[Dovecot] maildir and the separator for subfolder

hi,

I use dovecot 1.0rc15 with one maildir namespace.

I'd like to be able to use '.' in folders and subfolders name.

So, I setup the default namespace with

 separator =':'

But, when I create some folders and then subfolders with thunderbird the filename one the server are named with some '.' no ':'...

It seems that dovecot always interprets '.' as a separator for folders.

Is-it a bug ?

yours,

David Bonnafous
Institut de Mathématiques
Université Paul Sabatier
Toulouse - France