process pppp running as transport filter: fd_write=dddd fd_read=dddd
cannot use sendfile for body: spoolfile not wireformat
writing data block fd=dddd size=sss timeout=0
+>>>>>>>>>>>>>>>> Exim pid=pppp (tpt-filter) terminating with rc=0 >>>>>>>>>>>>>>>>
process pppp writing to transport filter
copying from the filter
waiting for filter process