diff --git a/app/Http/Controllers/ClientPortal/NinjaPlanController.php b/app/Http/Controllers/ClientPortal/NinjaPlanController.php
index 3ccdcc833bc8..2e109d39bf46 100644
--- a/app/Http/Controllers/ClientPortal/NinjaPlanController.php
+++ b/app/Http/Controllers/ClientPortal/NinjaPlanController.php
@@ -92,7 +92,10 @@ class NinjaPlanController extends Controller
                                            ->first();
 
                     //account status means user cannot perform upgrades until they pay their account.
-                    $data['late_invoice'] = $late_invoice;
+                    // $data['late_invoice'] = $late_invoice;
+
+                   //14-01-2022 remove late invoices from blocking upgrades
+                       $data['late_invoice'] = false;
 
                 }
 
diff --git a/app/Http/Controllers/ClientPortal/SwitchCompanyController.php b/app/Http/Controllers/ClientPortal/SwitchCompanyController.php
index c8e7162c4e70..bd9eaa81ef1b 100644
--- a/app/Http/Controllers/ClientPortal/SwitchCompanyController.php
+++ b/app/Http/Controllers/ClientPortal/SwitchCompanyController.php
@@ -29,6 +29,8 @@ class SwitchCompanyController extends Controller
 
         auth()->guard('contact')->loginUsingId($client_contact->id, true);
 
+        request()->session()->regenerate();
+    
         return redirect('/client/dashboard');
     }
 }
diff --git a/app/Http/Controllers/PostMarkController.php b/app/Http/Controllers/PostMarkController.php
index 6646f1724327..ac13bb17e6d1 100644
--- a/app/Http/Controllers/PostMarkController.php
+++ b/app/Http/Controllers/PostMarkController.php
@@ -13,6 +13,7 @@ namespace App\Http\Controllers;
 
 use App\DataMapper\Analytics\Mail\EmailBounce;
 use App\DataMapper\Analytics\Mail\EmailSpam;
+use App\Jobs\PostMark\ProcessPostmarkWebhook;
 use App\Jobs\Util\SystemLogger;
 use App\Libraries\MultiDB;
 use App\Models\CreditInvitation;
@@ -77,27 +78,7 @@ class PostMarkController extends BaseController
         if($request->header('X-API-SECURITY') && $request->header('X-API-SECURITY') == config('postmark.secret'))
         {
 
-            MultiDB::findAndSetDbByCompanyKey($request->input('Tag'));
-            
-            $this->invitation = $this->discoverInvitation($request->input('MessageID'));
-
-            if($this->invitation)
-                $this->invitation->email_error = $request->input('Details');
-            else
-                return response()->json(['message' => 'Message not found']);
-
-            switch ($request->input('RecordType')) 
-            {
-                case 'Delivery':
-                    return $this->processDelivery($request);
-                case 'Bounce':
-                    return $this->processBounce($request);
-                case 'SpamComplaint':
-                    return $this->processSpamComplaint($request);
-                default:
-                    # code...
-                    break;
-            }
+            ProcessPostmarkWebhook::dispatch($request->all());
 
             return response()->json(['message' => 'Success'], 200);
 
