[Rspamd] Score spoofed senders higher

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

@@ -40,3 +40,7 @@ RBL_EXCLUDE_FWD_HOST {
 UPSTREAM_CHECKS_EXCLUDE_FWD_HOST {
   expression = "(-SIEVE_HOST | -WHITELISTED_FWD_HOST) & (^UNITEDINTERNET_SPAM | ^SPAM_FLAG | ^KLMS_SPAM | ^AOL_SPAM | ^MICROSOFT_SPAM)"
 }
+SPOOFED_UNAUTH_POLICY_FAILURE {
+  expression = "-SPOOFED_UNAUTH & -R_SPF_FAIL";
+  score = 50.0;
+}