From 1d363799b4f373e8e7df10aedb9f9e7bebb0be70 Mon Sep 17 00:00:00 2001
From: Gordon Zhao <gordon@devcon.tech>
Date: Mon, 20 Nov 2023 20:42:02 +1000
Subject: [PATCH] https://github.com/Webklex/php-imap/pull/372

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

diff --git a/src/Message.php b/src/Message.php
index 4137db9a..35062266 100755
--- a/src/Message.php
+++ b/src/Message.php
@@ -589,7 +589,7 @@ protected function fetchAttachment(Part $part) {
         $oAttachment = new Attachment($this, $part);
 
         if ($oAttachment->getName() !== null && $oAttachment->getSize() > 0) {
-            if ($oAttachment->getId() !== null) {
+            if ($oAttachment->getId() !== null && $this->attachments->offsetExists($oAttachment->getId())) {
                 $this->attachments->put($oAttachment->getId(), $oAttachment);
             } else {
                 $this->attachments->push($oAttachment);