@@ -107,139 +88,4 @@ class PostMarkController extends BaseController
 
     }
 
-// {
-//   "RecordType": "Delivery",
-//   "ServerID": 23,
-//   "MessageStream": "outbound",
-//   "MessageID": "00000000-0000-0000-0000-000000000000",
-//   "Recipient": "john@example.com",
-//   "Tag": "welcome-email",
-//   "DeliveredAt": "2021-02-21T16:34:52Z",
-//   "Details": "Test delivery webhook details",
-//   "Metadata": {
-//     "example": "value",
-//     "example_2": "value"
-//   }
-// }
-    private function processDelivery($request)
-    {
-        $this->invitation->email_status = 'delivered';
-        $this->invitation->save();
-
-        SystemLogger::dispatch($request->all(), 
-            SystemLog::CATEGORY_MAIL, 
-            SystemLog::EVENT_MAIL_DELIVERY, 
-            SystemLog::TYPE_WEBHOOK_RESPONSE, 
-            $this->invitation->contact->client,
-            $this->invitation->company
-        );
-    }
-
-// {
-//   "Metadata": {
-//     "example": "value",
-//     "example_2": "value"
-//   },
-//   "RecordType": "Bounce",
-//   "ID": 42,
-//   "Type": "HardBounce",
-//   "TypeCode": 1,
-//   "Name": "Hard bounce",
-//   "Tag": "Test",
-//   "MessageID": "00000000-0000-0000-0000-000000000000",
-//   "ServerID": 1234,
-//   "MessageStream": "outbound",
-//   "Description": "The server was unable to deliver your message (ex: unknown user, mailbox not found).",
-//   "Details": "Test bounce details",
-//   "Email": "john@example.com",
-//   "From": "sender@example.com",
-//   "BouncedAt": "2021-02-21T16:34:52Z",
-//   "DumpAvailable": true,
-//   "Inactive": true,
-//   "CanActivate": true,
-//   "Subject": "Test subject",
-//   "Content": "Test content"
-// }
-
-    private function processBounce($request)
-    {
-        $this->invitation->email_status = 'bounced';
-        $this->invitation->save();
-
-        $bounce = new EmailBounce(
-            $request->input('Tag'),
-            $request->input('From'),
-            $request->input('MessageID')
-        );
-
-        LightLogs::create($bounce)->queue();
-
-        SystemLogger::dispatch($request->all(), SystemLog::CATEGORY_MAIL, SystemLog::EVENT_MAIL_BOUNCED, SystemLog::TYPE_WEBHOOK_RESPONSE, $this->invitation->contact->client, $this->invitation->company);
-
-        if(config('ninja.notification.slack'))
-            $this->invitation->company->notification(new EmailBounceNotification($this->invitation->company->account))->ninja();
-
-    }
-
-// {
-//   "Metadata": {
-//     "example": "value",
-//     "example_2": "value"
-//   },
-//   "RecordType": "SpamComplaint",
-//   "ID": 42,
-//   "Type": "SpamComplaint",
-//   "TypeCode": 100001,
-//   "Name": "Spam complaint",
-//   "Tag": "Test",
-//   "MessageID": "00000000-0000-0000-0000-000000000000",
-//   "ServerID": 1234,
-//   "MessageStream": "outbound",
-//   "Description": "The subscriber explicitly marked this message as spam.",
-//   "Details": "Test spam complaint details",
-//   "Email": "john@example.com",
-//   "From": "sender@example.com",
-//   "BouncedAt": "2021-02-21T16:34:52Z",
-//   "DumpAvailable": true,
-//   "Inactive": true,
-//   "CanActivate": false,
-//   "Subject": "Test subject",
-//   "Content": "Test content"
-// }
-    private function processSpamComplaint($request)
-    {
-
-        $this->invitation->email_status = 'spam';
-        $this->invitation->save();
-
-        $spam = new EmailSpam(
-            $request->input('Tag'),
-            $request->input('From'),
-            $request->input('MessageID')
-        );
-
-        LightLogs::create($spam)->queue();
-
-        SystemLogger::dispatch($request->all(), SystemLog::CATEGORY_MAIL, SystemLog::EVENT_MAIL_SPAM_COMPLAINT, SystemLog::TYPE_WEBHOOK_RESPONSE, $this->invitation->contact->client, $this->invitation->company);
-
-        if(config('ninja.notification.slack'))
-            $this->invitation->company->notification(new EmailSpamNotification($this->invitation->company->account))->ninja();
-
-    }
-
-    private function discoverInvitation($message_id)
-    {
-        $invitation = false;
-
-        if($invitation = InvoiceInvitation::where('message_id', $message_id)->first())
-            return $invitation;
-        elseif($invitation = QuoteInvitation::where('message_id', $message_id)->first())
-            return $invitation;
-        elseif($invitation = RecurringInvoiceInvitation::where('message_id', $message_id)->first())
-            return $invitation;
-        elseif($invitation = CreditInvitation::where('message_id', $message_id)->first())
-            return $invitation;
-        else
-            return $invitation;
-    }
 }
diff --git a/app/Http/Kernel.php b/app/Http/Kernel.php
index 6b82749df99c..096026772db8 100644
--- a/app/Http/Kernel.php
+++ b/app/Http/Kernel.php
@@ -28,6 +28,7 @@ use App\Http\Middleware\PasswordProtection;
 use App\Http\Middleware\PhantomSecret;
 use App\Http\Middleware\QueryLogging;
 use App\Http\Middleware\RedirectIfAuthenticated;
+use App\Http\Middleware\SessionDomains;
 use App\Http\Middleware\SetDb;
 use App\Http\Middleware\SetDbByCompanyKey;
 use App\Http\Middleware\SetDocumentDb;
@@ -83,6 +84,7 @@ class Kernel extends HttpKernel
      */
     protected $middlewareGroups = [
         'web' => [
+            SessionDomains::class,
             EncryptCookies::class,
             AddQueuedCookiesToResponse::class,
             StartSession::class,
@@ -103,6 +105,7 @@ class Kernel extends HttpKernel
             'query_logging',
         ],
         'client' => [
+            SessionDomains::class,
             EncryptCookies::class,
             AddQueuedCookiesToResponse::class,
             StartSession::class,
@@ -161,10 +164,12 @@ class Kernel extends HttpKernel
         'check_client_existence' => CheckClientExistence::class,
         'user_verified' => UserVerified::class,
         'document_db' => SetDocumentDb::class,
+        'session_domain' => SessionDomains::class,
     ];
 
 
     protected $middlewarePriority = [
+        SessionDomains::class,
         Cors::class,
         SetDomainNameDb::class,
         SetDb::class,
diff --git a/app/Http/Livewire/BillingPortalPurchase.php b/app/Http/Livewire/BillingPortalPurchase.php
index d93a639d43eb..e6a5de79c66e 100644
--- a/app/Http/Livewire/BillingPortalPurchase.php
+++ b/app/Http/Livewire/BillingPortalPurchase.php
@@ -409,7 +409,7 @@ class BillingPortalPurchase extends Component
             'quantity' => $this->quantity,
             'contact_id' => $this->contact->id,
             'client_id' => $this->contact->client->id,
-            'coupon' => '',
+            'coupon' => $this->coupon,
         ]);
     }
 
diff --git a/app/Http/Middleware/CheckClientExistence.php b/app/Http/Middleware/CheckClientExistence.php
index f8238db1e6e2..554e74d8e6a1 100644
--- a/app/Http/Middleware/CheckClientExistence.php
+++ b/app/Http/Middleware/CheckClientExistence.php
@@ -42,7 +42,7 @@ class CheckClientExistence
                 return $query->where('is_deleted', false);
             })
             ->whereHas('company', function ($query){
-                return $query->where('account_id', auth('contact')->user()->client->company->account->id);
+                return $query->where('id', auth('contact')->user()->client->company_id);
             })
             ->get();
 
diff --git a/app/Http/Middleware/SessionDomains.php b/app/Http/Middleware/SessionDomains.php
new file mode 100644
index 000000000000..d24ab7955796
--- /dev/null
+++ b/app/Http/Middleware/SessionDomains.php
@@ -0,0 +1,50 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\Http\Middleware;
+
+use App\Utils\Ninja;
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cookie;
+
+class SessionDomains
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  Request  $request
+     * @param  Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+
+        if(Ninja::isSelfHost())
+            return $next($request);
+
+        $domain_name = $request->getHost();
+
+        if (strpos($domain_name, 'invoicing.co') !== false) 
+        {
+            config(['session.domain' => '.invoicing.co']);
+        }            
+        else{
+
+            Cookie::queue(Cookie::forget('invoice_ninja_session', '/'));
+
+            config(['session.domain' => $domain_name]);
+            
+        }
+        
+        return $next($request);        
+    }
+}
\ No newline at end of file
diff --git a/app/Http/Middleware/VerifyCsrfToken.php b/app/Http/Middleware/VerifyCsrfToken.php
index d0909c4b0bd3..90ed285e184e 100644
--- a/app/Http/Middleware/VerifyCsrfToken.php
+++ b/app/Http/Middleware/VerifyCsrfToken.php
@@ -12,6 +12,7 @@
 namespace App\Http\Middleware;
 
 use Illuminate\Foundation\Http\Middleware\VerifyCsrfToken as Middleware;
+use Illuminate\Session\TokenMismatchException;
 
 class VerifyCsrfToken extends Middleware
 {
@@ -30,4 +31,17 @@ class VerifyCsrfToken extends Middleware
     protected $except = [
         // 'livewire/message/*'
     ];
+
+
+    // public function handle($request, \Closure $next) {
+
+    //     try {
+    //         return parent::handle($request, $next);
+    //     } catch (TokenMismatchException $ex) {
+
+    //         throw new TokenMismatchException('CSRF token mismatch.');
+
+    //     }
+    // }
+
 }
diff --git a/app/Http/Requests/Client/StoreClientRequest.php b/app/Http/Requests/Client/StoreClientRequest.php
index b2b8b6774a01..b1525656173a 100644
--- a/app/Http/Requests/Client/StoreClientRequest.php
+++ b/app/Http/Requests/Client/StoreClientRequest.php
@@ -89,8 +89,6 @@ class StoreClientRequest extends Request
     protected function prepareForValidation()
     {
         $input = $this->all();
-
-        //@todo implement feature permissions for > 50 clients
         
