Harden anti spam on the MX:es.

1 files changed, 16 insertions, 0 deletions

diff --git a/roles/MX/templates/etc/postfix/access-list.cidr.j2 b/roles/MX/templates/etc/postfix/access-list.cidr.j2
new file mode 100644
index 0000000..bd6e3d8
--- /dev/null
+++ b/roles/MX/templates/etc/postfix/access-list.cidr.j2
@@ -0,0 +1,16 @@
+########################################################################
+# Access list, see cidr_table(5)
+#
+# {{ ansible_managed }}
+# Do NOT edit this file directly!
+
+{% if ipsec_subnet is defined %}
+{{ ipsec_subnet }} permit
+{% endif %}
+
+{% for ip in lookup('pipe', 'dig +short outgoing.fripost.org A').splitlines() | sort -%}
+{{ ip }}/32 permit
+{% endfor %}
+{% for ip in lookup('pipe', 'dig +short outgoing.fripost.org AAAA').splitlines() | sort -%}
+{{ ip }}/128 permit
+{% endfor %}