-<form action="{!URL!}/modules.php?module=admin&what=config_newsletter" method="POST">
+<form action="{!URL!}/modules.php?module=admin&what=config_newsletter" method="post">
<table border="0" cellspacing="0" cellpadding="0" align="center" class="admin_table dashed">
<tr>
<td class="admin_title bottom2 seperator" width="10" height="30"> </td>