/etc/exim4/conf.d/router/300_exim4-config_real_local 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 10 11 12 13 14 15 16 17 18 19 20 | ### router/300_exim4-config_real_local
#################################
# This router allows reaching a local user while avoiding local
# processing. This can be used to inform a user of a broken .forward
# file, for example. The userforward router does this.
COND_LOCAL_SUBMITTER = "\
${if match_ip{$sender_host_address}{:@[]}\
{1}{0}\
}"
real_local:
debug_print = "R: real_local for $local_part@$domain"
driver = accept
domains = +local_domains
condition = COND_LOCAL_SUBMITTER
local_part_prefix = real-
check_local_user
transport = LOCAL_DELIVERY
|