+// Are we configured yet?
+if( ! file_exists ( 'config/config.php' ) ) {
+ echo '<html><body><p><strong>ERROR:</strong> Config file ' .
+ '"<tt>config/config.php</tt>" not found. You need to ' .
+ 'configure SquirrelMail before you can use it.</p></body></html>';
+ exit;
+}
+
+// If we are, go ahead to the login page.
+header('Location: src/login.php');