diff --git a/be/app/Events/SubTaskDeleted.php b/be/app/Events/SubTaskDeleted.php
new file mode 100644
index 0000000..7b749c9
--- /dev/null
+++ b/be/app/Events/SubTaskDeleted.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Events;
+
+use App\Models\SubTask;
+use Illuminate\Broadcasting\Channel;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Broadcasting\PresenceChannel;
+use Illuminate\Broadcasting\PrivateChannel;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class SubTaskDeleted
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    public $subtask;
+
+    /**
+     * Create a new event instance.
+     *
+     * @return void
+     */
+    public function __construct(SubTask $subtask)
+    {
+        $this->subtask = $subtask;
+    }
+
+    /**
+     * Get the channels the event should broadcast on.
+     *
+     * @return \Illuminate\Broadcasting\Channel|array
+     */
+    public function broadcastOn()
+    {
+        return new PrivateChannel('channel-name');
+    }
+}
diff --git a/be/app/Listeners/SendDeletedSubTaskNotification.php b/be/app/Listeners/SendDeletedSubTaskNotification.php
new file mode 100644
index 0000000..129d87b
--- /dev/null
+++ b/be/app/Listeners/SendDeletedSubTaskNotification.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Listeners;
+
+use App\Events\SubTaskDeleted;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Support\Facades\Mail;
+
+// naschval nedavam implement ShouldQueue, pretoze bol problem s tym, ze subtask uz neexistoval
+class SendDeletedSubTaskNotification
+{
+    /**
+     * Create the event listener.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Handle the event.
+     *
+     * @param  object  $event
+     * @return void
+     */
+    public function handle(SubTaskDeleted $event)
+    {
+        $receiversArray[] = $event->subtask->user->email;
+        $receiversArray[] = \App\Models\User::find($event->subtask->created_by)->email;
+
+        Mail::to( $receiversArray )->send( new \App\Mail\SubTaskDeleted( $event->subtask ) );
+    }
+}
diff --git a/be/app/Listeners/SendEditedMasterTaskNotification.php b/be/app/Listeners/SendEditedMasterTaskNotification.php
index ef66494..a33b846 100644
--- a/be/app/Listeners/SendEditedMasterTaskNotification.php
+++ b/be/app/Listeners/SendEditedMasterTaskNotification.php
@@ -4,10 +4,9 @@ namespace App\Listeners;
 
 use App\Events\MasterTaskEdited;
 use Illuminate\Contracts\Queue\ShouldQueue;
-use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Support\Facades\Mail;
 
-class SendEditedMasterTaskNotification
+class SendEditedMasterTaskNotification implements ShouldQueue
 {
     /**
      * Create the event listener.
@@ -29,11 +28,22 @@ class SendEditedMasterTaskNotification
     {
         $difference = [];
 
+        $editedMasterTaskArray = $event->mastertask->toArray();
+        $originalMasterTaskArray = $event->originalMastertask;
+
+        // unset key from array
+        unset($editedMasterTaskArray['created_at']);
+        unset($editedMasterTaskArray['updated_at']);
+        unset($editedMasterTaskArray['subtasks']);
+
+        unset($originalMasterTaskArray['created_at']);
+        unset($originalMasterTaskArray['updated_at']);
+
         // get the difference between $mastertask and $originalMastertask
-        $modelDiff = array_diff($event->mastertask->toArray(), $event->originalMastertask);
+        $modelDiff = array_diff_assoc($editedMasterTaskArray, $originalMasterTaskArray);
 
         foreach ( $modelDiff as $key => $diff ) {
-            if (in_array($key, ['created_at', 'updated_at', 'status'])) {
+            if (in_array($key, ['status'])) {
                 continue;
             }
 
