0.0.0.0/8         REJECT Sender domain has MX server in broadcast network - Please correct your MX
10.0.0.0/8        REJECT Sender domain has MX server in RFC 1918 private network - Please correct your MX
127.0.0.0/8       REJECT Sender domain has MX server in loopback network - Please correct your MX
169.254.0.0/16    REJECT Sender domain has MX server in link local network - Please correct your MX
172.16.0.0/12     REJECT Sender domain has MX server in RFC 1918 private network - Please correct your MX
192.0.2.0/24      REJECT Sender domain has MX server in TEST-NET network - Please correct your MX
192.168.0.0/16      REJECT Sender domain has MX server in RFC 1918 private network - Please correct your MX
224.0.0.0/4       REJECT Sender domain has MX server in class D multicast network - Please correct your MX
240.0.0.0/5       REJECT Sender domain has MX server in class E reserved network - Please correct your MX
248.0.0.0/5       REJECT Sender domain has MX server in reserved network - Please correct your MX