1 files changed, 4 insertions, 0 deletions
diff --git a/Postman/Postman-Mail/PostmanMailgunMailEngine.php b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
index abb0466..ce1ebb7 100644
--- a/Postman/Postman-Mail/PostmanMailgunMailEngine.php
+++ b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
@@ -1,4 +1,8 @@
 <?php
+if ( ! defined( 'ABSPATH' ) ) {
+    exit; // Exit if accessed directly
+}
+
 require_once 'mailgun/mailgun.php';
 
 use Mailgun\Mailgun;