From e14f57b40e66ba3bf3ea4a4642963f86159e2aa2 Mon Sep 17 00:00:00 2001
From: Morre <morre@cccv.de>
Date: Sat, 26 Sep 2020 14:54:59 +0200
Subject: [PATCH] =?UTF-8?q?add=20mua=5F=E2=80=A6=5Frestrictions=20for=20su?=
 =?UTF-8?q?bmission?=
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---
 templates/main.cf.j2 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/templates/main.cf.j2 b/templates/main.cf.j2
index 398ce1f..c344720 100644
--- a/templates/main.cf.j2
+++ b/templates/main.cf.j2
@@ -82,6 +82,19 @@ smtpd_recipient_restrictions =  permit_mynetworks,
                                 {% endif -%}
                                 permit
 
+mua_helo_restrictions = permit_mynetworks,
+                        permit_sasl_authenticated,
+                        reject_invalid_helo_hostname,
+                        reject_non_fqdn_helo_hostname
+
+mua_sender_restrictions = reject_non_fqdn_sender,
+                          reject_unknown_sender_domain,
+                          permit_mynetworks,
+                          permit_sasl_authenticated
+
+mua_client_restrictions = permit_sasl_authenticated,
+                          reject
+
 {%  if ("mailbox_transport" in postfix and postfix.mailbox_transport == "dovecot")
     or postfix.ldap.enable
 %}