diff --git a/src/Repository/MagazineSubscriptionRepository.php b/src/Repository/MagazineSubscriptionRepository.php
index b34436567..0e9064110 100644
--- a/src/Repository/MagazineSubscriptionRepository.php
+++ b/src/Repository/MagazineSubscriptionRepository.php
@@ -31,6 +31,9 @@ public function __construct(ManagerRegistry $registry)
         parent::__construct($registry, MagazineSubscription::class);
     }
 
+    /**
+     * @return MagazineSubscription[]
+     */
     public function findNewEntrySubscribers(Entry $entry): array
     {
         return $this->createQueryBuilder('ms')
@@ -46,7 +49,10 @@ public function findNewEntrySubscribers(Entry $entry): array
             ->getResult();
     }
 
-    public function findNewPostSubscribers(Post $post)
+    /**
+     * @return MagazineSubscription[]
+     */
+    public function findNewPostSubscribers(Post $post): array
     {
         return $this->createQueryBuilder('ms')
             ->addSelect('u')
diff --git a/src/Service/Notification/EntryCommentNotificationManager.php b/src/Service/Notification/EntryCommentNotificationManager.php
index 017e71321..55ca0b736 100644
--- a/src/Service/Notification/EntryCommentNotificationManager.php
+++ b/src/Service/Notification/EntryCommentNotificationManager.php
@@ -59,10 +59,10 @@ public function sendCreated(ContentInterface $subject): void
         if ($subject->user->isBanned || $subject->user->isDeleted || $subject->user->isTrashed() || $subject->user->isSoftDeleted()) {
             return;
         }
+        if (!$subject instanceof EntryComment) {
+            throw new \LogicException();
+        }
 
-        /**
-         * @var EntryComment $subject
-         */
         $users = $this->sendMentionedNotification($subject);
         $users = $this->sendUserReplyNotification($subject, $users);
         $this->sendMagazineSubscribersNotification($subject, $users);
@@ -223,17 +223,17 @@ private function notifyMagazine(Notification $notification): void
 
     public function sendEdited(ContentInterface $subject): void
     {
-        /*
-         * @var EntryComment $subject
-         */
+        if (!$subject instanceof EntryComment) {
+            throw new \LogicException();
+        }
         $this->notifyMagazine(new EntryCommentEditedNotification($subject->user, $subject));
     }
 
     public function sendDeleted(ContentInterface $subject): void
     {
-        /*
-         * @var EntryComment $subject
-         */
+        if (!$subject instanceof EntryComment) {
+            throw new \LogicException();
+        }
         $this->notifyMagazine($notification = new EntryCommentDeletedNotification($subject->user, $subject));
     }
 
diff --git a/src/Service/Notification/EntryNotificationManager.php b/src/Service/Notification/EntryNotificationManager.php
index 722aa8adc..a7f97bb24 100644
--- a/src/Service/Notification/EntryNotificationManager.php
+++ b/src/Service/Notification/EntryNotificationManager.php
@@ -12,6 +12,7 @@
 use App\Entity\EntryMentionedNotification;
 use App\Entity\Magazine;
 use App\Entity\Notification;
+use App\Entity\User;
 use App\Event\NotificationCreatedEvent;
 use App\Factory\MagazineFactory;
 use App\Repository\MagazineLogRepository;
@@ -22,6 +23,7 @@
 use App\Service\ImageManager;
 use App\Service\MentionManager;
 use App\Service\SettingsManager;
+use App\Service\UserManager;
 use App\Utils\IriGenerator;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -47,17 +49,21 @@ public function __construct(
         private readonly EntityManagerInterface $entityManager,
         private readonly ImageManager $imageManager,
         private readonly GenerateHtmlClassService $classService,
+        private readonly UserManager $userManager,
         private readonly SettingsManager $settingsManager
     ) {
     }
 
-    // @todo check if author is on the block list
     public function sendCreated(ContentInterface $subject): void
     {
         if ($subject->user->isBanned || $subject->user->isDeleted || $subject->user->isTrashed() || $subject->user->isSoftDeleted()) {
             return;
         }
 
