bump mx-only to 0.8

Author: davidhuser

src/mail_sovereignty/classifier.py

@@ -105,7 +105,7 @@ def _rule_confidence(
     R4    MX ∧ TENANT                0.85
     R5    SPF ∧ TENANT               0.80
     R6    SPF ∧ GW                   0.70
-    R7    MX                         0.60  // eher auf 80%
+    R7    MX                         0.80
     R8    SPF                        0.50
     R9    else                       0.40
     ====  ==========================  ====
@@ -134,7 +134,7 @@ def _rule_confidence(
     elif has_spf and has_gateway:
         base, used = 0.70, {SignalKind.SPF}
     elif has_mx:
-        base, used = 0.60, {SignalKind.MX}
+        base, used = 0.80, {SignalKind.MX}
     elif has_spf:
         base, used = 0.50, {SignalKind.SPF}
     else:

tests/test_classifier.py

@@ -141,8 +141,8 @@ def test_single_signal(self):
         evidence = [_ev(SignalKind.MX, Provider.MS365)]
         result = _aggregate(evidence)
         assert result.provider == Provider.MS365
-        # MX-only rule → 0.60
-        assert result.confidence == pytest.approx(0.60)
+        # MX-only rule → 0.80
+        assert result.confidence == pytest.approx(0.80)
 
     def test_multi_signal_same_provider(self):
         evidence = [
@@ -162,8 +162,8 @@ def test_duplicate_kind_same_depth(self):
         ]
         result = _aggregate(evidence)
         assert result.provider == Provider.MS365
-        # MX-only rule → 0.60 (duplicate MX doesn't change anything)
-        assert result.confidence == pytest.approx(0.60)
+        # MX-only rule → 0.80 (duplicate MX doesn't change anything)
+        assert result.confidence == pytest.approx(0.80)
 
     def test_conflict_more_primary_signals_wins(self):
         evidence = [
@@ -271,8 +271,8 @@ def test_tenant_different_provider_no_effect_on_winner(self):
         ]
         result = _aggregate(evidence)
         assert result.provider == Provider.GOOGLE
-        # MX-only rule → 0.60 (TENANT is MS365's, not Google's)
-        assert result.confidence == pytest.approx(0.60)
+        # MX-only rule → 0.80 (TENANT is MS365's, not Google's)
+        assert result.confidence == pytest.approx(0.80)
 
     def test_txt_verification_alone_no_winner(self):
         """TXT_VERIFICATION alone cannot pick a winner (not primary)."""
@@ -292,8 +292,8 @@ def test_txt_verification_with_primary(self):
         ]
         result = _aggregate(evidence)
         assert result.provider == Provider.MS365
-        # MX-only rule (0.60) + TXT_VERIFICATION boost (0.02) = 0.62
-        assert result.confidence == pytest.approx(0.62)
+        # MX-only rule (0.80) + TXT_VERIFICATION boost (0.02) = 0.82
+        assert result.confidence == pytest.approx(0.82)
 
     def test_asn_alone_no_winner(self):
         """ASN alone cannot pick a winner (not primary)."""
@@ -313,8 +313,8 @@ def test_asn_with_primary(self):
         ]
         result = _aggregate(evidence)
         assert result.provider == Provider.MS365
-        # MX-only rule (0.60) + ASN boost (0.02) = 0.62
-        assert result.confidence == pytest.approx(0.62)
+        # MX-only rule (0.80) + ASN boost (0.02) = 0.82
+        assert result.confidence == pytest.approx(0.82)
 
     def test_infomaniak_classification(self):
         evidence = [
@@ -352,8 +352,8 @@ def test_spf_ip_with_primary(self):
         ]
         result = _aggregate(evidence)
         assert result.provider == Provider.GOOGLE
-        # MX-only rule (0.60) + SPF_IP boost (0.02) = 0.62
-        assert result.confidence == pytest.approx(0.62)
+        # MX-only rule (0.80) + SPF_IP boost (0.02) = 0.82
+        assert result.confidence == pytest.approx(0.82)
 
     def test_autodiscover_is_primary_signal(self):
         """Autodiscover alone establishes a provider (not INDEPENDENT)."""