diff --git a/be/app/Mail/MasterTaskEdited.php b/be/app/Mail/MasterTaskEdited.php
index 5e2dece..e249342 100644
--- a/be/app/Mail/MasterTaskEdited.php
+++ b/be/app/Mail/MasterTaskEdited.php
@@ -16,6 +16,7 @@ class MasterTaskEdited extends Mailable
 
     public $mastertask;
     public $difference;
+    public $creator;
 
     /**
      * Create a new message instance.
@@ -24,8 +25,11 @@ class MasterTaskEdited extends Mailable
      */
     public function __construct(MasterTask $mastertask, $difference)
     {
+        $creator = \App\Models\User::find($mastertask->created_by);
+
         $this->mastertask = $mastertask;
         $this->difference = $difference;
+        $this->creator = ($creator) ? $creator->firstname . ' ' . $creator->lastname : '';
     }
 
     /**
@@ -36,7 +40,7 @@ class MasterTaskEdited extends Mailable
     public function envelope()
     {
         return new Envelope(
-            subject: 'Master Task Edited',
+            subject: 'Bol editovaný Task ' . $this->mastertask->project->code . ' - ' . $this->mastertask->title,
         );
     }
 
diff --git a/be/app/Mail/MasterTaskReopened.php b/be/app/Mail/MasterTaskReopened.php
index 0efe114..df27b09 100644
--- a/be/app/Mail/MasterTaskReopened.php
+++ b/be/app/Mail/MasterTaskReopened.php
@@ -15,6 +15,7 @@ class MasterTaskReopened extends Mailable
     use Queueable, SerializesModels;
 
     public $mastertask;
+    public $creator;
 
     /**
      * Create a new message instance.
@@ -23,7 +24,10 @@ class MasterTaskReopened extends Mailable
      */
     public function __construct(MasterTask $mastertask)
     {
+        $creator = \App\Models\User::find($mastertask->created_by);
+
         $this->mastertask = $mastertask;
+        $this->creator = ($creator) ? $creator->firstname . ' ' . $creator->lastname : '';
     }
 
     /**
@@ -34,7 +38,7 @@ class MasterTaskReopened extends Mailable
     public function envelope()
     {
         return new Envelope(
-            subject: 'Master Task ' . $this->mastertask->title . ' was reopened',
+            subject: 'Bol znovuotvorený Master Task ' . $this->mastertask->project->code . ' - ' . $this->mastertask->title,
         );
     }
 
diff --git a/be/app/Mail/NewTask.php b/be/app/Mail/NewTask.php
index c4c412c..ed271ca 100644
--- a/be/app/Mail/NewTask.php
+++ b/be/app/Mail/NewTask.php
@@ -15,6 +15,7 @@ class NewTask extends Mailable
     use Queueable, SerializesModels;
 
     public $subtask;
+    public $creator;
 
     /**
      * Create a new message instance.
@@ -23,6 +24,9 @@ class NewTask extends Mailable
      */
     public function __construct(Subtask $subtask)
     {
+        $creator = \App\Models\User::find($subtask->created_by);
+
+        $this->creator = ($creator) ? $creator->firstname . ' ' . $creator->lastname : '';
         $this->subtask = $subtask;
     }
 
@@ -34,7 +38,7 @@ class NewTask extends Mailable
     public function envelope()
     {
         return new Envelope(
-            subject: 'New Task',
+            subject: 'Bol vytvorený Sub Task ' . $this->subtask->mastertask->project->code . ' - ' . ($this->subtask->title) ?: $this->subtask->mastertask->title,
         );
     }
 
diff --git a/be/app/Mail/SubTaskDeleted.php b/be/app/Mail/SubTaskDeleted.php
index 46487f4..0382834 100644
--- a/be/app/Mail/SubTaskDeleted.php
+++ b/be/app/Mail/SubTaskDeleted.php
@@ -15,6 +15,7 @@ class SubTaskDeleted extends Mailable
     use Queueable, SerializesModels;
 
     public $subtask;
+    public $creator;
 
     /**
      * Create a new message instance.
@@ -23,6 +24,9 @@ class SubTaskDeleted extends Mailable
      */
     public function __construct(SubTask $subtask)
     {
+        $creator = \App\Models\User::find($subtask->created_by);
+        $this->creator = ($creator) ? $creator->firstname . ' ' . $creator->lastname : '';
+
         $this->subtask = $subtask;
     }
 
@@ -34,7 +38,7 @@ class SubTaskDeleted extends Mailable
     public function envelope()
     {
         return new Envelope(
-            subject: 'Sub Task ' . $this->subtask->mastertask->title . ' was deleted',
+            subject: 'Bol vytvorený Sub Task ' . $this->subtask->mastertask->project->code . ' - ' . ($this->subtask->title) ?: $this->subtask->mastertask->title,
         );
     }
 
diff --git a/be/app/Mail/SubTaskEdited.php b/be/app/Mail/SubTaskEdited.php
index 22f3de4..fd2a36a 100644
--- a/be/app/Mail/SubTaskEdited.php
+++ b/be/app/Mail/SubTaskEdited.php
@@ -16,6 +16,7 @@ class SubTaskEdited extends Mailable
 
     public $subtask;
     public $difference;
+    public $creator;
 
