[exim] how to set up RelayCountry

Hi.

Cannot SpamAssassin-RelayCountry be used with Exim4(spamd)?

I want to add X-Relay-Countries header.
Please help how to set up RelayCountry.


<My MTA>
FreeBSD4.10
Exim4.62(spamd)
SpamAssasin3.1.7(ports)

<init.pre>comment out
loadplugin Mail::SpamAssassin::Plugin::RelayCountry

<local.cf>added bellow
add_header all Relay-Country _RELAYCOUNTRY_