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<?php
$q=$_GET["q"];
set_time_limit(0);
require_once('../_config.php');
function sWrite( $socket, $data, $echo = true ){
if( $echo ) $data;
fputs( $socket, $data );
$answer = fread( $socket, 1 );
$remains = socket_get_status( $socket );
if( $remains --> 0 ) $answer .= fread( $socket, $remains['unread_bytes'] );
return $answer;
}
// $result = mysql_query("SELECT DISTINCT SUBSTRING_INDEX(email,'@',-1) as name,id FROM fes_mail_user WHERE id_cat = '".$q."' ORDER BY SUBSTRING_INDEX(email,'@',-1)");
$result = mysql_query("SELECT id,email FROM ".$INFO['sql_tbl_prefix']."mail_user WHERE id_cat = '".$q."' LIMIT 1");
$i=1;
if(mysql_num_rows($result) > 0){?>
<?php echo date("H:i:s",time())?>
<table class="table table-bordered">
<tr>
<th>##</th>
<th><?php echo __('Domain');?></th>
<th><?php echo __('MX target');?></th>
<th></th>
</tr>
<?php
while($dom = mysql_fetch_array($result, MYSQL_ASSOC))
{
$mx = dns_get_record(end(explode("@",trim($dom['email']))), DNS_MX );
?>
<tr>
<td><?php echo $i++?></td>
<td><?php echo end(explode("@",trim($dom['email'])))?></td>
<td><?php
echo $mx = $mx[0]['target'];
?></td>
<td><?php
$socket = fsockopen( $mx, 25, $errno, $errstr, 10 );
if( !$socket ){
echo "$errstr ($errno)";
}else{
sWrite( $socket, "" );
sWrite( $socket, "EHLO ".$INFO['base_url']."\r\n" );
sWrite( $socket, "MAIL FROM: ".$INFO['email_from']."\r\n" );
$response = sWrite( $socket, "RCPT TO: ".trim($dom['email'])."\r\n" );
$response;
sWrite( $socket, "QUIT\r\n" );
fclose( $socket );
if( substr_count( $response, "550" ) > 0 ) echo "Required email address does not exist.";
else if( substr_count( $response, "250" ) > 0 ) if( substr_count( $response, "OK" ) > 0 ) echo "Required email address exists.";
else echo "Email address accepted but it looks like the server is working as a relay host.";
else echo "Required email address existence was not recovered. Last response:\n ---\n$response ---";
}
?></td>
</tr>
<?php } ?>
</table>
<?php echo date("H:i:s",time())?>
<?php }?>