Installation:

emerge mailman

Configuration:

DEFAULT_EMAIL_HOST = 'lists.ceric35.homelinux.org'
DEFAULT_URL_HOST   = 'lists.ceric35.homelinux.org'
MTA='Postfix'

Ensuite, technique de ce script : http://www.gurulabs.com/downloads/postfix-to-mailman-2.1.py

relay_domains = $mydestination lists.ceric35.homelinux.org
transport_maps = hash:/etc/postfix/transport
mailman_destination_recipient_limit = 1

lists.ceric35.homelinux.org   mailman:

mailman unix  -       n       n       -       -       pipe
  flags=FR user=mailman:mailman 
  argv=/usr/local/mailman/postfix-to-mailman-2.1.py ${nexthop} ${user}