+****
+#
+# stdin-smtp, no cmds, smtp command timeout 2s set by cmdline
+1
+3 exim -DCOM=y -bs -os 2s
+****
+1
+3 exim -DCOM=y -os 2s -bs
+****
+#
+# cmdline mail, no stdin, receive_timeout 2s set by cmdline
+1
+3 exim -DCOM=y -or 2s userx@test.ex
+****
+#
+# stdin-bsmtp, no stdin, receive_timeout 2s set by cmdline
+# should not timeout
+3 exim -DCOM=y -bS -or 2s
+****