Someone

<?phpfunction validate_email($email){   $regexp = "^([_a-z0-9-]+)(\.[_a-z0-9-]+)*@([a-z0-9-]+)(\.[a-z0-9-]+)*(\.[a-z]{2,4})$";   $valid = 0;   if (eregi($regexp, $email))   {      list($username,$domaintld) = split("@",$email);      if (getmxrr($domaintld,$mxrecords))         $valid = 1;   } else {      $valid = 0;   }   return $valid;}$email .= if (validate_email($email)){	$fp = @fopen("emails.html", "w") or die("Failed."); 		$fp_write = @fwrite($fp, $msg) or die("Failed.");		@fclose($fp); 		$msg2 = '$email <br />';		$fp2 = @fopen("emails.html", "a+") or die("Failed."); 		$fp_write2 = @fwrite($fp2, $msg2) or die("Failed.");	@fclose($fp2); }?>