commit 89f1c81: [Minor] Add composite for suspicios free/disposamail MDN usage

[twesterhever]

Author: twesterhever
Date: 2024-04-09 11:17:33 +0000
URL: https://github.com/rspamd/rspamd/commit/89f1c81a275993e83991a0ea7a87e58404f1839e

[Minor] Add composite for suspicios free/disposamail MDN usage

---
 conf/composites.conf | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/conf/composites.conf b/conf/composites.conf
index a36d0449f..da14ce3a5 100644
--- a/conf/composites.conf
+++ b/conf/composites.conf
@@ -168,6 +168,13 @@ composites {
     policy = "leave";
     description = "Message exhibits strong characteristics of advance fee fraud (AFF a/k/a '419' spam) involving freemail addresses";
   }
+  SUSPICIOS_MDN {
+    expression = "(FREEMAIL_MDN | DISPOSABLE_MDN) & !(FREEMAIL_FROM | FREEMAIL_ENVFROM)";
+    score = 2.0;
+    policy = "leave";
+    description = "Message delivery notification should go to freemail or disposable e-mail, but message was not sent from a freemail address";
+    group = "scams";
+  }
   REDIRECTOR_URL_ONLY {
     expression = "HFILTER_URL_ONLY & REDIRECTOR_URL";
     score = 1.0;