From 483f1fcc2c0b584dfe6ab4a52ea16ce546e6b1aa Mon Sep 17 00:00:00 2001
From: Maxim <serieznyi@users.noreply.github.com>
Date: Tue, 23 Feb 2016 00:04:00 +0300
Subject: [PATCH] convert encryption protocol value to lower case

---
 lib/classes/Swift/Transport/EsmtpTransport.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/classes/Swift/Transport/EsmtpTransport.php b/lib/classes/Swift/Transport/EsmtpTransport.php
index a1cd0dcd1..aaaeca835 100644
--- a/lib/classes/Swift/Transport/EsmtpTransport.php
+++ b/lib/classes/Swift/Transport/EsmtpTransport.php
@@ -140,6 +140,10 @@ public function getTimeout()
      */
     public function setEncryption($encryption)
     {
+        if (is_string($encryption)) {
+            $encryption = strtolower($encryption);    
+        }
+
         if ('tls' == $encryption) {
             $this->_params['protocol'] = 'tcp';
             $this->_params['tls'] = true;