         $settings = ClientSettings::defaults();
 
@@ -133,6 +131,10 @@ class StoreClientRequest extends Request
             $input['shipping_country_id'] = $this->getCountryCode($input['shipping_country_code']);
         }
 
+        /* If there is no number, just unset it here. */
+        if(array_key_exists('number', $input) && ( is_null($input['number']) || empty($input['number'])))
+            unset($input['number']);
+
         $this->replace($input);
     }
 
diff --git a/app/Http/Requests/Payment/UpdatePaymentRequest.php b/app/Http/Requests/Payment/UpdatePaymentRequest.php
index e62826a2489e..2ac4983bc6a6 100644
--- a/app/Http/Requests/Payment/UpdatePaymentRequest.php
+++ b/app/Http/Requests/Payment/UpdatePaymentRequest.php
@@ -71,10 +71,6 @@ class UpdatePaymentRequest extends Request
             unset($input['amount']);
         }
 
-        // if (isset($input['number'])) {
-        //     unset($input['number']);
-        // }
-
         if (isset($input['invoices']) && is_array($input['invoices']) !== false) {
             foreach ($input['invoices'] as $key => $value) {
                 $input['invoices'][$key]['invoice_id'] = $this->decodePrimaryKey($value['invoice_id']);
diff --git a/app/Http/Requests/RecurringInvoice/StoreRecurringInvoiceRequest.php b/app/Http/Requests/RecurringInvoice/StoreRecurringInvoiceRequest.php
index 7c527fd7f858..f292c7e4f230 100644
--- a/app/Http/Requests/RecurringInvoice/StoreRecurringInvoiceRequest.php
+++ b/app/Http/Requests/RecurringInvoice/StoreRecurringInvoiceRequest.php
@@ -111,6 +111,10 @@ class StoreRecurringInvoiceRequest extends Request
             }
         }
     
+        /* If there is no number, just unset it here. */
+        if(array_key_exists('number', $input) && ( is_null($input['number']) || empty($input['number'])))
+            unset($input['number']);
+    
         $this->replace($input);
     }
 
diff --git a/app/Http/ValidationRules/PaymentAppliedValidAmount.php b/app/Http/ValidationRules/PaymentAppliedValidAmount.php
index 292712a1d738..357cde9f0ea0 100644
--- a/app/Http/ValidationRules/PaymentAppliedValidAmount.php
+++ b/app/Http/ValidationRules/PaymentAppliedValidAmount.php
@@ -42,7 +42,7 @@ class PaymentAppliedValidAmount implements Rule
 
     private function calculateAmounts() :bool
     {
-        $payment = Payment::whereId($this->decodePrimaryKey(request()->segment(4)))->company()->first();
+        $payment = Payment::withTrashed()->whereId($this->decodePrimaryKey(request()->segment(4)))->company()->first();
 
         if (! $payment) {
             return false;
@@ -53,6 +53,15 @@ class PaymentAppliedValidAmount implements Rule
 
         $payment_amounts = $payment->amount - $payment->refunded - $payment->applied;
 
+        if(request()->has('credits') 
+            && is_array(request()->input('credits')) 
+            && count(request()->input('credits')) == 0 
+            && request()->has('invoices') 
+            && is_array(request()->input('invoices')) 
+            && count(request()->input('invoices')) == 0){
+           return true;
+        }
+
         if (request()->input('credits') && is_array(request()->input('credits'))) {
             foreach (request()->input('credits') as $credit) {
                 $payment_amounts += $credit['amount'];
diff --git a/app/Jobs/Mail/PaymentFailedMailer.php b/app/Jobs/Mail/PaymentFailedMailer.php
index 9bdeafd63816..aebc9cbb330c 100644
--- a/app/Jobs/Mail/PaymentFailedMailer.php
+++ b/app/Jobs/Mail/PaymentFailedMailer.php
@@ -31,6 +31,7 @@ use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Queue\SerializesModels;
 use Illuminate\Support\Facades\Mail;
+use Illuminate\Support\Facades\App;
 
 /*Multi Mailer implemented*/
 
@@ -74,8 +75,10 @@ class PaymentFailedMailer implements ShouldQueue
 
         //Set DB
         MultiDB::setDb($this->company->db);
-
+        App::setLocale($this->client->locale());
+        
         $settings = $this->client->getMergedSettings();
+
         $amount = 0;
         $invoice = false;
 
