From 8069b9e9ae79c7282b46c1d01315d1fdbd3178c7 Mon Sep 17 00:00:00 2001
From: Alexis Mousset <contact@amousset.me>
Date: Sun, 26 Mar 2017 22:34:45 +0200
Subject: [PATCH] feat(transport-smtp): Disallow unencrypted connection by
 default

By default, do not silently use unencrypted transport.
---
 src/transport/smtp/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/transport/smtp/mod.rs b/src/transport/smtp/mod.rs
index 8db7db9..62737e2 100644
--- a/src/transport/smtp/mod.rs
+++ b/src/transport/smtp/mod.rs
@@ -102,7 +102,7 @@ impl SmtpTransportBuilder {
                 Ok(SmtpTransportBuilder {
                        server_addr: addr,
                        ssl_context: SslContext::builder(SslMethod::tls()).unwrap().build(),
-                       security_level: SecurityLevel::Opportunistic,
+                       security_level: SecurityLevel::AlwaysEncrypt,
                        smtp_utf8: false,
                        credentials: None,
                        connection_reuse_count_limit: 100,