php script to Verify a User’s Email Address
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/201323/what-is-the-best-regular-expression-for-validating-email-addresses">What is the best regular expression for validating email addresses?</a><br>
  <a href="http://stackoverflow.com/questions/5285604/php-script-that-test-e-mail-address">Php script that test e-mail address</a>  </p>
</blockquote>



<p>Can anyone suggest me is there a php script to Verify a User’s Email Address.
I want to know user entered email is valid or not(email working or not).</p>
