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< Linux | Mailserver
Requirements
- Ubuntu 16.04
- server with static ip
- control of dns entries
Postgrey
- install
apt install postgrey
- edit /etc/default/postgrey
POSTGREY_OPTS="--inet=10023 --delay=60"
- restart
systemctl restart postgrey
- edit /etc/postfix/main.cf
smtpd_recipient_restrictions =
...
permit_sasl_authenticated
permit_mynetworks
reject_unauth_destination
...
check_policy_service inet:127.0.0.1:10023
...
permit