>
</div>
用FF来查看请求与响应的相关信息容易，但要怎么利用这些信息来写代码呢?第一次做网络这方面，没经验啊。
貌似直接用请求的URL放在浏览器地址栏中，没什么用呢。
问题是出在：ab65fee74a592b069d79709400a55275=1这个参数啊
你有没发现，每次查询后，这个参数都变掉了?
并且，你查询的这个参数，在我这边不能用，同样，我的在你那边也不能用，即这个参数一起在变
如果是固定了URL都能有正确的响应的话，那就解决了老兄，这个真没那么简单的了，貌似只能，先登录他们的网络，才能用的，间接的便用，似乎难啊。
你试下2楼的请求URL，输入到浏览器中，看能不能正确的返回值（答案是不行的呢，只有你自己查过一次后，并且在当前的浏览器中，再输入地址栏中，才会有返回值的，你换个浏览器，就不行了呢，难就难在这里了。）
理解错了，回去用iframe试试，试玩再回帖
<form action="index.php" class="form-inline searchform form-validate" method="get" id="myForm">
<input type="email" class="required validate-email span5" name="check" value="" id="checkemail" aria-required="true" required="required" aria-invalid="false">
<input type="hidden" value="com_emailverifier" name="option">
<input type="hidden" value="emailverifier" name="view">
<input type="hidden" value="verify" name="layout">
<input type="hidden" value="raw" name="format">
<input type="hidden" value="1" name="75a23218c425bd02446c2569e67862dd"> <input type="submit" value="Verify" name="submitEmail" id="btn" class="submit btn btn-large btn-danger span3">
</form>除了分析提交的那个请求。
还要分析，参数来源，意义。
参数来源，意义，需要分析之前的请求，以及javascript
用正则采集一下需要的几个参数就可以了
参数来源，意义，需要分析之前的请求……
之前没分析过相关的，水平有限，分析不来，哎，看来是无解了，不知道这里有没高人做出来可实用的demo了，有的话，共享下啊，话说不是懒惰不想写啊
主要是可用的URL弄不到，如此怎么分析响应呢，这个是难题的核心，不然，代码就好写了，
http://verify-email.org/index.php?check=123%40qq.com&option=com_emailverifier&view=emailverifier&layout=verify&format=raw&ab65fee74a592b069d79709400a55275=1&submitEmail=Verify
这个URL没用，应该是这个字段加密了ab65fee74a592b069d79709400a55275=1
ab65fee74a592b069d79709400a55275这个参数是可变的，为什么是可变的，这个还不好理解。