Index: submit-event.php
===================================================================
--- submit-event.php	(revision 306898)
+++ submit-event.php	(working copy)
@@ -44,8 +44,10 @@
         $errors[] = 'You must supply a valid email address.';
     }

-    // Temporary lockout on one annoying poster.
-    if (strtolower($_POST['email']) == 'saradhaaa@gmail.com') {
+    // Temporary lockout of annoying users (better solution is needed)
+    $uemail     = isset($_POST['email']) ? strtolower($_POST['email']) : '';
+    $mosquitoes = array('saradhaaa@gmail.com', 'mg-tuzi@yahoo.com.cn');
+    if (in_array($uemail, $mosquitoes)) {
         $errors[] = 'Enough is enough.  Go play somewhere else.';
     }