/etc/exim4/conf.d/transport/30_exim4-config_address_file is in exim4-config 4.82-3ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | # This transport is used for handling deliveries directly to files that are
# generated by aliasing or forwarding.
#
address_file:
debug_print = "T: address_file for $local_part@$domain"
driver = appendfile
delivery_date_add
envelope_to_add
return_path_add
|