diff --git a/app/Jobs/PostMark/ProcessPostmarkWebhook.php b/app/Jobs/PostMark/ProcessPostmarkWebhook.php
new file mode 100644
index 000000000000..e3444172777c
--- /dev/null
+++ b/app/Jobs/PostMark/ProcessPostmarkWebhook.php
@@ -0,0 +1,233 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\Jobs\PostMark;
+
+use App\DataMapper\Analytics\Mail\EmailBounce;
+use App\DataMapper\Analytics\Mail\EmailSpam;
+use App\Events\Payment\PaymentWasEmailed;
+use App\Events\Payment\PaymentWasEmailedAndFailed;
+use App\Jobs\Mail\NinjaMailerJob;
+use App\Jobs\Mail\NinjaMailerObject;
+use App\Jobs\Util\SystemLogger;
+use App\Libraries\MultiDB;
+use App\Mail\Engine\PaymentEmailEngine;
+use App\Mail\TemplateEmail;
+use App\Models\ClientContact;
+use App\Models\Company;
+use App\Models\CreditInvitation;
+use App\Models\InvoiceInvitation;
+use App\Models\Payment;
+use App\Models\QuoteInvitation;
+use App\Models\RecurringInvoiceInvitation;
+use App\Models\SystemLog;
+use App\Notifications\Ninja\EmailBounceNotification;
+use App\Notifications\Ninja\EmailSpamNotification;
+use App\Utils\Ninja;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Mail;
+use Turbo124\Beacon\Facades\LightLogs;
+
+class ProcessPostmarkWebhook implements ShouldQueue
+{
+    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
+
+    public $tries = 1;
+
+    private array $request;
+
+    public $invitation;
+    /**
+     * Create a new job instance.
+     *
+     * @param Payment $payment
+     * @param $email_builder
+     * @param $contact
+     * @param $company
+     */
+    public function __construct(array $request)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * Execute the job.
+     *
+     *
+     * @return void
+     */
+    public function handle()
+    {
+
+        MultiDB::findAndSetDbByCompanyKey($this->request['Tag']);
+        
+        $this->invitation = $this->discoverInvitation($this->request['MessageID']);
+
+        if(!$this->invitation)
+            return;
+
+        $this->invitation->email_error = $this->request['Details'];
+        
+        switch ($this->request['RecordType']) 
+        {
+            case 'Delivery':
+                return $this->processDelivery();
+            case 'Bounce':
+                return $this->processBounce();
+            case 'SpamComplaint':
+                return $this->processSpamComplaint();
+            default:
+                # code...
+                break;
+        }
+
+    }
+
+// {
+//   "RecordType": "Delivery",
+//   "ServerID": 23,
+//   "MessageStream": "outbound",
+//   "MessageID": "00000000-0000-0000-0000-000000000000",
+//   "Recipient": "john@example.com",
+//   "Tag": "welcome-email",
+//   "DeliveredAt": "2021-02-21T16:34:52Z",
+//   "Details": "Test delivery webhook details",
+//   "Metadata": {
+//     "example": "value",
+//     "example_2": "value"
+//   }
+// }
+    private function processDelivery()
+    {
+        $this->invitation->email_status = 'delivered';
+        $this->invitation->save();
+
+        SystemLogger::dispatch($this->request, 
+            SystemLog::CATEGORY_MAIL, 
+            SystemLog::EVENT_MAIL_DELIVERY, 
+            SystemLog::TYPE_WEBHOOK_RESPONSE, 
+            $this->invitation->contact->client,
+            $this->invitation->company
+        );
+    }
+
+// {
+//   "Metadata": {
+//     "example": "value",
+//     "example_2": "value"
+//   },
+//   "RecordType": "Bounce",
+//   "ID": 42,
+//   "Type": "HardBounce",
+//   "TypeCode": 1,
+//   "Name": "Hard bounce",
+//   "Tag": "Test",
+//   "MessageID": "00000000-0000-0000-0000-000000000000",
+//   "ServerID": 1234,
+//   "MessageStream": "outbound",
+//   "Description": "The server was unable to deliver your message (ex: unknown user, mailbox not found).",
+//   "Details": "Test bounce details",
+//   "Email": "john@example.com",
+//   "From": "sender@example.com",
+//   "BouncedAt": "2021-02-21T16:34:52Z",
+//   "DumpAvailable": true,
+//   "Inactive": true,
+//   "CanActivate": true,
+//   "Subject": "Test subject",
+//   "Content": "Test content"
+// }
+
+    private function processBounce()
+    {
+        $this->invitation->email_status = 'bounced';
+        $this->invitation->save();
+
+        $bounce = new EmailBounce(
+            $this->request['Tag'],
+            $this->request['From'],
+            $this->request['MessageID']
+        );
+
+        LightLogs::create($bounce)->queue();
+
+        SystemLogger::dispatch($this->request, SystemLog::CATEGORY_MAIL, SystemLog::EVENT_MAIL_BOUNCED, SystemLog::TYPE_WEBHOOK_RESPONSE, $this->invitation->contact->client, $this->invitation->company);
+
+        if(config('ninja.notification.slack'))
+            $this->invitation->company->notification(new EmailBounceNotification($this->invitation->company->account))->ninja();
+
+    }
+
+// {
+//   "Metadata": {
+//     "example": "value",
+//     "example_2": "value"
+//   },
+//   "RecordType": "SpamComplaint",
+//   "ID": 42,
+//   "Type": "SpamComplaint",
+//   "TypeCode": 100001,
+//   "Name": "Spam complaint",
+//   "Tag": "Test",
+//   "MessageID": "00000000-0000-0000-0000-000000000000",
+//   "ServerID": 1234,
+//   "MessageStream": "outbound",
+//   "Description": "The subscriber explicitly marked this message as spam.",
+//   "Details": "Test spam complaint details",
+//   "Email": "john@example.com",
+//   "From": "sender@example.com",
+//   "BouncedAt": "2021-02-21T16:34:52Z",
+//   "DumpAvailable": true,
+//   "Inactive": true,
+//   "CanActivate": false,
+//   "Subject": "Test subject",
+//   "Content": "Test content"
+// }
+    private function processSpamComplaint()
+    {
+
+        $this->invitation->email_status = 'spam';
+        $this->invitation->save();
+
+        $spam = new EmailSpam(
+            $this->request['Tag'],
+            $this->request['From'],
+            $this->request['MessageID']
+        );
+
+        LightLogs::create($spam)->queue();
+
+        SystemLogger::dispatch($this->request, SystemLog::CATEGORY_MAIL, SystemLog::EVENT_MAIL_SPAM_COMPLAINT, SystemLog::TYPE_WEBHOOK_RESPONSE, $this->invitation->contact->client, $this->invitation->company);
+
+        if(config('ninja.notification.slack'))
+            $this->invitation->company->notification(new EmailSpamNotification($this->invitation->company->account))->ninja();
+
+    }
+
+    private function discoverInvitation($message_id)
+    {
+        $invitation = false;
+
+        if($invitation = InvoiceInvitation::where('message_id', $message_id)->first())
+            return $invitation;
+        elseif($invitation = QuoteInvitation::where('message_id', $message_id)->first())
+            return $invitation;
+        elseif($invitation = RecurringInvoiceInvitation::where('message_id', $message_id)->first())
+            return $invitation;
+        elseif($invitation = CreditInvitation::where('message_id', $message_id)->first())
+            return $invitation;
+        else
+            return $invitation;
+    }
+}
\ No newline at end of file
diff --git a/app/Jobs/Util/ReminderJob.php b/app/Jobs/Util/ReminderJob.php
index 05c2e8f6bfbd..88a0aabf679c 100644
--- a/app/Jobs/Util/ReminderJob.php
+++ b/app/Jobs/Util/ReminderJob.php
@@ -83,7 +83,8 @@ class ReminderJob implements ShouldQueue
                 $invoice->service()->touchPdf();
                 
