commit 92c0511: Protect against bounce spam

GitHub noreply at github.com
Wed Oct 19 20:28:03 UTC 2022


Author: Frederik Bosch
Date: 2022-10-12 10:44:12 +0200
URL: https://github.com/rspamd/rspamd/commit/92c051189755705cff095e6cce7bc6a6e35a0353

Protect against bounce spam

---
 conf/composites.conf | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/conf/composites.conf b/conf/composites.conf
index cd03d5fdd..543d7c46a 100644
--- a/conf/composites.conf
+++ b/conf/composites.conf
@@ -53,7 +53,17 @@ composites {
     expression = "R_DKIM_NA & R_SPF_NA & DMARC_NA & ARC_NA";
     score = 1.0;
     policy = "remove_weight";
-    description = "Authenticating message via SPF/DKIM/DMARC/ARC not possible";
+    description = "Authenticating message via SPF/DKIM/DMARC/ARC not available";
+  }
+  AUTH_NA_OR_FAIL {
+    expression = "!AUTH_NA & (R_DKIM_NA | R_DKIM_TEMPFAIL | R_DKIM_PERMFAIL) & (R_SPF_NA | R_SPF_DNSFAIL) & DMARC_NA & (ARC_NA | ARC_DNSFAIL)";
+    score = 1.0;
+    policy = "remove_weight";
+    description = "Authenticating message via SPF/DKIM/DMARC/ARC not available or failed";
+  }
+  BOUNCE_NO_AUTH {
+    expression = "(AUTH_NA | AUTH_NA_OR_FAIL) & (BOUNCE | SUBJ_BOUNCE_WORDS)";
+    score = 1.0;
   }
   DKIM_MIXED {
     expression = "-R_DKIM_ALLOW & (R_DKIM_TEMPFAIL | R_DKIM_PERMFAIL | R_DKIM_REJECT)"


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