moodle/message/settings.html

<form id="message_settings" action="index.php" method="post">
<div>
    <input type="hidden" name="tab" value="settings" />
    <input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
</div>


<table cellpadding="5"  class="message_form boxaligncenter">

    <tr valign="top">
        <td align="right"><input type="checkbox" name="blocknoncontacts" id="blocknoncontacts" <?php echo $cbblocknoncontacts ?>  /></td>
        <td colspan="2"><label for="blocknoncontacts"><?php print_string('blocknoncontacts', 'message') ?></label></td>
    </tr>
    <tr valign="top">
        <td align="right"><input type="checkbox" name="beepnewmessage" id="beepnewmessage" <?php echo $cbbeepnewmessage ?>  /></td>
        <td colspan="2"><label for="beepnewmessage"><?php print_string('beepnewmessage', 'message') ?></label></td>
    </tr>

    <tr valign="top">
        <td colspan="3" align="center"><br /><input type="submit" value="<?php print_string('savemysettings', 'message') ?>" /></td>
    </tr>


</table>

</form>