diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b5af5b..6fed17c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2023-07-19 4.6.9
+* Changed the logic of customer subscriptions to promotional newsletters
+
 ## 2023-06-27 4.6.8
 * Added the ability to select CRM warehouses to synchronize the balance of offers
 
diff --git a/VERSION b/VERSION
index 45fc36e..a41324d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.6.8
\ No newline at end of file
+4.6.9
\ No newline at end of file
diff --git a/resources/pot/retailcrm-es_ES.pot b/resources/pot/retailcrm-es_ES.pot
index 4d56e37..8e72c43 100644
--- a/resources/pot/retailcrm-es_ES.pot
+++ b/resources/pot/retailcrm-es_ES.pot
@@ -420,3 +420,6 @@ msgstr "Almacenes disponibles en CRM"
 
 msgid "Select warehouses to receive balances from CRM. To select several warehouses, hold down CTRL (for Windows and Linux) or ⌘ Command (for MacOS)"
 msgstr "Selecciona los almacenes para recibir el stock desde CRM. Para seleccionar varios mantén pulsado CTRL (para Windows y Linux) o ⌘ Command (para MacOS)"
+
+msgid "I agree to receive promotional newsletters"
+msgstr "Estoy de acuerdo en recibir los boletines informativos"
\ No newline at end of file
diff --git a/resources/pot/retailcrm-ru_RU.pot b/resources/pot/retailcrm-ru_RU.pot
index 4448b45..cbfb439 100644
--- a/resources/pot/retailcrm-ru_RU.pot
+++ b/resources/pot/retailcrm-ru_RU.pot
@@ -429,3 +429,6 @@ msgstr "Склады, доступные в CRM"
 
 msgid "Select warehouses to receive balances from CRM. To select several warehouses, hold down CTRL (for Windows and Linux) or ⌘ Command (for MacOS)"
 msgstr "Выберите склады для получения остатков из CRM. Для выбора нескольких складов зажмите CTRL (для Windows и Linux) или ⌘ Command (для MacOS)"
+
+msgid "I agree to receive promotional newsletters"
+msgstr "Согласен на рекламно-информационные рассылки"
diff --git a/src/include/class-wc-retailcrm-base.php b/src/include/class-wc-retailcrm-base.php
index 6688077..78515be 100644
--- a/src/include/class-wc-retailcrm-base.php
+++ b/src/include/class-wc-retailcrm-base.php
@@ -99,6 +99,18 @@ if (!class_exists('WC_Retailcrm_Base')) {
             add_action('admin_enqueue_scripts', [$this, 'include_files_for_admin'], 101);
             add_action('woocommerce_new_order', [$this, 'create_order'], 11, 1);
 
+            // Subscribed hooks
+            add_action('register_form', [$this, 'subscribe_register_form'], 99);
+            add_action('woocommerce_register_form', [$this, 'subscribe_woocommerce_register_form'], 99);
+
+            if (get_option('woocommerce_enable_signup_and_login_from_checkout') === static::YES) {
+                add_action(
+                    'woocommerce_before_checkout_registration_form',
+                    [$this, 'subscribe_woocommerce_before_checkout_registration_form'],
+                    99
+                );
+            }
+
             if (
                 !$this->get_option('deactivate_update_order')
                 || $this->get_option('deactivate_update_order') == static::NO
@@ -175,6 +187,34 @@ if (!class_exists('WC_Retailcrm_Base')) {
             return $settings;
         }
 
+        /**
+         * Displaying the checkbox in the WP registration form(wp-login.php).
+         *
+         */
+        public function subscribe_register_form()
+        {
+            echo $this->getSubscribeCheckbox();
+        }
+
+        /**
+         * Displaying the checkbox in the WC registration form.
+         *
+         */
+        public function subscribe_woocommerce_register_form()
+        {
+            echo $this->getSubscribeCheckbox();
+        }
+
+        /**
+         * Displaying the checkbox in the Checkout order form.
+         *
+         */
+        public function subscribe_woocommerce_before_checkout_registration_form()
+        {
+            echo $this->getSubscribeCheckbox();
+        }
+
+
         /**
          * If you change the time interval, need to clear the old cron tasks
          *
@@ -356,6 +396,9 @@ if (!class_exists('WC_Retailcrm_Base')) {
                 return;
             }
 
+            $post = $this->get_post_data();
+            $this->customers->isSubscribed = !empty($post['subscribe']);
+
             $this->customers->registerCustomer($customerId);
         }
 
