[rspamd] increased values for SPF, DKIM reject

data/conf/rspamd/local.d/policies_group.conf

@@ -3,15 +3,15 @@ symbols = {
         score = 0.0;
     }
     "R_SPF_FAIL" {
-        score = 7.0;
+        score = 10.0;
     }
     "R_SPF_PERMFAIL" {
-        score = 7.0;
+        score = 10.0;
     }
     "R_DKIM_REJECT" {
-        score = 7.0;
+        score = 10.0;
     }
     "R_DKIM_PERMFAIL" {
-        score = 7.0;
+        score = 10.0;
     }
 }