diff --git a/docs/hardening/postfix-ldap/ldap-aliases.cf b/docs/hardening/postfix-ldap/ldap-aliases.cf
new file mode 100644
index 0000000000000000000000000000000000000000..f0bf47bf816c4b2cf7243aa8250b0dea7108a227
--- /dev/null
+++ b/docs/hardening/postfix-ldap/ldap-aliases.cf
@@ -0,0 +1,9 @@
+server_host = x.x.x.x
+search_base = ou=xxx, dc=xxx, dc=xx
+version = 3
+timeout = 10
+leaf_result_attribute = mail
+bind_dn = user@domain
+bind_pw = userpassword
+query_filter = (mail=%s) 
+result_attribute = mail, addressToForward
\ No newline at end of file