diff --git a/app/Models/Account.php b/app/Models/Account.php
index cd849b4efacc..04c254919e57 100644
--- a/app/Models/Account.php
+++ b/app/Models/Account.php
@@ -33,7 +33,7 @@ class Account extends BaseModel
     use PresentableTrait;
     use MakesHash;
 
-    private $free_plan_email_quota = 100;
+    private $free_plan_email_quota = 50;
 
     private $paid_plan_email_quota = 500;
     /**
diff --git a/app/Notifications/Ninja/EmailQualityNotification.php b/app/Notifications/Ninja/EmailQualityNotification.php
new file mode 100644
index 000000000000..2c852f7acb67
--- /dev/null
+++ b/app/Notifications/Ninja/EmailQualityNotification.php
@@ -0,0 +1,93 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\Notifications\Ninja;
+
+use App\Models\Company;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Messages\SlackMessage;
+use Illuminate\Notifications\Notification;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+
+class EmailQualityNotification extends Notification 
+{
+
+    /**
+     * Create a new notification instance.
+     *
+     * @return void
+     */
+
+    protected Company $company;
+
+    protected string $spam_string;
+
+    public function __construct(Company $company, string $spam_string)
+    {
+        $this->company = $company;
+        $this->spam_string = $spam_string;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @param  mixed  $notifiable
+     * @return array
+     */
+    public function via($notifiable)
+    {
+        return ['slack'];
+    }
+
+    /**
+     * Get the mail representation of the notification.
+     *
+     * @param  mixed  $notifiable
+     * @return MailMessage
+     */
+    public function toMail($notifiable)
+    {
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @param  mixed  $notifiable
+     * @return array
+     */
+    public function toArray($notifiable)
+    {
+        return [
+            //
+        ];
+    }
+
+    public function toSlack($notifiable)
+    {
+
+        $content = "Email Quality notification for Company {$this->company->company_key} \n";
+
+        $owner = $this->company->owner();
+
+        $content .= "Owner {$owner->present()->name() } | {$owner->email} \n";
+        $content .= "Spam trigger: {$this->spam_string}";
+
+        return (new SlackMessage)
+                ->success()
+                ->from(ctrans('texts.notification_bot'))
+                ->image('https://app.invoiceninja.com/favicon.png')
+                ->content($content);
+    }
+}
diff --git a/resources/lang/en/texts.php b/resources/lang/en/texts.php
index bf7353d75fb9..4c9df86e6ac1 100644
--- a/resources/lang/en/texts.php
+++ b/resources/lang/en/texts.php
@@ -4633,6 +4633,7 @@ $LANG = array(
     'vendor_information' => 'Vendor Information',
     'notification_purchase_order_accepted_subject' => 'Purchase Order :purchase_order was accepted by :vendor',
     'notification_purchase_order_accepted' => 'The following vendor :vendor accepted Purchase Order :purchase_order for :amount.',
+    'amount_received' => 'Amount received',
 );
 
 return $LANG;