postfixadmin/admin/passwd.php

<?php
require "../config.inc.php";
require "../my_lib.php";

print_header("admin");

$username = $_GET['username'];

if (!empty($_POST['submit'])) {
        $form_new_passwd1 = $_POST['form_new_passwd1'];
	if (empty($form_new_passwd1)) {
		print_error("You will need to fill in the password field!");
	}
	$new_passwd = md5crypt($form_new_passwd1);
	$result = db_query("UPDATE admin SET password='$new_passwd',change_date=NOW() WHERE username='$username'");
	if ($result['rows'] == 1) {
		print "The password has been updated!\n";
		print "<p />\n";
		print_footer();
		exit;
	} else {
		print_error("Unable to update your password!");
	}
} 
?>
Change admin password.
<p>
<form name="passwd" method="post">
<table class="form">
<tr><td>Login:</td><td><?php print "$username"; ?></td></tr>
<tr><td>New Password:</td><td><input type="text" name="form_new_passwd1"></td></tr>
<tr><td colspan="2" align="center"><input type="submit" name="submit" value="Enter"></td></tr>
</table>
</form>
<?php
print_footer();
?>