@@ -41,7 +51,9 @@ class SendEditedMasterTaskNotification
             if ($key == 'is_finished' && $diff == 0) {
                 foreach ( $event->mastertask->subtasks as $subtask ) {
 //            Mail::to( $subtask->user->email )->send( new \App\Mail\MasterTaskEdited( $event->mastertask, $difference ) );
-                    Mail::to( 'feher@studiotem.com' )->send( new \App\Mail\MasterTaskEdited( $event->mastertask, $difference ) );
+                    Mail::to( 'feher@studiotem.com' )->send( new \App\Mail\MasterTaskReopened( $event->mastertask ) );
+
+                    return;
                 }
             }
 
diff --git a/be/app/Listeners/SendNewSubTaskEmailNotification.php b/be/app/Listeners/SendNewSubTaskEmailNotification.php
new file mode 100644
index 0000000..31524ab
--- /dev/null
+++ b/be/app/Listeners/SendNewSubTaskEmailNotification.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Listeners;
+
+use App\Events\SubTaskCreated;
+use App\Mail\NewTask;
+use App\Mail\PasswordReset;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Support\Facades\Mail;
+
+class SendNewSubTaskEmailNotification implements ShouldQueue
+{
+    /**
+     * Create the event listener.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Handle the event.
+     *
+     * @param  \App\Events\SubTaskCreated  $event
+     * @return void
+     */
+    public function handle(SubTaskCreated $event)
+    {
+//        Mail::to( $event->subtask->user->email )->send( new NewTask( $event->subtask ) );
+        Mail::to( 'feher@studiotem.com' )->send( new NewTask( $event->subtask ) );
+    }
+}
diff --git a/be/app/Mail/MasterTaskReopened.php b/be/app/Mail/MasterTaskReopened.php
new file mode 100644
index 0000000..0efe114
--- /dev/null
+++ b/be/app/Mail/MasterTaskReopened.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Mail;
+
+use App\Models\MasterTask;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\SerializesModels;
+
+class MasterTaskReopened extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    public $mastertask;
+
+    /**
+     * Create a new message instance.
+     *
+     * @return void
+     */
+    public function __construct(MasterTask $mastertask)
+    {
+        $this->mastertask = $mastertask;
+    }
+
+    /**
+     * Get the message envelope.
+     *
+     * @return \Illuminate\Mail\Mailables\Envelope
+     */
+    public function envelope()
+    {
+        return new Envelope(
+            subject: 'Master Task ' . $this->mastertask->title . ' was reopened',
+        );
+    }
+
+    /**
+     * Get the message content definition.
+     *
+     * @return \Illuminate\Mail\Mailables\Content
+     */
+    public function content()
+    {
+        return new Content(
+            view: 'emails.task.master_task_reopened',
+        );
+    }
+
+    /**
+     * Get the attachments for the message.
+     *
+     * @return array
+     */
+    public function attachments()
+    {
+        return [];
+    }
+}
diff --git a/be/app/Mail/NewTask.php b/be/app/Mail/NewTask.php
index 0bf04a0..c4c412c 100644
--- a/be/app/Mail/NewTask.php
+++ b/be/app/Mail/NewTask.php
@@ -46,7 +46,7 @@ class NewTask extends Mailable
     public function content()
     {
         return new Content(
-            view: 'emails.task.new_task_created',
+            view: 'emails.task.sub_task_created',
         );
     }
 
