main.cf:/usr/local/etc/postfix/main.cf
master.cf:/usr/local/etc/postfix/master.cf
postfix:/etc/rc.conf.d/postfix
transport:/usr/local/etc/postfix/transport
recipient_access:/usr/local/etc/postfix/recipient_access
sender_access:/usr/local/etc/postfix/sender_access
smtp_auth:/usr/local/etc/postfix/smtp_auth
