Something

alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
config_directory = /etc/postfix
inet_interfaces = loopback-only
local_transport = local
mailbox_size_limit = 0
mydestination = tur-gw.tur.fr, localhost.tur.fr, localhost
myhostname = tur-gw.tur.fr
mynetworks = 127.0.0.0/8
myorigin = /etc/mailname
recipient_delimiter = +
relayhost = 172.16.0.213