[Dovecot] Fileinto to a maildir with sieve

Hello,

Is it possible to specify a maildir to a fileinto rule in a sieve file? A simple:

require "fileinto";

if header :contains "X-Spam-Flag" "YES" { fileinto ".Junk"; }

does'nt work becaise .Junk is a directoty, not a mailbox... See my dovecot-deliver log:

Couldn't open mailbox .Junk: Invalid mailbox name Mar 12 09:52:38 helm deliver(nicolas@nicoelro.net): sieve runtime error: Fileinto: Generic Error

Is it possible to specify a directory (maildir)?

Thanks.

• Nicolas.