     /**
      * Create a new message instance.
@@ -24,6 +25,9 @@ class SubTaskEdited extends Mailable
      */
     public function __construct(SubTask $subtask, array $difference)
     {
+        $creator = \App\Models\User::find($subtask->created_by);
+        $this->creator = ($creator) ? $creator->firstname . ' ' . $creator->lastname : '';
+
         $this->subtask = $subtask;
         $this->difference = $difference;
     }
@@ -36,7 +40,7 @@ class SubTaskEdited extends Mailable
     public function envelope()
     {
         return new Envelope(
-            subject: 'Sub Task Edited',
+            subject: 'Bol editovaný Sub Task ' . $this->subtask->mastertask->project->code . ' - ' . ($this->subtask->title) ?: $this->subtask->mastertask->title,
         );
     }
 
diff --git a/be/app/Services/Karat/KaratService.php b/be/app/Services/Karat/KaratService.php
index e464149..4c7fccc 100644
--- a/be/app/Services/Karat/KaratService.php
+++ b/be/app/Services/Karat/KaratService.php
@@ -153,6 +153,8 @@ class KaratService
         $notSyncedTimesheets->each(function ($timesheet) {
             if ($timesheet->subtask && $timesheet->subtask->mastertask->project)
                 $this->syncTimesheet($timesheet);
+            else
+                echo "Timesheet with id: " . $timesheet->id . " has no project, subtask or mastertask" . PHP_EOL;
         });
     }
 
diff --git a/be/resources/views/emails/task/master_task_edited.blade.php b/be/resources/views/emails/task/master_task_edited.blade.php
index de1f886..218f086 100644
--- a/be/resources/views/emails/task/master_task_edited.blade.php
+++ b/be/resources/views/emails/task/master_task_edited.blade.php
@@ -1,6 +1,11 @@
-Master Task edited. <br><br>
-
-Edited fields: <br> <br>
+Task založil: {{$creator}} <br>
+Job number: {{$mastertask->project->code}} <br>
+Názov Tasku: {{$mastertask->title}} <br>
+Deadline do: {{$mastertask->deadline}} <br>
+Odkaz na Task: {{ url( env( 'APP_URL_FE' ) . '/#/app/dashboard/projects?mastertask=' . $mastertask->id) }} <br>
+Čo sa stalo v tasku:  <br>
 @foreach($difference as $key => $diff)
     {{ $key }}: {{ $diff }} <br>
 @endforeach
+
+
diff --git a/be/resources/views/emails/task/master_task_reopened.blade.php b/be/resources/views/emails/task/master_task_reopened.blade.php
index 27c794c..d5f411a 100644
--- a/be/resources/views/emails/task/master_task_reopened.blade.php
+++ b/be/resources/views/emails/task/master_task_reopened.blade.php
@@ -1 +1,6 @@
-Master Task {{$mastertask->title}} was reopened. <br><br>
+Task založil: {{$creator}} <br>
+Job number: {{$mastertask->project->code}} <br>
+Názov Tasku: {{$mastertask->title}} <br>
+Deadline do: {{$mastertask->deadline}} <br>
+Odkaz na Task: {{ url( env( 'APP_URL_FE' ) . '/#/app/dashboard/projects?mastertask=' . $mastertask->id) }} <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
index dd2f5c3..75c198c 100644
--- a/be/resources/views/emails/task/sub_task_created.blade.php
+++ b/be/resources/views/emails/task/sub_task_created.blade.php
@@ -1 +1,5 @@
-New task created: {{ $subtask->mastertask->title }}
+Task založil: {{$creator}} <br>
+Job number: {{$subtask->mastertask->project->code}} <br>
+Názov Tasku: {{($subtask->title) ?: $subtask->mastertask->title}} <br>
+Deadline do: {{$subtask->deadline}} <br>
+Odkaz na Task: {{ url( env( 'APP_URL_FE' ) . '/#/app/dashboard/tasks?subtask=' . $subtask->id) }} <br>
diff --git a/be/resources/views/emails/task/sub_task_deleted.blade.php b/be/resources/views/emails/task/sub_task_deleted.blade.php
index d2bd471..75c198c 100644
--- a/be/resources/views/emails/task/sub_task_deleted.blade.php
+++ b/be/resources/views/emails/task/sub_task_deleted.blade.php
@@ -1 +1,5 @@
-Sub Task {{$subtask->mastertask->title}} was deleted. <br><br>
+Task založil: {{$creator}} <br>
+Job number: {{$subtask->mastertask->project->code}} <br>
+Názov Tasku: {{($subtask->title) ?: $subtask->mastertask->title}} <br>
+Deadline do: {{$subtask->deadline}} <br>
+Odkaz na Task: {{ url( env( 'APP_URL_FE' ) . '/#/app/dashboard/tasks?subtask=' . $subtask->id) }} <br>
diff --git a/be/resources/views/emails/task/sub_task_edited.blade.php b/be/resources/views/emails/task/sub_task_edited.blade.php
index f6d8f5e..0198f50 100644
--- a/be/resources/views/emails/task/sub_task_edited.blade.php
+++ b/be/resources/views/emails/task/sub_task_edited.blade.php
@@ -1,6 +1,10 @@
-Sub Task edited. <br><br>
+Task založil: {{$creator}} <br>
+Job number: {{$subtask->mastertask->project->code}} <br>
+Názov Tasku: {{($subtask->title) ?: $subtask->mastertask->title}} <br>
+Deadline do: {{$subtask->deadline}} <br>
+Odkaz na Task: {{ url( env( 'APP_URL_FE' ) . '/#/app/dashboard/tasks?subtask=' . $subtask->id) }} <br>
 
-Edited fields: <br> <br>
+Čo sa stalo v tasku:  <br>
 @foreach($difference as $key => $diff)
     {{ $key }}: {{ $diff }} <br>
 @endforeach