openICEM
Italian Certified Electronic eMail
openICEM is a high scalable server software, entirely written in python, aimed to provide a Certified eMail Service as specified by Italian Law DPR. November 2, 2005 (http://tools.ietf.org/html/rfc6109).
openICEM is developed around the Postfix MTA and based on the python-ldap and python-clamd modules. This software make use of XML-RPC for communication among the servers of infrastructure and it does not require any shared service or shared filesystem.