-<form action="{!URL!}/modules.php?module=admin&what=send_newsletter"
- method="POST">
+<form action="{!URL!}/modules.php?module=admin&what=send_newsletter" method="post">
<table border="0" cellspacing="0" cellpadding="0"
class="admin_table dashed" align="center" width="430">
<tr>