[Dovecot] Dovecot + Sieve does not work

[Jimmi]

 I did nothing and now it works! Donno', sorry for the noise ;)

 BTW, in the dovecot-deliver.log I found:
 Info: sieve: 
 msgid=<OFAB04DF1A.DF5BAE30-ONC125784F.0026E8E2-C125784F.0026ECEB at XXX.XXX>: 
 stored mail into mailbox 'Mymail'
-- 
 jimmi