From a97e880222303b2c68e5dca2e8138c91fdd6c69f Mon Sep 17 00:00:00 2001
From: Olha Syzova <olha.syzova@rocketweb.com>
Date: Mon, 23 Apr 2018 16:07:46 +0300
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 649c653ef1a65..9c9b4dc3e87a7 100644
--- a/app/code/Magento/Paypal/Model/Express/Checkout.php
+++ b/app/code/Magento/Paypal/Model/Express/Checkout.php
@@ -809,7 +809,9 @@ 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: