OpenDKIM

apt-get install opendkim opendkim-tools

• /etc/opendkim.conf

• /etc/default/opendkim

SOCKET="inet:10027@127.0.0.1"

• /etc/postfix/main.cf

milter_protocol = 2
milter_default_action = accept
smtpd_milters = inet:[127.0.0.1]:10027
non_smtpd_milters = inet:[127.0.0.1]:10027

mkdir /etc/opendkim mkdir /etc/opendkim/keys

• /etc/opendkim/TrustedHosts

127.0.0.1
localhost
geocoucou.eu

• /etc/opendkim/KeyTable

coyotte._domainkey.geocoucou.eu geocoucou.eu:mail:/etc/opendkim/keys/geocoucou.eu/mail.private

• /etc/opendkim/SigningTable

*@geocoucou.eu coyotte._domainkey.geocoucou.eu

• Générer clés

cd /etc/opendkim/keys

mkdir geocoucou.eu

cd geocoucou.eu

opendkim-genkey -s mail -d geocoucou.eu

• Droits

chown opendkim:opendkim /etc/opendkim/keys -R chmod u+x /etc/opendkim/keys -R

• Clé publique et enregistrement DNS

cat /etc/opendkim/keys/geocoucou.eu/mail.txt

• Sauvegarde

service postfix restart

service opendkim restart