added some words about exim to docs/uucp-setup exim's rmail handling is similar to the one masqmail had now masqmail's rmail approach is similar to postfix's but it still can be called as `rmail' and behaves like exim in that case then

EXTRA_DIST=README_MASQMAIL

AM_CFLAGS=@CFLAGS@ -D_GNU_SOURCE -DHAVE_ANSIHEADERS

noinst_LIBRARIES=libident.a

libident_a_SOURCES=\
	ident.h\
	ident.c\
	id_open.c\
	id_close.c\
	id_query.c\
	id_parse.c\
	support.c\
	version.c