Issue #3075524 by heddn: Honour 'notification' toggle for emails

src/Services/Notify.php

@@ -109,6 +109,10 @@ class Notify implements NotifyInterface {
    * {@inheritdoc}
    */
   public function send() {
+    // Don't send mail if notifications are disabled.
+    if (!$this->configFactory->get('automatic_updates.settings')->get('notify')) {
+      return;
+    }
     $messages = $this->automaticUpdatesPsa->getPublicServiceMessages();
     if (!$messages) {
       return;

templates/automatic-updates-psa-notify.html.twig

 {#
 /**
  * @file
- * Template for the public service annoucements email notification.
+ * Template for the public service announcements email notification.
  *
  * Available variables:
  * - messages: The messages array
@@ -27,7 +27,9 @@
     <li>{{ message }}</li>
   {% endfor %}
 </ul>
-<p>To see all PSAs, visit <a href="https://www.drupal.org/security/psa" target="_blank">https://www.drupal.org/security/psa</a>.</p>
+<p>
+  {{ 'To see all PSAs, visit <a href="@uri">@uri</a>.'|t({'@uri': 'https://www.drupal.org/security/psa'}) }}
+</p>
 <p>
   {% set settings_link = path('automatic_updates.settings') %}
   {% trans %}