diff -r 883d5cd66498 -r 94bd10e237e5 VirtualMailManager/mailbox.py
--- a/VirtualMailManager/mailbox.py	Wed Jul 28 02:52:08 2010 +0000
+++ b/VirtualMailManager/mailbox.py	Wed Jul 28 03:43:59 2010 +0000
@@ -275,18 +275,15 @@
     __slots__ = ()
 
 
-def __get_mailbox_class(mbfmt):
+def new(account):
+    """Create a new Mailbox instance for the given Account."""
+    mbfmt = account.mail_location.mbformat
     if mbfmt == 'maildir':
-        return Maildir
+        return Maildir(account)
     elif mbfmt == 'mdbox':
-        return MultiDbox
+        return MultiDbox(account)
     elif mbfmt == 'sdbox':
-        return SingleDbox
+        return SingleDbox(account)
     raise ValueError('unsupported mailbox format: %r' % mbfmt)
 
-
-def new(account):
-    """Create a new Mailbox instance for the given Account."""
-    return __get_mailbox_class(account.mail_location.mbformat)(account)
-
 del cfg_dget