diff --git a/components/ILIAS/Mail/classes/class.ilMailFolderGUI.php b/components/ILIAS/Mail/classes/class.ilMailFolderGUI.php
index 4a1aa67830b8..bdc4da11b270 100755
--- a/components/ILIAS/Mail/classes/class.ilMailFolderGUI.php
+++ b/components/ILIAS/Mail/classes/class.ilMailFolderGUI.php
@@ -481,6 +481,15 @@ protected function showFolder(): void
             self::PARAM_TARGET_FOLDER
         );
 
+        $message_box = null;
+        if ($this->folder->isInbox()) {
+            $mail_options = new ilMailOptions($this->user->getId());
+            if ($mail_options->getIncomingType() === ilMailOptions::INCOMING_LOCAL) {
+                $message_box = $this->ui_factory->messageBox()->info($this->lng->txt('incoming_local_no_new_mails_inbox'));
+                $components = [$message_box, ...$components];
+            }
+        }
+
         $table = new MailFolderTableUI(
             $url_builder,
             $action_token,
diff --git a/lang/ilias_de.lang b/lang/ilias_de.lang
index 5118fa48df87..559221e71827 100644
--- a/lang/ilias_de.lang
+++ b/lang/ilias_de.lang
@@ -11460,6 +11460,7 @@ mail#:#deleteTemplate#:#Löschen
 mail#:#first_email_missing_info#:#Auswahl nicht möglich, da keine E-Mail-Adresse eingetragen wurde
 mail#:#forward#:#Weiterleiten
 mail#:#goto_invitation_chat#:#Chatraum öffnen
+mail#:#incoming_local_no_new_mails_inbox#:#Ihr Konto ist so konfiguriert, dass E-Mails an Ihre E-Mail-Adresse empfangen werden. <br>Sie können E-Mails in diesem Posteingang nur sehen, wenn Ihr Konto so konfiguriert ist, dass diese lokal empfangen werden.
 mail#:#invite_to_chat#:#in Chat einladen
 mail#:#link_check_affected_links#:#Betroffene Links
 mail#:#link_check_introduction#:#die folgenden Externen Links sind ungültig:
diff --git a/lang/ilias_en.lang b/lang/ilias_en.lang
index 8f4c14f6a05e..01bf84c189cf 100755
--- a/lang/ilias_en.lang
+++ b/lang/ilias_en.lang
@@ -11461,6 +11461,7 @@ mail#:#deleteTemplate#:#Delete
 mail#:#first_email_missing_info#:#Selection not possible because no e-mail address has been entered
 mail#:#forward#:#Forward
 mail#:#goto_invitation_chat#:#Open Chat Room
+mail#:#incoming_local_no_new_mails_inbox#:#Your account is configured to receive mails to your mail address. <br>You can only see mails in this inbox if your account is configured to receive them locally.
 mail#:#invite_to_chat#:#Invite to Chat
 mail#:#link_check_affected_links#:#Affected Links
 mail#:#link_check_introduction#:#the following weblinks are invalid: