# empty transport filter
#
-munge no_tpt_filter_epipe
-#
exim -d-all+transport -odi userx
Testing with filter
****
exim -DFILTER= -d-all+transport -odi userx
Testing without filter
****
+exim -DFILTER='${if={1}{1}{}{}}' -d-all+transport -odi userx
+Testing with expand-to-empty filter
+****