Check if a an email address is a free email service
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/8234297/detecting-free-email-addresses">Detecting Free Email Addresses</a><br>
  <a href="http://stackoverflow.com/questions/8271578/check-if-a-an-email-address-is-not-a-free-webmail-hotmail-yahoo">Check if a an email address is not a &ldquo;free webmail&rdquo; (hotmail, yahoo&hellip;)</a>  </p>
</blockquote>



<p>I already refer to <a href="http://stackoverflow.com/questions/8271578/check-if-a-an-email-address-is-not-a-free-webmail-hotmail-yahoo">this</a> link, but I don't know how to do javascript that validate not only three main free email such as <code>yahoo</code>, <code>hotmail</code> and <code>gmail</code> but also other <a href="http://email.about.com/od/freeemailreviews/tp/free_email.htm" rel="nofollow">free</a> email. can anyone help me?</p>

<p>The main purpose is to allow user that have pay email service or company email only send the feedback to our website.</p>

<p>Thank You...</p>
