From c1c075a69e238dc83c9eee651224a330271a7c43 Mon Sep 17 00:00:00 2001
From: Marcus Bointon <marcus@synchromedia.co.uk>
Date: Thu, 12 Sep 2024 09:20:00 +0200
Subject: [PATCH] This will never match, so look for a string instead

---
 src/PHPMailer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PHPMailer.php b/src/PHPMailer.php
index 75b6f75e..9d53b1e1 100644
--- a/src/PHPMailer.php
+++ b/src/PHPMailer.php
@@ -4224,7 +4224,7 @@ class PHPMailer
             $result = $_SERVER['SERVER_NAME'];
         } elseif (function_exists('gethostname') && gethostname() !== false) {
             $result = gethostname();
-        } elseif (php_uname('n') !== false) {
+        } elseif (php_uname('n') !== '') {
             $result = php_uname('n');
         }
         if (!static::isValidHost($result)) {