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[Rspamd] Block spoofing for free mail domains (#3907)

fec68764

Dmitriy Alekseev <[email protected]> 6 years ago

data/conf/rspamd/local.d/composites.conf | 5 +++++
 1 file changed, 5 insertions(+)

Diff

diff --git a/data/conf/rspamd/local.d/composites.conf b/data/conf/rspamd/local.d/composites.conf
index e2f6f9d3..02664cca 100644
--- a/data/conf/rspamd/local.d/composites.conf
+++ b/data/conf/rspamd/local.d/composites.conf
@@ -6,6 +6,11 @@ VIRUS_FOUND {
   expression = "CLAM_VIRUS & !MAILCOW_WHITE";
   score = 2000.0;
 }
+# Bad policy from free mail providers
+FREEMAIL_POLICY_FAILURE {
+  expression = " -g+:policies & !DMARC_POLICY_ALLOW & ( FREEMAIL_ENVFROM | FREEMAIL_FROM ) & !WHITELISTED_FWD_HOST";
+  score = 16.0;
+}
 # Bad policy from non-whitelisted senders
 # Remove SOGO_CONTACT symbol for fwd hosts and senders with broken policy
 SOGO_CONTACT_EXCLUDE {