From e9ebb25bab0c62bd823d8338a24decb162c5b01f Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@freedombone.net>
Date: Mon, 27 Nov 2017 22:46:29 +0000
Subject: [PATCH] Disable email chunking on upgrades

---
 src/freedombone-upgrade   |  1 +
 src/freedombone-utils-web | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/freedombone-upgrade b/src/freedombone-upgrade
index 128378f1..5ef7623c 100755
--- a/src/freedombone-upgrade
+++ b/src/freedombone-upgrade
@@ -95,6 +95,7 @@ if [ -d $PROJECT_DIR ]; then
 
         apt-get -yq -t stretch-backports install certbot
         email_install_tls
+        email_disable_chunking
         defrag_filesystem
     fi
 fi
diff --git a/src/freedombone-utils-web b/src/freedombone-utils-web
index a63dda38..baea51a0 100755
--- a/src/freedombone-utils-web
+++ b/src/freedombone-utils-web
@@ -983,6 +983,16 @@ function install_composer {
     fi
 }
 
+function email_disable_chunking {
+    if [ -f /etc/exim4/conf.d/main/04_exim4-config_chunking ]; then
+        return
+    fi
+    echo "chunking_advertise_hosts =" > /etc/exim4/conf.d/main/04_exim4-config_chunking
+    update-exim4.conf
+    dpkg-reconfigure --frontend noninteractive exim4-config
+    systemctl restart exim4
+}
+
 function email_install_tls {
     tls_config_file=/etc/exim4/conf.d/main/03_exim4-config_tlsoptions
     tls_auth_config_file=/etc/exim4/conf.d/auth/30_exim4-config_examples