In the /etc/postfix/dynamicmaps.cf file there is a line: #type location of .so file open function (mkmap func) #==== ================================ ============= ============ tcp /usr/lib/postfix/dict_tcp.so dict_tcp_open what is the function of this line? and what would be the effect if I commented it out? please note there is a space between tcp and /usr and a space between .so and dict_ lansdorf