Installation
Install packages
Debian
apt-get install fusiondirectory-plugin-sieve
apt-get install fusiondirectory-plugin-sieve-schema
Install schemas
Debian
fusiondirectory-schema-manager --insert-schema /etc/ldap/schema/fusiondirectory/sieve-fd.schema
Register the plugin
fusiondirectory-plugins-manager --register-plugin /etc/fusiondirectory/yaml/sieve/description.yaml