[Rspamd] Set !ARC_ALLOW to SPF FAIL check

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

@@ -7,7 +7,7 @@ VIRUS_FOUND {
   score = 2000;
 }
 SPF_FAIL_NO_DKIM {
-  expression = "R_SPF_FAIL & R_DKIM_NA & !MAILCOW_WHITE";
+  expression = "R_SPF_FAIL & R_DKIM_NA & !MAILCOW_WHITE & !ARC_ALLOW";
   score = 10;
 }
 SOGO_CONTACT_EXCLUDE_FWD_HOST {