An XCCDF Group - A logical subset of the XCCDF Benchmark
/etc/postfix/main.cf
default_process_limit = 100 smtpd_client_connection_count_limit = 10 smtpd_client_connection_rate_limit = 30 queue_minfree = 20971520 header_size_limit = 51200 message_size_limit = 10485760 smtpd_recipient_limit = 100
smtpd_recipient_restrictions
permit_mynetworks
mynetworks
reject_unauth_destination
mynetworks_style = subnet
my_networks_style
mynetworks_style = host
mynetworks = 10.0.0.0/16, 192.168.1.0/24, 127.0.0.1