Push locally-created folders to IMAP server?

[seanh]

> Did you add nametrans rules to map Remote->Local and Local->Remote
> folder names?  Without those, it will not be able to create folders on
> the remove repository.
> 
> http://docs.offlineimap.org/en/latest/nametrans.html#reverse-nametrans

I added this nametrans to both the remote and the local:

nametrans = lambda folder: folder

but it didn't make any difference

Thanks