[Rspamd] Much higher scores for DMARC failures

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

@@ -14,4 +14,19 @@ symbols = {
     "R_DKIM_PERMFAIL" {
         score = 10.0;
     }
+    "DMARC_POLICY_REJECT" {
+        weight = 20.0;
+        description = "DMARC reject policy";
+        groups = ["dmarc"];
+    }
+    "DMARC_POLICY_QUARANTINE" {
+        weight = 10.0;
+        description = "DMARC quarantine policy";
+        groups = ["dmarc"];
+    }
+    "DMARC_POLICY_SOFTFAIL" {
+        weight = 2.0;
+        description = "DMARC failed";
+        groups = ["dmarc"];
+    }
 }