Sieve can't move messages in a public namespace

[Paolo]

Il 30/06/2017 10:46, Paolo ha scritto:
> Hello,
>
> my dovecot version is 2.1.17
>
> I've configured some public namespaces (config attached). When a mail 
> arrives at a certain mail address, that mail is handled by dovecot 
> lmtp server and a sieve script is executed that shuold move the 
> message in one of the namespaces. This is the script:
>
> require "fileinto";
>
> if header :contains "From" "example at example.com" {
>        fileinto "Cond-UFF_FORNITORI/CONTABILITA/Inviata";
> }
> else {
>         fileinto "Cond-UFF_FORNITORI/CONTABILITA/Ricevuta";
> }
>
> The problem is that the sieve script fails with the error:
>
>    sieve: info: started log at Jun 27 12:42:28.
>    error: msgid=<c9154db4-ff68-52a3-2639-11f09f225f68 at fcr.re.it>: 
> failed to store into mailbox 
> 'Cond-UFF_FORNITORI/CONTABILITA/Ricevuta': Mailbox doesn't exist: 
> Cond-UFF_FORNITORI/CONTABILITA/Ricevuta.
>
> I double checked config, dovecot documentation, sieve documentation, 
> ACL, filesystem paths, filesystem permissions, etc. etc. I'm pretty 
> sure it's all right.
> So why isn't sieve working?
>
> Thanks if you bother to answer & Cheers
>
> Paolo
>
Nobody has clues?