postgrey

Description: Add greylisting to postfix through postgrey Implementation: Login to server as root Install postgrey through aptitude Append to /etc/postgrey/whitelist-clients: d4.sysinst.ida.liu.se Restart service: service postgrey reload Add to/edit in /etc/postfix/main.cf: smtpd_recipient_restrictions = permit_mynetworks reject_unauth_destination check_policy_service inet:127.0.0.1:10023 Restart service: service postfix reload Verification: Email from any local host should not be greylisted Email from unknown address should be greylisted