procédure suivie -» http://docs.mailman3.org/en/latest/prodsetup.html

sudo apt install python-pip python3-pip python-setuptools python3-setuptools build-essential python-dev python3-dev
sudo pip install --upgrade pip
sudo apt install ruby-sass 
sudo pip2 install whoosh

sudo pip3 install mailman

checkup :

mailman info
GNU Mailman 3.1.0 (Between The Wheels)
Python 3.5.2 (default, Nov 17 2016, 17:05:23) 
[GCC 5.4.0 20160609]
config file: None
db url: sqlite:////home/damien/var/data/mailman.db
devmode: DISABLED
REST root url: http://localhost:8001/3.1/
REST credentials: restadmin:restpass

sudo pip2 install postorious

sudo pip2 install hyperkitty

sudo pip3 install uwsgi