From 4fcaf89aa8c555597813fd33796fd4df176c103c Mon Sep 17 00:00:00 2001
From: Disassembler <disassembler@dasm.cz>
Date: Sat, 14 Oct 2017 12:07:15 +0200
Subject: [PATCH] Add Postfix configuration, restrict to IPv4, related to #121

---
 01-basic.sh               |  6 ++++++
 basic/etc/postfix/main.cf | 13 +++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 basic/etc/postfix/main.cf

diff --git a/01-basic.sh b/01-basic.sh
index 236a37e..da57b39 100755
--- a/01-basic.sh
+++ b/01-basic.sh
@@ -71,6 +71,12 @@ echo postfix postfix/relayhost string "" | debconf-set-selections
 # Install packages
 apt-get -y --no-install-recommends install postfix
 
+# Configure Postfix
+cp ${SOURCE_DIR}/basic/etc/postfix/main.cf /etc/postfix/main.cf
+
+# Restart services
+systemctl restart postfix
+
 
 #####
 # LXC
diff --git a/basic/etc/postfix/main.cf b/basic/etc/postfix/main.cf
new file mode 100644
index 0000000..2b9e3c5
--- /dev/null
+++ b/basic/etc/postfix/main.cf
@@ -0,0 +1,13 @@
+append_dot_mydomain = no
+biff = no
+compatibility_level = 2
+inet_interfaces = loopback-only
+inet_protocols = ipv4
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+recipient_delimiter = +
+smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
+smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
+smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
+smtpd_use_tls=yes
+smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
+smtp_use_tls=yes