                 //check if this reminder needs to be emailed
-                if(in_array($reminder_template, ['reminder1','reminder2','reminder3','reminder_endless']) && $invoice->client->getSetting("enable_".$reminder_template))
+                //15-01-2022 - insert addition if block if send_reminders is definitely set
+                if(in_array($reminder_template, ['reminder1','reminder2','reminder3','reminder_endless']) && $invoice->client->getSetting("enable_".$reminder_template) && $invoice->client->getSetting("send_reminders"))
                 {
                     $invoice->invitations->each(function ($invitation) use ($invoice, $reminder_template) {
                         EmailEntity::dispatch($invitation, $invitation->company, $reminder_template);
diff --git a/app/Mail/Admin/ClientPaymentFailureObject.php b/app/Mail/Admin/ClientPaymentFailureObject.php
index ad2629c3f27a..265845280538 100644
--- a/app/Mail/Admin/ClientPaymentFailureObject.php
+++ b/app/Mail/Admin/ClientPaymentFailureObject.php
@@ -124,7 +124,8 @@ class ClientPaymentFailureObject
             'settings' => $this->client->getMergedSettings(),
             'whitelabel' => $this->company->account->isPaid() ? true : false,
             'url' => $this->invoices->first()->invitations->first()->getPaymentLink(),
-            'button' => 'texts.pay_now',
+            // 'button' => 'texts.pay_now',
+            'button' => ctrans('texts.pay_now'),
             'additional_info' => false,
             'company' => $this->company,
         ];
diff --git a/app/Mail/BouncedEmail.php b/app/Mail/BouncedEmail.php
index 030303a0b912..9227c39eb6d6 100644
--- a/app/Mail/BouncedEmail.php
+++ b/app/Mail/BouncedEmail.php
@@ -16,6 +16,7 @@ use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class BouncedEmail extends Mailable 
 {
@@ -34,9 +35,11 @@ class BouncedEmail extends Mailable
      */
     public function build()
     {
+        App::setLocale($this->invitation->company->getLocale());
+
         $entity_type = class_basename(lcfirst($this->invitation->getEntityType()));
 
-        $subject = ctrans("texts.notification_{$entity_type}_bounced_subject", ['invoice' => $invoice->number]);
+        $subject = ctrans("texts.notification_{$entity_type}_bounced_subject", ['invoice' => $this->invitation->invoice->number]);
         
         return
             $this->from(config('mail.from.address'), config('mail.from.name'))
diff --git a/app/Mail/ClientContact/ClientContactResetPasswordObject.php b/app/Mail/ClientContact/ClientContactResetPasswordObject.php
index 77fdeba30029..a911045ff922 100644
--- a/app/Mail/ClientContact/ClientContactResetPasswordObject.php
+++ b/app/Mail/ClientContact/ClientContactResetPasswordObject.php
@@ -35,19 +35,19 @@ class ClientContactResetPasswordObject
     public function build()
     {
 
+        $settings = $this->client_contact->client->getMergedSettings();
         App::forgetInstance('translator');
         $t = app('translator');
         App::setLocale($this->client_contact->preferredLocale());
-        $t->replace(Ninja::transformTranslations($this->client_contact->client->getMergedSettings()));
-
+        $t->replace(Ninja::transformTranslations($settings));
 
         $data = [
             'title' => ctrans('texts.your_password_reset_link'),
             'content' => ctrans('texts.reset_password'),
             'url' => route('client.password.reset', ['token' => $this->token, 'email' => $this->client_contact->email]),
             'button' => ctrans('texts.reset'),
-            'signature' => $this->company->settings->email_signature,
-            'settings' => $this->company->settings,
+            'signature' => $settings->email_signature,
+            'settings' => $settings,
             'company' => $this->company,
             'logo' => $this->company->present()->logo(),
         ];
diff --git a/app/Mail/Company/CompanyDeleted.php b/app/Mail/Company/CompanyDeleted.php
index da021afeaf29..5f32f7d6071f 100644
--- a/app/Mail/Company/CompanyDeleted.php
+++ b/app/Mail/Company/CompanyDeleted.php
@@ -15,6 +15,7 @@ namespace App\Mail\Company;
 use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class CompanyDeleted extends Mailable
 {
@@ -47,6 +48,8 @@ class CompanyDeleted extends Mailable
      */
     public function build()
     {
+        App::setLocale($this->company->getLocale());
+
         return $this->from(config('mail.from.address'), config('mail.from.name'))
             ->subject(ctrans('texts.company_deleted'))
             ->view('email.admin.company_deleted')
diff --git a/app/Mail/ContactPasswordlessLogin.php b/app/Mail/ContactPasswordlessLogin.php
index d301df400fc3..4370041767b6 100644
--- a/app/Mail/ContactPasswordlessLogin.php
+++ b/app/Mail/ContactPasswordlessLogin.php
@@ -18,6 +18,7 @@ use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class ContactPasswordlessLogin extends Mailable
 {
@@ -52,6 +53,9 @@ class ContactPasswordlessLogin extends Mailable
      */
     public function build()
     {
+        
+        App::setLocale($this->company->getLocale());
+
         return $this
             ->subject(ctrans('texts.account_passwordless_login'))
             ->view('email.billing.passwordless-login', [
diff --git a/app/Mail/DownloadInvoices.php b/app/Mail/DownloadInvoices.php
index 5dc1b5808cd0..ba82d325a710 100644
--- a/app/Mail/DownloadInvoices.php
+++ b/app/Mail/DownloadInvoices.php
@@ -6,6 +6,7 @@ use App\Models\Company;
 use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class DownloadInvoices extends Mailable
 {
@@ -27,6 +28,9 @@ class DownloadInvoices extends Mailable
      */
     public function build()
     {
+
+        App::setLocale($this->company->getLocale());
+
         return $this->from(config('mail.from.address'), config('mail.from.name'))
             ->subject(ctrans('texts.download_files'))
             ->view('email.admin.download_invoices', [
diff --git a/app/Mail/Engine/CreditEmailEngine.php b/app/Mail/Engine/CreditEmailEngine.php
index ad9645b6c8f7..d319bac91577 100644
--- a/app/Mail/Engine/CreditEmailEngine.php
+++ b/app/Mail/Engine/CreditEmailEngine.php
@@ -45,6 +45,7 @@ class CreditEmailEngine extends BaseEmailEngine
     public function build()
     {
         App::forgetInstance('translator');
+        
         $t = app('translator');
         $t->replace(Ninja::transformTranslations($this->client->getMergedSettings()));
         
diff --git a/app/Mail/Gateways/ACHVerificationNotification.php b/app/Mail/Gateways/ACHVerificationNotification.php
index 322e6b96e2c8..cd4840f54af6 100644
--- a/app/Mail/Gateways/ACHVerificationNotification.php
+++ b/app/Mail/Gateways/ACHVerificationNotification.php
@@ -15,6 +15,7 @@ namespace App\Mail\Gateways;
 use App\Models\Company;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class ACHVerificationNotification extends Mailable
 {
@@ -49,6 +50,8 @@ class ACHVerificationNotification extends Mailable
      */
     public function build()
     {
+        App::setLocale($this->company->getLocale());
+
         return $this
             ->subject(ctrans('texts.ach_verification_notification_label'))
             ->view('email.gateways.ach-verification-notification', [
diff --git a/app/Mail/Import/CompanyImportFailure.php b/app/Mail/Import/CompanyImportFailure.php
index 053c78ca1bbe..761c89fdcc98 100644
--- a/app/Mail/Import/CompanyImportFailure.php
+++ b/app/Mail/Import/CompanyImportFailure.php
@@ -14,6 +14,7 @@ namespace App\Mail\Import;
 use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class CompanyImportFailure extends Mailable
 {
@@ -51,6 +52,8 @@ class CompanyImportFailure extends Mailable
      */
     public function build()
     {
+        App::setLocale($this->company->getLocale());
+
         $this->settings = $this->company->settings;
         $this->logo = $this->company->present()->logo();
         $this->title = ctrans('texts.company_import_failure_subject', ['company' => $this->company->present()->name()]);
diff --git a/app/Mail/Import/ImportCompleted.php b/app/Mail/Import/ImportCompleted.php
index 2a1e04da60f9..58a4420f7f01 100644
--- a/app/Mail/Import/ImportCompleted.php
+++ b/app/Mail/Import/ImportCompleted.php
@@ -49,6 +49,8 @@ class ImportCompleted extends Mailable
     {
 
         App::forgetInstance('translator');
+        App::setLocale($this->company->getLocale());
+
         $t = app('translator');
         $t->replace(Ninja::transformTranslations($this->company->settings));
 
diff --git a/app/Mail/Migration/MaxCompanies.php b/app/Mail/Migration/MaxCompanies.php
index 905ad6692aa1..c879be10e0a2 100644
--- a/app/Mail/Migration/MaxCompanies.php
+++ b/app/Mail/Migration/MaxCompanies.php
@@ -14,6 +14,7 @@ namespace App\Mail\Migration;
 use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class MaxCompanies extends Mailable
 {
@@ -48,6 +49,8 @@ class MaxCompanies extends Mailable
      */
     public function build()
     {
+        App::setLocale($this->company->getLocale());
+
         $this->settings = $this->company->settings;
         $this->logo = $this->company->present()->logo();
         $this->title = ctrans('texts.max_companies');
diff --git a/app/Mail/Migration/StripeConnectMigration.php b/app/Mail/Migration/StripeConnectMigration.php
index 93fda725afac..7290cb41b8fb 100644
--- a/app/Mail/Migration/StripeConnectMigration.php
+++ b/app/Mail/Migration/StripeConnectMigration.php
@@ -14,6 +14,7 @@ namespace App\Mail\Migration;
 use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class StripeConnectMigration extends Mailable
 {
@@ -44,6 +45,8 @@ class StripeConnectMigration extends Mailable
      */
     public function build()
     {
+        App::setLocale($this->company->getLocale());
+
         $this->settings = $this->company->settings;
         $this->logo = $this->company->present()->logo();
         $this->whitelabel = $this->company->account->isPaid();
diff --git a/app/Mail/Ninja/EmailQuotaExceeded.php b/app/Mail/Ninja/EmailQuotaExceeded.php
index dc4507f73a16..8d6ba0bf938b 100644
--- a/app/Mail/Ninja/EmailQuotaExceeded.php
+++ b/app/Mail/Ninja/EmailQuotaExceeded.php
@@ -14,6 +14,7 @@ namespace App\Mail\Ninja;
 use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\App;
 
 class EmailQuotaExceeded extends Mailable
 {
@@ -47,6 +48,8 @@ class EmailQuotaExceeded extends Mailable
      */
     public function build()
     {
+        App::setLocale($this->company->getLocale());
+
         $this->settings = $this->company->settings;
         $this->logo = $this->company->present()->logo();
         $this->title = ctrans('texts.email_quota_exceeded_subject');
diff --git a/app/Mail/RecurringInvoice/ClientContactRequestCancellationObject.php b/app/Mail/RecurringInvoice/ClientContactRequestCancellationObject.php
index a21b1dd55ece..6032a552fa24 100644
--- a/app/Mail/RecurringInvoice/ClientContactRequestCancellationObject.php
+++ b/app/Mail/RecurringInvoice/ClientContactRequestCancellationObject.php
@@ -37,6 +37,8 @@ class ClientContactRequestCancellationObject
     {
 
         App::forgetInstance('translator');
+        App::setLocale($this->company->getLocale());
+
         $t = app('translator');
         $t->replace(Ninja::transformTranslations($this->company->settings));
 
diff --git a/app/PaymentDrivers/BaseDriver.php b/app/PaymentDrivers/BaseDriver.php
index a1e3e279eb38..bd232b655d41 100644
--- a/app/PaymentDrivers/BaseDriver.php
+++ b/app/PaymentDrivers/BaseDriver.php
@@ -222,7 +222,9 @@ class BaseDriver extends AbstractPaymentDriver
      */
     public function createPayment($data, $status = Payment::STATUS_COMPLETED): Payment
     {
-        $this->confirmGatewayFee();
+
+        if(in_array($status, [Payment::STATUS_COMPLETED, Payment::STATUS_PENDING]) )        
+            $this->confirmGatewayFee();
 