diff --git a/be/app/Mail/SubTaskDeleted.php b/be/app/Mail/SubTaskDeleted.php
new file mode 100644
index 0000000..46487f4
--- /dev/null
+++ b/be/app/Mail/SubTaskDeleted.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Mail;
+
+use App\Models\SubTask;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\SerializesModels;
+
+class SubTaskDeleted extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    public $subtask;
+
+    /**
+     * Create a new message instance.
+     *
+     * @return void
+     */
+    public function __construct(SubTask $subtask)
+    {
+        $this->subtask = $subtask;
+    }
+
+    /**
+     * Get the message envelope.
+     *
+     * @return \Illuminate\Mail\Mailables\Envelope
+     */
+    public function envelope()
+    {
+        return new Envelope(
+            subject: 'Sub Task ' . $this->subtask->mastertask->title . ' was deleted',
+        );
+    }
+
+    /**
+     * Get the message content definition.
+     *
+     * @return \Illuminate\Mail\Mailables\Content
+     */
+    public function content()
+    {
+        return new Content(
+            view: 'emails.task.sub_task_deleted',
+        );
+    }
+
+    /**
+     * Get the attachments for the message.
+     *
+     * @return array
+     */
+    public function attachments()
+    {
+        return [];
+    }
+}
diff --git a/be/app/Observers/SubTaskObserver.php b/be/app/Observers/SubTaskObserver.php
index 9c84ff0..b16da2e 100644
--- a/be/app/Observers/SubTaskObserver.php
+++ b/be/app/Observers/SubTaskObserver.php
@@ -3,6 +3,7 @@
 namespace App\Observers;
 
 use App\Events\SubTaskCreated;
+use App\Events\SubTaskDeleted;
 use App\Models\SubTask;
 
 class SubTaskObserver
@@ -46,7 +47,7 @@ class SubTaskObserver
      */
     public function deleted(SubTask $subTask)
     {
-        //
+        SubTaskDeleted::dispatch($subTask);
     }
 
     /**
diff --git a/be/app/Providers/EventServiceProvider.php b/be/app/Providers/EventServiceProvider.php
index 8ab9100..113684f 100644
--- a/be/app/Providers/EventServiceProvider.php
+++ b/be/app/Providers/EventServiceProvider.php
@@ -4,8 +4,10 @@ namespace App\Providers;
 
 use App\Events\MasterTaskEdited;
 use App\Events\SubTaskCreated;
+use App\Events\SubTaskDeleted;
+use App\Listeners\SendDeletedSubTaskNotification;
 use App\Listeners\SendEditedMasterTaskNotification;
-use App\Listeners\SendNewTaskEmailNotification;
+use App\Listeners\SendNewSubTaskEmailNotification;
 use App\Models\MasterTask;
 use App\Models\SubTask;
 use App\Observers\MasterTaskObserver;
@@ -27,9 +29,12 @@ class EventServiceProvider extends ServiceProvider
             SendEmailVerificationNotification::class,
         ],
         SubTaskCreated::class => [
-            SendNewTaskEmailNotification::class,
+            SendNewSubTaskEmailNotification::class,
             //LogEvent::class,
         ],
+        SubTaskDeleted::class => [
+            SendDeletedSubTaskNotification::class
+        ],
         MasterTaskEdited::class => [
             SendEditedMasterTaskNotification::class
         ],
diff --git a/be/resources/views/emails/task/master_task_reopened.blade.php b/be/resources/views/emails/task/master_task_reopened.blade.php
new file mode 100644
index 0000000..27c794c
--- /dev/null
+++ b/be/resources/views/emails/task/master_task_reopened.blade.php
@@ -0,0 +1 @@
+Master Task {{$mastertask->title}} was reopened. <br><br>
diff --git a/be/resources/views/emails/task/sub_task_created.blade.php b/be/resources/views/emails/task/sub_task_created.blade.php
new file mode 100644
index 0000000..dd2f5c3
--- /dev/null
+++ b/be/resources/views/emails/task/sub_task_created.blade.php
@@ -0,0 +1 @@
+New task created: {{ $subtask->mastertask->title }}
diff --git a/be/resources/views/emails/task/sub_task_deleted.blade.php b/be/resources/views/emails/task/sub_task_deleted.blade.php
new file mode 100644
index 0000000..d2bd471
--- /dev/null
+++ b/be/resources/views/emails/task/sub_task_deleted.blade.php
@@ -0,0 +1 @@
+Sub Task {{$subtask->mastertask->title}} was deleted. <br><br>