From 0799789a0f53e055ed02d2ea3afc9745b00ebf4e Mon Sep 17 00:00:00 2001
From: Yaroslav Rogoza <enarc@atwix.com>
Date: Wed, 9 May 2018 10:37:19 +0200
Subject: [PATCH] Duplicate Order Confirmation Emails for PayPal Express
 checkout order

---
 app/code/Magento/Paypal/Model/Express/Checkout.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/code/Magento/Paypal/Model/Express/Checkout.php b/app/code/Magento/Paypal/Model/Express/Checkout.php
index 59360f4b0745b..b3dd1af692045 100644
--- a/app/code/Magento/Paypal/Model/Express/Checkout.php
+++ b/app/code/Magento/Paypal/Model/Express/Checkout.php
@@ -816,7 +816,9 @@ public function place($token, $shippingMethodCode = null)
             case \Magento\Sales\Model\Order::STATE_PROCESSING:
             case \Magento\Sales\Model\Order::STATE_COMPLETE:
             case \Magento\Sales\Model\Order::STATE_PAYMENT_REVIEW:
-                $this->orderSender->send($order);
+                if (!$order->getEmailSent()) {
+                    $this->orderSender->send($order);
+                }
                 $this->_checkoutSession->start();
                 break;
             default: