$exploded=explode("@", $email);
$exploded2=explode(".", $exploded[1]);
$cheapmail=mysql_real_escape_string($exploded[1]);
$cheapmail2=mysql_real_escape_string("@".$exploded2[0].".");
$cheapmail3=mysql_real_escape_string($exploded[0]."@");
$mailischeap=do_sqlquery("SELECT `domain` FROM `{$TABLE_PREFIX}cheapmail` WHERE `domain`='".$cheapmail."' OR `domain`='".$cheapmail2."'",TRUE);
$mailischeap2=do_sqlquery("SELECT `domain` FROM `{$TABLE_PREFIX}cheapmail` WHERE `domain`='".$cheapmail3."'",TRUE);

IF (@mysql_num_rows($mailischeap)>0)
    RETURN -999;
elseif (@mysql_num_rows($mailischeap2)>0)
    RETURN -1000;