exim_path = EXIM_PATH
host_lookup_order = bydns
-rfc1413_query_timeout = 0s
spool_directory = DIR/spool
log_file_path = DIR/spool/log/%slog
gecos_pattern = ""
headers_add = X-Delivered-To: $local_part@$domain
retry_use_local_part
transport = local_delivery
+ headers_add = X-rtr-hdr: 1
+ headers_add = ${if bool{false} {X-rtr-hdr: 2}}
+ headers_add = X-rtr-hdr: 3
# ----- Transports -----
envelope_to_add
file = DIR/test-mail/$local_part
user = CALLER
+ headers_add = X-tpt-hdr: 1
+ headers_add = ${if bool{false} {X-tpt-hdr: 2}}
+ headers_add = X-tpt-hdr: 3
# End