Viktor Balogh wrote:
This way I could config the managesieve plugin in roundcube to get to work, at least I can click some sieve rules on the web interface. But the filtering isn't working! I think the problem could be that the system uses postfix as LDA. Am I right?
Yes. Messages must be delivered by dovecot. Then you just enable cmusieve plugin for lda protocol in dovecot.conf.