Index: modules/contact.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/Attic/contact.module,v
retrieving revision 1.51.2.1
diff -u -r1.51.2.1 contact.module
--- modules/contact.module	18 Oct 2006 20:14:42 -0000	1.51.2.1
+++ modules/contact.module	20 Jan 2007 19:37:44 -0000
@@ -469,9 +469,11 @@
         '#title' => t('Message'),
         '#required' => TRUE,
       );
-      $form['copy'] = array('#type' => 'checkbox',
-        '#title' => t('Send me a copy.'),
-      );
+      if ($user->uid) {
+        $form['copy'] = array('#type' => 'checkbox',
+          '#title' => t('Send me a copy.'),
+        );
+      }
       $form['submit'] = array('#type' => 'submit',
         '#value' => t('Send e-mail'),
       );