route_list = * 127.0.0.1
self = send
transport = smtp
+ headers_remove = X-hdr-rtr
+ headers_add = X-hdr-rtr-new: $h_X-hdr-rtr:+++
no_more
driver = smtp
interface = HOSTIPV4
port = PORT_S
+ headers_add = ${if def:h_X-hdr-rtr {X-hdr-tpt-new: new} {}}
# End