[Rspamd] Remove upstream spam check results from mail by fwd hosts

data/conf/rspamd/local.d/composites.conf

@@ -37,3 +37,6 @@ FORGED_W_BAD_POLICY {
 RBL_EXCLUDE_FWD_HOST {
   expression = "-WHITELISTED_FWD_HOST & ^g:rbl"
 }
+UPSTREAM_CHECKS_EXCLUDE_FWD_HOST {
+  expression = "-WHITELISTED_FWD_HOST & (^UNITEDINTERNET_SPAM | ^SPAM_FLAG | ^KLMS_SPAM | ^AOL_SPAM | ^MICROSOFT_SPAM)"
+}