header :contains "list-id" "<exim-users.exim.org>",
header :contains "list-id" "<octave-maintainers.gnu.org>",
header :contains "list-id" "<discuss-gnuradio.gnu.org>",
header :contains "list-id" "<exim-users.exim.org>",
header :contains "list-id" "<octave-maintainers.gnu.org>",
header :contains "list-id" "<discuss-gnuradio.gnu.org>",