@@ -882,5 +925,21 @@ if (!class_exists('WC_Retailcrm_Base')) {
                 'default-crm-field#tags' => __('tags', 'retailcrm'),
             ];
         }
+
+        private function getSubscribeCheckbox()
+        {
+            $style = is_wplogin()
+                ? 'margin-left: 2em; display: block; position: relative; margin-top: -1.4em; line-height: 1.4em;'
+                : '';
+
+            return sprintf(
+                '<div style="margin-bottom:15px">
+                            <input type="checkbox" id="subscribeEmail" name="subscribe" value="subscribed"/>
+                            <label style="%s" for="subscribeEmail">%s</label>
+                        </div>',
+                $style,
+                __('I agree to receive promotional newsletters', 'retailcrm')
+            );
+        }
     }
 }
diff --git a/src/include/class-wc-retailcrm-customers.php b/src/include/class-wc-retailcrm-customers.php
index c2927b9..0c0f87f 100644
--- a/src/include/class-wc-retailcrm-customers.php
+++ b/src/include/class-wc-retailcrm-customers.php
@@ -38,6 +38,9 @@ if (!class_exists('WC_Retailcrm_Customers')) :
         /**@var array */
         private $customFields = [];
 
+        /**@var null */
+        public $isSubscribed = null;
+
         /**
          * WC_Retailcrm_Customers constructor.
          *
@@ -95,6 +98,7 @@ if (!class_exists('WC_Retailcrm_Customers')) :
             if (!$this->retailcrm instanceof WC_Retailcrm_Proxy) {
                 return null;
             }
+
             $wcCustomer = new WC_Customer($customerId);
             $email      = $wcCustomer->get_billing_email();
 
@@ -123,8 +127,8 @@ if (!class_exists('WC_Retailcrm_Customers')) :
                     $builder = new WC_Retailcrm_WC_Customer_Builder();
                     $builder
                         ->setWcCustomer($wcCustomer)
-                        ->setPhones(isset($customer['phones']) ? $customer['phones'] : [])
-                        ->setAddress(isset($customer['address']) ? $customer['address'] : false)
+                        ->setPhones(!empty($customer['phones']) ? $customer['phones'] : [])
+                        ->setAddress(!empty($customer['address']) ? $customer['address'] : false)
                         ->build()
                         ->getResult()
                         ->save();
@@ -134,6 +138,11 @@ if (!class_exists('WC_Retailcrm_Customers')) :
             } else {
                 $this->createCustomer($customerId);
 
+                $message = $this->isSubscribed
+                    ? 'The client has agreed to receive promotional newsletter, email: '
+                    : 'The client refused to receive promotional newsletters, email: ';
+
+                WC_Retailcrm_Logger::addCaller('subscribe', $message . $email);
                 WC_Retailcrm_Logger::add('Customer was created, externalId: ' . $wcCustomer->get_id());
             }
         }
@@ -384,10 +393,6 @@ if (!class_exists('WC_Retailcrm_Customers')) :
                 $firstName = $order->get_billing_first_name();
                 $lastName = $order->get_billing_last_name();
 
-                if (empty($firstName)) {
-                    $firstName = $customer->get_username();
-                }
-
                 if (empty($email)) {
                     $email = $order->get_billing_email();
                 }
@@ -403,7 +408,7 @@ if (!class_exists('WC_Retailcrm_Customers')) :
 
             $customerData = [
                 'createdAt' => $createdAt->date('Y-m-d H:i:s'),
-                'firstName' => $firstName ? $firstName : $customer->get_username(),
+                'firstName' => !empty($firstName) ? $firstName : $customer->get_username(),
                 'lastName' => $lastName,
                 'email' => $email,
                 'address' => $this->customer_address->build($customer, $order)->getData()
@@ -413,6 +418,15 @@ if (!class_exists('WC_Retailcrm_Customers')) :
                 $customerData['externalId'] = $customer->get_id();
             }
 
+            // The guest client is unsubscribed by default
+            if ($customer->get_id() === 0 && $customer->get_date_created() === null) {
+                $customerData['subscribed'] = false;
+            }
+
+            if ($this->isSubscribed !== null) {
+                $customerData['subscribed'] = $this->isSubscribed;
+            }
+
             if (!empty($billingPhone)) {
                 $customerData['phones'][] = [
                     'number' => $billingPhone
diff --git a/src/include/customer/woocommerce/class-wc-retailcrm-wc-customer-builder.php b/src/include/customer/woocommerce/class-wc-retailcrm-wc-customer-builder.php
index a3052e5..6f8e824 100644
--- a/src/include/customer/woocommerce/class-wc-retailcrm-wc-customer-builder.php
+++ b/src/include/customer/woocommerce/class-wc-retailcrm-wc-customer-builder.php
@@ -144,7 +144,7 @@ class WC_Retailcrm_WC_Customer_Builder extends WC_Retailcrm_Abstract_Builder
     }
 
