From cd5cc2eda4e685490f2638969fc5b1345f1b9575 Mon Sep 17 00:00:00 2001
From: myvesta <38690722+myvesta@users.noreply.github.com>
Date: Fri, 24 Mar 2023 20:36:20 +0100
Subject: [PATCH] Forward from primary ip, not from secondary

---
 install/debian/11/exim/exim4.conf.template-RC | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/install/debian/11/exim/exim4.conf.template-RC b/install/debian/11/exim/exim4.conf.template-RC
index 605d848ab..36ba2a0d5 100644
--- a/install/debian/11/exim/exim4.conf.template-RC
+++ b/install/debian/11/exim/exim4.conf.template-RC
@@ -140,6 +140,11 @@ acl_check_rcpt:
 
   warn    set acl_m3    = no
   
+  warn    !authenticated = *
+          hosts          = !+relay_from_hosts
+          condition     = ${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/$domain/aliases}{true}{false}}
+          set acl_m3    = yes
+
   deny    message       = Restricted characters in address
           domains       = +local_domains
           local_parts   = ^[.] : ^.*[@%!/|]