         /*Never create a payment with a duplicate transaction reference*/
         if(array_key_exists('transaction_reference', $data)){
@@ -253,6 +255,10 @@ class BaseDriver extends AbstractPaymentDriver
         $payment->client_contact_id = $client_contact_id;
         $payment->saveQuietly();
 
+        /* Return early if the payment is no completed or pending*/
+        if(!in_array($status, [Payment::STATUS_COMPLETED, Payment::STATUS_PENDING]) )
+            return $payment;
+
         $this->payment_hash->payment_id = $payment->id;
         $this->payment_hash->save();
 
diff --git a/app/PaymentDrivers/MolliePaymentDriver.php b/app/PaymentDrivers/MolliePaymentDriver.php
index 78e6b495c295..4ddccd9fe5cb 100644
--- a/app/PaymentDrivers/MolliePaymentDriver.php
+++ b/app/PaymentDrivers/MolliePaymentDriver.php
@@ -312,11 +312,12 @@ class MolliePaymentDriver extends BaseDriver
 
             if($record){
                 $client = $record->client;
+                $this->client = $client;
             }
             else{
 
                 $client = Client::withTrashed()->find($this->decodePrimaryKey($payment->metadata->client_id));
-
+                $this->client = $client;
                 // sometimes if the user is not returned to the site with a response from Mollie 
                 // we may not have a payment record - in these cases we need to re-construct the payment
                 // record from the meta data in the payment hash.
@@ -326,6 +327,9 @@ class MolliePaymentDriver extends BaseDriver
                     /* Harvest Payment Hash*/
                     $payment_hash = PaymentHash::where('hash', $payment->metadata->hash)->first();
                     
+                    /* If we are here, then we do not have access to the class payment hash, so lets set it here*/
+                    $this->payment_hash = $payment_hash;
+
                     $data = [
                         'gateway_type_id' => $payment->metadata->gateway_type_id,
                         'amount' => $amount = array_sum(array_column($payment_hash->invoices(), 'amount')) + $payment_hash->fee_total,
diff --git a/app/Transformers/ActivityTransformer.php b/app/Transformers/ActivityTransformer.php
index 0959c8d9f4f5..e4c1442dd4cd 100644
--- a/app/Transformers/ActivityTransformer.php
+++ b/app/Transformers/ActivityTransformer.php
@@ -40,6 +40,7 @@ class ActivityTransformer extends EntityTransformer
             'activity_type_id' => (string) $activity->activity_type_id,
             'client_id' => $activity->client_id ? (string) $this->encodePrimaryKey($activity->client_id) : '',
             'recurring_invoice_id' => $activity->recurring_invoice_id ? (string) $this->encodePrimaryKey($activity->recurring_invoice_id) : '',
+            'recurring_expense_id' => $activity->recurring_expense_id ? (string) $this->encodePrimaryKey($activity->recurring_expense_id) : '',
             'company_id' => $activity->company_id ? (string) $this->encodePrimaryKey($activity->company_id) : '',
             'user_id' => (string) $this->encodePrimaryKey($activity->user_id),
             'invoice_id' => $activity->invoice_id ? (string) $this->encodePrimaryKey($activity->invoice_id) : '',
diff --git a/app/Utils/Traits/GeneratesCounter.php b/app/Utils/Traits/GeneratesCounter.php
index c9494ca3b2b1..ecc16d9f6c8a 100644
--- a/app/Utils/Traits/GeneratesCounter.php
+++ b/app/Utils/Traits/GeneratesCounter.php
@@ -36,8 +36,6 @@ trait GeneratesCounter
     //todo in the form validation, we need to ensure that if a prefix and pattern is set we throw a validation error,
     //only one type is allow else this will cause confusion to the end user
 
-
-
     private function getNextEntityNumber($entity, Client $client, $is_recurring = false)
     {
         $prefix = '';
diff --git a/tests/Feature/ClientApiTest.php b/tests/Feature/ClientApiTest.php
index a481c3775f79..0e67928252a4 100644
--- a/tests/Feature/ClientApiTest.php
+++ b/tests/Feature/ClientApiTest.php
@@ -68,6 +68,56 @@ class ClientApiTest extends TestCase
     }
 
 
+    public function testClientNoneValidation()
+    {
+
+        $data = [
+            'name' => $this->faker->firstName,
+            'number' => '',
+        ];
+
+        $response = false;
+
+        try{
+        $response = $this->withHeaders([
+            'X-API-SECRET' => config('ninja.api_secret'),
+            'X-API-TOKEN' => $this->token,
+        ])->post('/api/v1/clients/', $data);
+        } catch (ValidationException $e) {
+            $message = json_decode($e->validator->getMessageBag(), 1);
+            nlog($message);
+        }
+
+        $response->assertStatus(200);
+
+    }
+
+
+    public function testClientNullValidation()
+    {
+
+        $data = [
+            'name' => $this->faker->firstName,
+            'number' => null,
+        ];
+
+        $response = false;
+
+        try{
+        $response = $this->withHeaders([
+            'X-API-SECRET' => config('ninja.api_secret'),
+            'X-API-TOKEN' => $this->token,
+        ])->post('/api/v1/clients/', $data);
+        } catch (ValidationException $e) {
+            $message = json_decode($e->validator->getMessageBag(), 1);
+            nlog($message);
+        }
+
+        $response->assertStatus(200);
+
+    }
+
+
     public function testClientCountryCodeValidationTrueIso3()
     {
 
diff --git a/tests/Feature/InvoiceAmountPaymentTest.php b/tests/Feature/InvoiceAmountPaymentTest.php
index 0d1e429f4ed7..675c6615082b 100644
--- a/tests/Feature/InvoiceAmountPaymentTest.php
+++ b/tests/Feature/InvoiceAmountPaymentTest.php
@@ -111,4 +111,90 @@ class InvoiceAmountPaymentTest extends TestCase
         $this->assertEquals(10, $payment->amount);
         
