--- cryptpw.module.orig	2008-10-12 01:31:58.000000000 -0700
+++ cryptpw.module	2010-02-17 13:35:43.000000000 -0800
@@ -351,15 +351,18 @@
 
 function _cryptpw_maildirmake($maildir) {
   foreach(array('cur','new','tmp') as $d) {
-    if (!mkdir("$maildir/$d",0700,TRUE)) {
-      drupal_set_message(
-        t('Could not create directory %d.',
-          array('%d'=>"$maildir/$d")
-        )
-      );
-      return FALSE;
+    if (!is_dir("$maildir/$d")) {
+      if (!mkdir("$maildir/$d",0700,TRUE)) {
+        drupal_set_message(
+          t('Could not create directory %d.',
+            array('%d'=>"$maildir/$d")
+          )
+        );
+        return FALSE;
+      }
     }
   }
+  return TRUE;
 }
 
 function _cryptpw_rm_rf($d) {