gecko-dev/mailnews/base/ispdata
..
Makefile.in
README
aol.rdf
example.rdf
movemail.rdf
nswebmail.rdf

README

example.rdf is probably old and out of date
movemail.rdf is new, from pkw@us.ibm.com
nswebmail.rdf is pretty up to date, used by Netscape 7.x
aol.rdf is pretty up to date, used by Netscape 7.x