POSTFIX - Formation Postfix - Configuration réseau Ubuntu

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/etc/hosts

127.0.0.1       localhost.localdomain localhost
10.4.1.6        julien.insa-rennes.fr julien
10.4.1.6        smtp.ploplo.fr smtp

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
root@julien:~#

/etc/hostname

julien

/etc/resolv.conf

search insa-rennes.fr
nameserver 10.4.1.21
nameserver 10.4.1.18
root@julien:~#

/etc/network/interfaces

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
        address 10.4.1.6
        netmask 255.255.255.0
        network 10.4.1.0
        broadcast 10.4.1.255
        gateway 10.4.1.254
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 10.4.1.21 10.4.1.18