postfix での pop before smtp について 3.1 install postfix 3.2 install DRAC (Dynamic Relay Authorization Control) http://mail.cc.umanitoba.ca/drac/index.html 3. modify postfix /etc/postfix/main.cf. smtpd_recipient_restrictions = permit_mynetworks check_client_access hash:/etc/mail/dracd check_relay_domains reject 4. mkdir /etc/mail. dracd users the directory "/etc/mail". 5. run "rpc.dracd" as a daemon.[PREVIOUS CHAPTER] [NEXT CHAPTER]