Installation
Install packages
Debian
apt-get install fusiondirectory-plugin-postfix
apt-get install fusiondirectory-plugin-postfix-schema
RHEL
yum install fusiondirectory-plugin-postfix
yum install fusiondirectory-plugin-postfix-schema
Install schemas
Debian
fusiondirectory-schema-manager --insert-schema /etc/ldap/schema/fusiondirectory/postfix-fd.schema
RHEL
fusiondirectory-schema-manager --insert-schema /etc/openldap/schema/fusiondirectory/postfix-fd.schema