diff --git a/assets/vue/views/message/MessageList.vue b/assets/vue/views/message/MessageList.vue
index 297c3a2a3d..f3e0a0c692 100644
--- a/assets/vue/views/message/MessageList.vue
+++ b/assets/vue/views/message/MessageList.vue
@@ -429,7 +429,7 @@ function sortingChanged(event) {
 }
 
 function findMyReceiver(message) {
-  const receivers = [...message.receiversTo, ...message.receiversCc]
+  const receivers = [...message.receiversTo, ...message.receiversCc, ...message.receiversSender]
 
   return receivers.find(({ receiver }) => receiver["@id"] === securityStore.user["@id"])
 }
diff --git a/assets/vue/views/message/MessageShow.vue b/assets/vue/views/message/MessageShow.vue
index 594057d9c0..342c0a168a 100644
--- a/assets/vue/views/message/MessageShow.vue
+++ b/assets/vue/views/message/MessageShow.vue
@@ -188,7 +188,7 @@ store.dispatch("message/load", id).then((responseItem) => {
 })
 
 function findMyReceiver(message) {
-  const receivers = [...message.receiversTo, ...message.receiversCc]
+  const receivers = [...message.receiversTo, ...message.receiversCc, ...message.receiversSender]
   return receivers.find(({ receiver }) => receiver["@id"] === securityStore.user["@id"])
 }
 
diff --git a/src/CoreBundle/Entity/Message.php b/src/CoreBundle/Entity/Message.php
index ca7b8d0240..6eaf7b4551 100644
--- a/src/CoreBundle/Entity/Message.php
+++ b/src/CoreBundle/Entity/Message.php
@@ -222,6 +222,17 @@ class Message
         ;
     }
 
+    #[Groups(['message:read'])]
+    public function getReceiversSender(): array
+    {
+        return $this->receivers
+            ->filter(
+                fn (MessageRelUser $messageRelUser) => MessageRelUser::TYPE_SENDER === $messageRelUser->getReceiverType()
+            )
+            ->getValues()
+        ;
+    }
+
     #[Groups(['message:read'])]
     public function getFirstReceiver(): ?MessageRelUser
     {
diff --git a/src/CoreBundle/State/MessageProcessor.php b/src/CoreBundle/State/MessageProcessor.php
index 9efb64434f..1d6547a410 100644
--- a/src/CoreBundle/State/MessageProcessor.php
+++ b/src/CoreBundle/State/MessageProcessor.php
@@ -82,36 +82,6 @@ final class MessageProcessor implements ProcessorInterface
         return $message;
     }
 
-    private function processDeleteForUser($data): Message
-    {
-        /** @var Message $message */
-        $message = $data;
-
-        $request = $this->requestStack->getCurrentRequest();
-        if (!$request) {
-            throw new LogicException('Cannot get current request');
-        }
-
-        $requestData = json_decode($request->getContent(), true);
-        if (!isset($requestData['userId'])) {
-            throw new InvalidArgumentException('The field userId is required.');
-        }
-
-        $userId = $requestData['userId'];
-        $messageRelUserRepository = $this->entityManager->getRepository(MessageRelUser::class);
-        $messageRelUser = $messageRelUserRepository->findOneBy([
-            'message' => $message,
-            'receiver' => $userId,
-        ]);
-
-        if ($messageRelUser) {
-            $this->entityManager->remove($messageRelUser);
-            $this->entityManager->flush();
-        }
-
-        return $message;
-    }
-
     private function saveNotificationForInboxMessage(Message $message): void
     {
         $sender_info = api_get_user_info(