setup.php파일 42째줄

; E-Mail 의 MX를 검사하여 허위 E-Mail인지 검사 ( true : 허위 E-Mail 검사, false : 검사안함)
check_email = true <- 요기

 하신 분만 보세요...

lib.php파일 859째줄

function mail_mx_check($email) {
         if(!ismail($email)) return false;
         list($user, $host) = explode("@", $email);
         if (checkdnsrr($host, "MX") or checkdnsrr($host, "A")) return true;
         else return false;
 }

을

function mail_mx_check($email) {
         if(!ismail($email)) return false;
         list($user, $host) = explode("@", $email);
         if ($_ENV["OS"]=="Windows_NT") {
                 $function = "checkdnsrr_winNT";
         }        else {
                 $function = "checkdnsrr";
         }
         if ($function($host, "MX") or $function($host, "A")) return true;
         else return false;
 }

으로 바꾸고
 그 밑에

/******************************************************

These functions can be used on WindowsNT to replace
 their built-in counterparts that do not work as
 expected.

 checkdnsrr_winNT() works just the same, returning true
 or false

 getmxrr_winNT() returns true or false and provides a
 list of MX hosts in order of preference.

 *******************************************************/

 function checkdnsrr_winNT( $host, $type = '' )
 {

     if( !empty( $host ) )
     {

         # Set Default Type:
         if( $type == '' ) $type = "MX";

         @exec( "nslookup -type=$type $host", $output );

         while( list( $k, $line ) = each( $output ) )
         {

             # Valid records begin with host name:
             if( eregi( "^$host", $line ) )
             {
                 # record found:
                 return true;
             }

         }

         return false;

     }

 }