debian/debconf/conf.d/transport/30_exim4-config_address_pipe

   1
   2 # This transport is used for handling pipe deliveries generated by
   3 # .forward files. If the commands fails and produces any output on standard
   4 # output or standard error streams, the output is returned to the sender
   5 # of the message as a delivery error.
   6 address_pipe:
   7   debug_print = "T: address_pipe for $local_part@$domain"
   8   driver = pipe
   9   return_fail_output
  10