diff --git a/01-basic.sh b/01-basic.sh
index de0afc2..36ba2f0 100755
--- a/01-basic.sh
+++ b/01-basic.sh
@@ -27,7 +27,7 @@ cp ${SOURCE_DIR}/etc/issue.template /etc/issue.template
 cp ${SOURCE_DIR}/sbin/issue-gen /sbin/issue-gen
 
 # Configure Postfix
-# cp ${SOURCE_DIR}/etc/postfix/main.cf /etc/postfix/main.cf
+cp ${SOURCE_DIR}/etc/postfix/main.cf /etc/postfix/main.cf
 
 # Create a self-signed certificate
 mkdir /etc/ssl/private
diff --git a/basic/etc/postfix/main.cf b/basic/etc/postfix/main.cf
index 2b9e3c5..12933f9 100644
--- a/basic/etc/postfix/main.cf
+++ b/basic/etc/postfix/main.cf
@@ -3,11 +3,6 @@ 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:${data_directory}/smtpd_scache
-smtpd_use_tls=yes
+mynetworks = 127.0.0.0/8 172.17.0.0/24
 smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
 smtp_use_tls=yes