+        if (!$subject instanceof Entry) {
+            throw new \LogicException();
+        }
+
         /*
          * @var Entry $subject
          */
@@ -66,7 +72,7 @@ public function sendCreated(ContentInterface $subject): void
         // Notify mentioned
         $mentions = MentionManager::clearLocal($this->mentionManager->extract($subject->body));
         foreach ($this->mentionManager->getUsersFromArray($mentions) as $user) {
-            if (!$user->apId) {
+            if (!$user->apId && !$user->isBlocked($subject->user)) {
                 $notification = new EntryMentionedNotification($user, $subject);
                 $this->entityManager->persist($notification);
                 $this->eventDispatcher->dispatch(new NotificationCreatedEvent($notification));
@@ -74,6 +80,7 @@ public function sendCreated(ContentInterface $subject): void
         }
 
         // Notify subscribers
+        /** @var User[] $subscribers */
         $subscribers = $this->merge(
             $this->getUsersToNotify($this->magazineRepository->findNewEntrySubscribers($subject)),
             [] // @todo user followers
@@ -82,9 +89,11 @@ public function sendCreated(ContentInterface $subject): void
         $subscribers = array_filter($subscribers, fn ($s) => !\in_array($s->username, $mentions ?? []));
 
         foreach ($subscribers as $subscriber) {
-            $notification = new EntryCreatedNotification($subscriber, $subject);
-            $this->entityManager->persist($notification);
-            $this->eventDispatcher->dispatch(new NotificationCreatedEvent($notification));
+            if (!$subscriber->isBlocked($subject->user)) {
+                $notification = new EntryCreatedNotification($subscriber, $subject);
+                $this->entityManager->persist($notification);
+                $this->eventDispatcher->dispatch(new NotificationCreatedEvent($notification));
+            }
         }
 
         $this->entityManager->flush();
@@ -144,17 +153,17 @@ private function getResponse(Notification $notification): string
 
     public function sendEdited(ContentInterface $subject): void
     {
-        /*
-         * @var Entry $subject
-         */
+        if (!$subject instanceof Entry) {
+            throw new \LogicException();
+        }
         $this->notifyMagazine(new EntryEditedNotification($subject->user, $subject));
     }
 
     public function sendDeleted(ContentInterface $subject): void
     {
-        /*
-         * @var Entry $subject
-         */
+        if (!$subject instanceof Entry) {
+            throw new \LogicException();
+        }
         $this->notifyMagazine($notification = new EntryDeletedNotification($subject->user, $subject));
     }
 
diff --git a/src/Service/Notification/NotificationTrait.php b/src/Service/Notification/NotificationTrait.php
index 4ccfebc46..33347f9bd 100644
--- a/src/Service/Notification/NotificationTrait.php
+++ b/src/Service/Notification/NotificationTrait.php
@@ -4,8 +4,16 @@
 
 namespace App\Service\Notification;
 
+use App\Entity\MagazineSubscription;
+use App\Entity\User;
+
 trait NotificationTrait
 {
+    /**
+     * @param MagazineSubscription[] $subscriptions
+     *
+     * @return User[]
+     */
     private function getUsersToNotify(array $subscriptions): array
     {
         return array_map(fn ($sub) => $sub->user, $subscriptions);
diff --git a/src/Service/Notification/PostCommentNotificationManager.php b/src/Service/Notification/PostCommentNotificationManager.php
index 25b2674b8..d7a8241a1 100644
--- a/src/Service/Notification/PostCommentNotificationManager.php
+++ b/src/Service/Notification/PostCommentNotificationManager.php
@@ -53,16 +53,15 @@ public function __construct(
     ) {
     }
 
-    // @todo check if author is on the block list
     public function sendCreated(ContentInterface $subject): void
     {
         if ($subject->user->isBanned || $subject->user->isDeleted || $subject->user->isTrashed() || $subject->user->isSoftDeleted()) {
             return;
         }
+        if (!$subject instanceof PostComment) {
+            throw new \LogicException();
+        }
 
