postfix 메일 서버 relay 제한/설정

[ 기본 설정 상태 ]

root@jenjang]# vi /etc/postfix/main.cf

#mynetworks_style = class

#mynetworks_style = subnet

#mynetworks_style = host

#mynetworks = 168.100.189.0/28, 127.0.0.0/8

#mynetworks = $config_directory/mynetworks

#mynetworks = hash:/etc/postfix/network_table

[ 특정 network 허용 ]

mynetworks = 192.168.0.0/16

root@jenjang]# postfix reload