diff --git a/roles/mail_server/templates/main.cf.j2 b/roles/mail_server/templates/main.cf.j2
index fc8e6903b78b32ce33b08ba3de82c14a93cb7cab..435e57973f8d295ca0272aca625dec262e63149f 100644
--- a/roles/mail_server/templates/main.cf.j2
+++ b/roles/mail_server/templates/main.cf.j2
@@ -58,4 +58,7 @@ smtpd_tls_cert_file = {{ smtp_tls_certificate }}
 smtpd_tls_key_file = {{ smtp_tls_key }}
 smtpd_recipient_restrictions = permit_mynetworks
   permit_sasl_authenticated
+  {% for rbl in smtp_rbl -%}
+  reject_rbl {{ rbl }}
+  {% endfor -%}
   reject_unauth_destination
diff --git a/testsite/group_vars/mail.yml b/testsite/group_vars/mail.yml
index 934fb9c1ae0831efb225c42696d637d0160ebea1..48d5d05d05837436220d3a2b27383ebcbe88c9e8 100644
--- a/testsite/group_vars/mail.yml
+++ b/testsite/group_vars/mail.yml
@@ -27,4 +27,7 @@ imap_tls_certificate: /etc/ssl/certs/mail.example.com_imap.pem
 imap_tls_key: /etc/ssl/private/mail.example.com_imap.key
 smtp_tls_certificate: /etc/ssl/certs/mail.example.com_smtp.pem
 smtp_tls_key: /etc/ssl/private/mail.example.com_smtp.key
-imap_folder_separator: /
\ No newline at end of file
+imap_folder_separator: /
+smtp_rbl:
+  - bl.spamcop.net
+  - zen.spamhaus.org
\ No newline at end of file