#
ls -l $actual >&2 # ???? temporary
+od -t a $actual | tail -n 4
sed -e 's/^Date:.*/Date:/' \
-e 's/^Resent-Date:.*/Resent-Date:/' \
-e 's/^Message-ID:.*/Message-ID:/' "$actual" > "$actual".nodate
+echo after sed # ???? temporary
rm -f "$actual"
check "$actual".nodate "$1"