From fa3f901cf87d2b97297cd625a039f2ba0a1530ff Mon Sep 17 00:00:00 2001
From: Hugo Monteiro <hugo.monteiro@gmail.com>
Date: Mon, 25 Nov 2019 14:55:17 +0000
Subject: [PATCH] mailer: mailchimp bridge is throwing undefined index _id when
 setting message id in mandrill http transport

---
 .../Mailer/Bridge/Mailchimp/Transport/MandrillHttpTransport.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Mailer/Bridge/Mailchimp/Transport/MandrillHttpTransport.php b/src/Symfony/Component/Mailer/Bridge/Mailchimp/Transport/MandrillHttpTransport.php
index 2c90472fc6dc6..17f7a7fcf3364 100644
--- a/src/Symfony/Component/Mailer/Bridge/Mailchimp/Transport/MandrillHttpTransport.php
+++ b/src/Symfony/Component/Mailer/Bridge/Mailchimp/Transport/MandrillHttpTransport.php
@@ -60,7 +60,7 @@ protected function doSendHttp(SentMessage $message): ResponseInterface
             throw new HttpTransportException(sprintf('Unable to send an email (code %s).', $result['code']), $response);
         }
 
-        $message->setMessageId($result['_id']);
+        $message->setMessageId($result[0]['_id']);
 
         return $response;
     }