+SRCS := $(SRCS) $(smtp_dummy_srcs)
+CLEAN := $(CLEAN) $(dir)/smtp-dummy $(dir)/smtp-dummy.o \
+ $(dir)/symbol-test $(dir)/symbol-test.o \
+ $(dir)/arg-test $(dir)/arg-test.o \
+ $(dir)/parse-time $(dir)/parse-time.o \
+ $(dir)/corpus.mail $(dir)/test-results $(dir)/tmp.*