     }
+
+    public function testMarkPaidRemovesUnpaidGatewayFees()
+    {
+
+        $data = [
+            'name' => 'A Nice Client',
+        ];
+
+        $response = $this->withHeaders([
+                'X-API-SECRET' => config('ninja.api_secret'),
+                'X-API-TOKEN' => $this->token,
+            ])->post('/api/v1/clients', $data);
+
+        $response->assertStatus(200);
+
+        $arr = $response->json();
+
+        $client_hash_id = $arr['data']['id'];
+        $client = Client::find($this->decodePrimaryKey($client_hash_id));
+        
+        $this->assertEquals($client->balance, 0);
+        $this->assertEquals($client->paid_to_date, 0);
+        //create new invoice.
+
+        $line_items = [];
+
+        $item = InvoiceItemFactory::create();
+        $item->quantity = 1;
+        $item->cost = 10;
+
+        $line_items[] = (array)$item;
+
+        $item = InvoiceItemFactory::create();
+        $item->quantity = 1;
+        $item->cost = 10;
+
+        $line_items[] = (array)$item;
+
+        $item = InvoiceItemFactory::create();
+        $item->quantity = 1;
+        $item->cost = 5;
+        $item->type_id = "3";
+
+        $line_items[] = (array)$item;
+
+        $invoice = [
+            'status_id' => 1,
+            'number' => '',
+            'discount' => 0,
+            'is_amount_discount' => 1,
+            'po_number' => '3434343',
+            'public_notes' => 'notes',
+            'is_deleted' => 0,
+            'custom_value1' => 0,
+            'custom_value2' => 0,
+            'custom_value3' => 0,
+            'custom_value4' => 0,
+            'client_id' => $client_hash_id,
+            'line_items' => (array)$line_items,
+        ];
+
+        $response = $this->withHeaders([
+                'X-API-SECRET' => config('ninja.api_secret'),
+                'X-API-TOKEN' => $this->token,
+            ])->post('/api/v1/invoices?mark_sent=true', $invoice)
+            ->assertStatus(200);
+
+        $arr = $response->json();
+    
+        $invoice_one_hashed_id = $arr['data']['id'];
+
+        $invoice = Invoice::find($this->decodePrimaryKey($invoice_one_hashed_id));
+
+        $this->assertEquals(25, $invoice->balance);
+        $this->assertEquals(25, $invoice->amount);
+
+        $invoice->service()->markPaid()->save();
+
+        $invoice->fresh();
+
+        $this->assertEquals(20, $invoice->amount);
+        $this->assertEquals(0, $invoice->balance);
+
+    }
+
+
 }
\ No newline at end of file
diff --git a/tests/Integration/PostmarkWebhookTest.php b/tests/Integration/PostmarkWebhookTest.php
new file mode 100644
index 000000000000..0dbd89d6513c
--- /dev/null
+++ b/tests/Integration/PostmarkWebhookTest.php
@@ -0,0 +1,141 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+namespace Tests\Integration;
+
+use App\Jobs\PostMark\ProcessPostmarkWebhook;
+use App\Models\Invoice;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Tests\MockAccountData;
+use Tests\TestCase;
+
+/**
+ * @test
+ */
+class PostmarkWebhookTest extends TestCase
+{
+    use MockAccountData;
+    use DatabaseTransactions;
+
+    public function setUp() :void
+    {
+        parent::setUp();
+
+        if(!config('postmark.secret'))
+            $this->markTestSkipped('Postmark Secret Set');
+
+        $this->makeTestData();
+    }
+
+    public function testDeliveryReport()
+    {
+
+        $invitation = $this->invoice->invitations->first();
+        $invitation->message_id = '00000000-0000-0000-0000-000000000000';
+        $invitation->save();
+
+        $data = [
+            'RecordType' => "Delivery",
+            'ServerID' => "23",
+            'MessageStream' => "outbound",
+            'MessageID' => "00000000-0000-0000-0000-000000000000",
+            'Recipient' => "john@example.com",
+            'Tag' => $this->company->company_key,
+            'DeliveredAt' => "2021-02-21T16:34:52Z",
+            'Details' => "Test delivery webhook details",
+        ];
+
+        $response = $this->post('/api/v1/postmark_webhook', $data);
+
+        $response->assertStatus(403);
+
+        $response = $this->withHeaders([
+            'X-API-SECURITY' => config('postmark.secret')
+        ])->post('/api/v1/postmark_webhook', $data);
+
+        $response->assertStatus(200);
+
+    }
+
+    public function testDeliveryJob()
+    {
+
+        $invitation = $this->invoice->invitations->first();
+        $invitation->message_id = '00000000-0000-0000-0000-000000000000';
+        $invitation->save();
+
+        ProcessPostmarkWebhook::dispatchNow([
+            'RecordType' => "Delivery",
+            'ServerID' => "23",
+            'MessageStream' => "outbound",
+            'MessageID' => "00000000-0000-0000-0000-000000000000",
+            'Recipient' => "john@example.com",
+            'Tag' => $this->company->company_key,
+            'DeliveredAt' => "2021-02-21T16:34:52Z",
+            'Details' => "Test delivery webhook details",
+        ]);
+
+        $this->assertEquals('delivered', $invitation->fresh()->email_status);
+
+    }
+
+    public function testSpamReport()
+    {
+
+        $invitation = $this->invoice->invitations->first();
+        $invitation->message_id = '00000000-0000-0000-0000-000000000001';
+        $invitation->save();
+
+        $data = [
+            'RecordType' => "SpamComplaint",
+            'ServerID' => "23",
+            'MessageStream' => "outbound",
+            'MessageID' => "00000000-0000-0000-0000-000000000001",
+            'Recipient' => "john@example.com",
+            'Tag' => $this->company->company_key,
+            'DeliveredAt' => "2021-02-21T16:34:52Z",
+            'Details' => "Test delivery webhook details",
+        ];
+
+        $response = $this->post('/api/v1/postmark_webhook', $data);
+
+        $response->assertStatus(403);
+
+        $response = $this->withHeaders([
+            'X-API-SECURITY' => config('postmark.secret')
+        ])->post('/api/v1/postmark_webhook', $data);
+
+        $response->assertStatus(200);
+
+    }
+
+    public function testSpamJob()
+    {
+
+        $invitation = $this->invoice->invitations->first();
+        $invitation->message_id = '00000000-0000-0000-0000-000000000001';
+        $invitation->save();
+
+        ProcessPostmarkWebhook::dispatchNow([
+            'RecordType' => "SpamComplaint",
+            'ServerID' => "23",
+            'MessageStream' => "outbound",
+            'MessageID' => "00000000-0000-0000-0000-000000000001",
+            'From' => "john@example.com",
+            'Tag' => $this->company->company_key,
+            'DeliveredAt' => "2021-02-21T16:34:52Z",
+            'Details' => "Test delivery webhook details",
+        ]);
+
+        $this->assertEquals('spam', $invitation->fresh()->email_status);
+
+    }
+
+}