From 6c7c1fd806de90a30cdd7e1b12fed7e4407bb789 Mon Sep 17 00:00:00 2001
From: Antoine Nguyen <tonio@ngyn.org>
Date: Wed, 8 Jun 2016 10:20:33 +0200
Subject: [PATCH] Enable TLS encryption.

fix #52
---
 modoboa_installer/scripts/files/postfix/main.cf.tpl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modoboa_installer/scripts/files/postfix/main.cf.tpl b/modoboa_installer/scripts/files/postfix/main.cf.tpl
index 700a532..9ca1d19 100644
--- a/modoboa_installer/scripts/files/postfix/main.cf.tpl
+++ b/modoboa_installer/scripts/files/postfix/main.cf.tpl
@@ -42,6 +42,10 @@ smtpd_tls_mandatory_exclude_ciphers = ECDHE-RSA-RC4-SHA
 # Enable elliptic curve cryptography
 smtpd_tls_eecdh_grade = strong
 
+# Use TLS if this is supported by the remote SMTP server, otherwise use plaintext.
+smtp_tls_security_level = may
+smtp_tls_loglevel = 1
+
 ## Virtual transport settings
 #
 %{dovecot_enabled}virtual_transport = lmtp:unix:private/dovecot-lmtp