From: twesterhever <40121680+twesterhever@users.noreply.github.com>
Date: Tue, 9 Apr 2024 11:17:33 +0000 (+0000)
Subject: [Minor] Add composite for suspicios free/disposamail MDN usage
X-Git-Tag: 3.9.0~51^2~1
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=89f1c81a275993e83991a0ea7a87e58404f1839e;p=rspamd.git

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

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;