-        /**
-         * @var PostComment $subject
-         */
         $users = $this->sendMentionedNotification($subject);
         $users = $this->sendUserReplyNotification($subject, $users);
         $this->sendMagazineSubscribersNotification($subject, $users);
@@ -222,17 +221,17 @@ private function notifyMagazine(Notification $notification): void
 
     public function sendEdited(ContentInterface $subject): void
     {
-        /*
-         * @var PostComment $subject
-         */
+        if (!$subject instanceof PostComment) {
+            throw new \LogicException();
+        }
         $this->notifyMagazine(new PostCommentEditedNotification($subject->user, $subject));
     }
 
     public function sendDeleted(ContentInterface $subject): void
     {
-        /*
-         * @var PostComment $subject
-         */
+        if (!$subject instanceof PostComment) {
+            throw new \LogicException();
+        }
         $this->notifyMagazine($notification = new PostCommentDeletedNotification($subject->user, $subject));
     }
 
diff --git a/src/Service/Notification/PostNotificationManager.php b/src/Service/Notification/PostNotificationManager.php
index 7661adebe..662e569c3 100644
--- a/src/Service/Notification/PostNotificationManager.php
+++ b/src/Service/Notification/PostNotificationManager.php
@@ -11,6 +11,7 @@
 use App\Entity\PostDeletedNotification;
 use App\Entity\PostEditedNotification;
 use App\Entity\PostMentionedNotification;
+use App\Entity\User;
 use App\Event\NotificationCreatedEvent;
 use App\Factory\MagazineFactory;
 use App\Repository\MagazineLogRepository;
@@ -50,27 +51,29 @@ public function __construct(
     ) {
     }
 
-    // @todo check if author is on the block list
     public function sendCreated(ContentInterface $subject): void
     {
         if ($subject->user->isBanned || $subject->user->isDeleted || $subject->user->isTrashed() || $subject->user->isSoftDeleted()) {
             return;
         }
+        if (!$subject instanceof Post) {
+            throw new \LogicException();
+        }
 
-        /*
-         * @var Post $subject
-         */
         $this->notifyMagazine(new PostCreatedNotification($subject->user, $subject));
 
         // Notify mentioned
         $mentions = MentionManager::clearLocal($this->mentionManager->extract($subject->body));
         foreach ($this->mentionManager->getUsersFromArray($mentions) as $user) {
-            $notification = new PostMentionedNotification($user, $subject);
-            $this->entityManager->persist($notification);
-            $this->eventDispatcher->dispatch(new NotificationCreatedEvent($notification));
+            if (!$user->isBlocked($subject->user)) {
+                $notification = new PostMentionedNotification($user, $subject);
+                $this->entityManager->persist($notification);
+                $this->eventDispatcher->dispatch(new NotificationCreatedEvent($notification));
+            }
         }
 
         // Notify subscribers
+        /** @var User[] $subscribers */
         $subscribers = $this->merge(
             $this->getUsersToNotify($this->magazineRepository->findNewPostSubscribers($subject)),
             [] // @todo user followers
@@ -79,15 +82,17 @@ public function sendCreated(ContentInterface $subject): void
         $subscribers = array_filter($subscribers, fn ($s) => !\in_array($s->username, $mentions ?? []));
 
         foreach ($subscribers as $subscriber) {
-            $notification2 = new PostCreatedNotification($subscriber, $subject);
-            $this->entityManager->persist($notification2);
-            $this->eventDispatcher->dispatch(new NotificationCreatedEvent($notification2));
+            if (!$subscriber->isBlocked($subject->user)) {
+                $notification2 = new PostCreatedNotification($subscriber, $subject);
+                $this->entityManager->persist($notification2);
+                $this->eventDispatcher->dispatch(new NotificationCreatedEvent($notification2));
+            }
         }
 
         $this->entityManager->flush();
     }
 
-    private function notifyMagazine(Notification $notification)
+    private function notifyMagazine(Notification $notification): void
     {
         if (false === $this->settingsManager->get('KBIN_MERCURE_ENABLED')) {
             return;
@@ -139,18 +144,18 @@ private function getResponse(Notification $notification): string
 
     public function sendEdited(ContentInterface $subject): void
     {
-        /*
-         * @var Post $subject
-         */
+        if (!$subject instanceof Post) {
+            throw new \LogicException();
+        }
         $this->notifyMagazine(new PostEditedNotification($subject->user, $subject));
     }
 
-    public function sendDeleted(ContentInterface $post): void
+    public function sendDeleted(ContentInterface $subject): void
     {
-        /*
-         * @var Post $post
-         */
-        $this->notifyMagazine($notification = new PostDeletedNotification($post->user, $post));
+        if (!$subject instanceof Post) {
+            throw new \LogicException();
+        }
+        $this->notifyMagazine($notification = new PostDeletedNotification($subject->user, $subject));
     }
 
     public function purgeNotifications(Post $post): void