I spent a couple of days and successfully got Ingo managing my sieve scripts for use with Dovecot. You can read how I did it [http://blog.sysbliss.com/linux/managing-dovecot-sieve-scripts-with-horde-ingo.html on my blog] (NOT WORKING) Check [https://www.skrilnetz.net/server-side-mail-filtering-with-horde-ingo-and-sieve/ this] instead.