From f066817daad06075743765b4b81fc534e8345752 Mon Sep 17 00:00:00 2001
From: Alexander Skvortsov <38059171+askvortsov1@users.noreply.github.com>
Date: Sat, 12 Sep 2020 17:43:06 -0400
Subject: [PATCH] Allow upper case TLS and SSL for SMTP encryption (#2289)

---
 framework/core/src/Mail/SmtpDriver.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/framework/core/src/Mail/SmtpDriver.php b/framework/core/src/Mail/SmtpDriver.php
index eea13d0b0..5cca7adde 100644
--- a/framework/core/src/Mail/SmtpDriver.php
+++ b/framework/core/src/Mail/SmtpDriver.php
@@ -33,7 +33,7 @@ class SmtpDriver implements DriverInterface
         return $validator->make($settings->all(), [
             'mail_host' => 'required',
             'mail_port' => 'nullable|integer',
-            'mail_encryption' => 'nullable|in:tls,ssl',
+            'mail_encryption' => 'nullable|in:tls,ssl,TLS,SSL',
             'mail_username' => 'nullable|string',
             'mail_password' => 'nullable|string',
         ])->errors();