[Dovecot] Logging logs moved/deleted

Hi dovecot list,

I'm looking for a possibility to log a moved (or a deleted mail). For example, I have a mailbox, and I read it in IMAP. I have a mail in INBOX. I want to move it to Folder. I want to have this action logged in my dovecot log file (or an other file).

Is it possible?

I read this: http://wiki.dovecot.org/Logging and I don't find any informations about it. I try to set "mail_debug=yes", but it does not log what I want.

Thanks.

Best regards (and happy Xmas).

-- -Nicolas.