[exim] Using a hostlist in manualroute

I'm trying to be clever..

In my config file I've got the lines:

hostlist ccw_smtp_routers = 192.168.1.1 : 192.168.2.1
...
ccw:
driver = manualroute
transport = remote_smtp
route_list = ccw.gov.uk ccw_smtp_routers

However, when I run "exim -bt G.Ross@???" exim complains 'lookup of host "ccw_smtp_routers" failed in ccw router"

Obviously, the routelist/manualroute are treating ccw_smtp_routers as a hostname. Can I persuade them to treat ccw_smtp_routers as the hostlist that it is ?

Thanks,

GTG

Gordon Ross,
Network Manager/Rheolwr Rhydwaith
Countryside Council for Wales/Cyngor Cefn Gwlad Cymru