diff --git a/typo3/sysext/install/Classes/Controller/EnvironmentController.php b/typo3/sysext/install/Classes/Controller/EnvironmentController.php
index 10ce4bc4a431cdef1db48dd2e556e60437029fdb..8f423bdc87dd31cae457329f5d2a3d7db8fe404e 100644
--- a/typo3/sysext/install/Classes/Controller/EnvironmentController.php
+++ b/typo3/sysext/install/Classes/Controller/EnvironmentController.php
@@ -239,7 +239,6 @@ class EnvironmentController extends AbstractController
             'mailTestToken' => $formProtection->generateToken('installTool', 'mailTest'),
             'mailTestSenderAddress' => $this->getSenderEmailAddress(),
             'isSendPossible' => $isSendPossible,
-            'queueIdentifier' => 'install',
         ]);
 
         return new JsonResponse([
diff --git a/typo3/sysext/install/Resources/Private/Templates/Environment/MailTest.html b/typo3/sysext/install/Resources/Private/Templates/Environment/MailTest.html
index 59f4b0c61455957e6c7ab5c96d4b0cd308496c07..5e7426af09b6a1abe0b874bcb9680b31b3318735 100644
--- a/typo3/sysext/install/Resources/Private/Templates/Environment/MailTest.html
+++ b/typo3/sysext/install/Resources/Private/Templates/Environment/MailTest.html
@@ -2,6 +2,7 @@
 
 <p>
     Check the basic mail functionality by entering your email address here and clicking the button.
+    You should then receive a test email from "{mailTestSenderAddress}".
 </p>
 
 <p>
@@ -17,12 +18,13 @@
         <code>$GLOBALS['TYPO3_CONF_VARS']['MAIL']['transport_smtp_*']</code> is valid. Wrong data here results in faulty
         requests to the mail server. You can find the resulting messages in the mail server log.
     </li>
-    <li>
-        <code>$GLOBALS['TYPO3_CONF_VARS']['MAIL']['transport']['defaultMailFromAddress']</code> must be a valid email
-        address.
-    </li>
 </ul>
 
+<p>
+    Not receiving the test email could also be a consequence of it being intercepted by a spam filter or due to the
+    sending domain's email security settings, such as SPF record, which may prevent successful delivery.
+</p>
+
 <div class="t3js-module-content" data-mail-test-token="{mailTestToken}">
     <div class="t3js-mailTest-output"></div>