From e8b991c6de5dd1fb70cc5caa3a9e76560727a7b7 Mon Sep 17 00:00:00 2001
From: Pablo Martinez <pablomartinezfernandez@gmail.com>
Date: Thu, 11 Feb 2021 20:07:55 +0100
Subject: [PATCH] Update MailChimp.php

---
 src/MailChimp.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/MailChimp.php b/src/MailChimp.php
index e810836..2b8759c 100644
--- a/src/MailChimp.php
+++ b/src/MailChimp.php
@@ -337,7 +337,13 @@ private function getHeadersAsArray($headersAsString)
                 continue;
             }
 
-            list($key, $value) = explode(':', $line);
+            if (strpos($line, ':') !== false) {
+                list($key, $value) = explode(':', $line);
+            } else {
+                $key = null;
+                $value = $line;
+            }
+
             $value = ltrim($value);
 
             if ($key == 'Link') {