Write a packet filtering rule that will block the hosts in 131.204.0.0/16, i.e., the internal network, with the exception of mail server 131.204.128.3, from delivering the mail to outside mail servers.
interface Ethernet 0/1
ip address 131.204.1.1 255.255.255.0
ip access-group 101 out
access-list 101 permit tcp ______ any __________________
access-list 101 deny tcp ______ any __________________