     /**
-     * Fill WC_Customer fields with customer data from retailCRM.
+     * Fill WC_Customer fields with customer data from RetailCRM.
      * If field is not present in retailCRM customer - it will remain unchanged.
      *
      * @return $this|\WC_Retailcrm_Builder_Interface
@@ -152,11 +152,13 @@ class WC_Retailcrm_WC_Customer_Builder extends WC_Retailcrm_Abstract_Builder
     public function build()
     {
         $this->checkBuilderValidity();
-        WC_Retailcrm_Logger::debug(__METHOD__, array('Building WC_Customer from data:', $this->data));
+
+        WC_Retailcrm_Logger::debug(__METHOD__, ['Building WC_Customer from data:', $this->data]);
+
         $this->customer->set_first_name($this->dataValue('firstName', $this->customer->get_first_name()));
         $this->customer->set_last_name($this->dataValue('lastName', $this->customer->get_last_name()));
         $this->customer->set_billing_email($this->dataValue('email', $this->customer->get_billing_email()));
-        $phones = $this->dataValue('phones', array());
+        $phones = $this->dataValue('phones', []);
 
         if ((is_array($phones) || $phones instanceof Countable) && count($phones) > 0) {
             $phoneData = reset($phones);
diff --git a/src/include/functions.php b/src/include/functions.php
index 893e2d7..b04493f 100644
--- a/src/include/functions.php
+++ b/src/include/functions.php
@@ -191,4 +191,3 @@ function writeBaseLogs($message)
 {
     WC_Retailcrm_Logger::addCaller(__METHOD__, $message);
 }
-
diff --git a/src/languages/retailcrm-es_ES.mo b/src/languages/retailcrm-es_ES.mo
index 6da3717..1d0853c 100644
Binary files a/src/languages/retailcrm-es_ES.mo and b/src/languages/retailcrm-es_ES.mo differ
diff --git a/src/languages/retailcrm-ru_RU.mo b/src/languages/retailcrm-ru_RU.mo
index 3e7db14..60c038b 100644
Binary files a/src/languages/retailcrm-ru_RU.mo and b/src/languages/retailcrm-ru_RU.mo differ
diff --git a/src/readme.txt b/src/readme.txt
index 02f7b30..628d205 100644
--- a/src/readme.txt
+++ b/src/readme.txt
@@ -5,7 +5,7 @@ Tags: Интеграция, Simla.com, simla
 Requires PHP: 7.0
 Requires at least: 5.3
 Tested up to: 6.2
-Stable tag: 4.6.8
+Stable tag: 4.6.9
 License: GPLv1 or later
 License URI: http://www.gnu.org/licenses/gpl-1.0.html
 
@@ -82,6 +82,9 @@ Asegúrate de tener una clave API específica para cada tienda. Las siguientes i
 
 
 == Changelog ==
+= 4.6.9 =
+* Changed the logic of customer subscriptions to promotional newsletters
+
 = 4.6.8 =
 * Added the ability to select CRM warehouses to synchronize the balance of offers
 
diff --git a/src/retailcrm.php b/src/retailcrm.php
index ddc9bc8..1dbb47e 100644
--- a/src/retailcrm.php
+++ b/src/retailcrm.php
@@ -5,7 +5,7 @@
  * Description: Integration plugin for WooCommerce & Simla.com
  * Author: RetailDriver LLC
  * Author URI: http://retailcrm.pro/
- * Version: 4.6.8
+ * Version: 4.6.9
  * Tested up to: 6.2
  * WC requires at least: 5.4
  * WC tested up to: 7.8
diff --git a/src/uninstall.php b/src/uninstall.php
index 11dcd40..b1b18b3 100644
--- a/src/uninstall.php
+++ b/src/uninstall.php
@@ -16,7 +16,7 @@
  *
  * @link       https://wordpress.org/plugins/woo-retailcrm/
  *
- * @version    4.6.8
+ * @version    4.6.9
  *
  * @package    RetailCRM
  */
diff --git a/tests/helpers/class-wc-retailcrm-test-case-helper.php b/tests/helpers/class-wc-retailcrm-test-case-helper.php
index b64a301..7b1ebbe 100644
--- a/tests/helpers/class-wc-retailcrm-test-case-helper.php
+++ b/tests/helpers/class-wc-retailcrm-test-case-helper.php
@@ -83,6 +83,9 @@ class WC_Retailcrm_Test_Case_Helper extends WC_Unit_Test_Case
 
         update_option(WC_Retailcrm_Base::$option_key, $options);
 
+        //Need for subscribe_woocommerce_before_checkout_registration_form
+        update_option('woocommerce_enable_signup_and_login_from_checkout', 'yes');
+
         return $options;
     }
 
diff --git a/tests/test-wc-retailcrm-base.php b/tests/test-wc-retailcrm-base.php
index a9370f8..5b1e774 100644
--- a/tests/test-wc-retailcrm-base.php
+++ b/tests/test-wc-retailcrm-base.php
@@ -259,6 +259,20 @@ class WC_Retailcrm_Base_Test extends WC_Retailcrm_Test_Case_Helper
         ob_end_clean();
     }
 
+    public function test_subscribed_checkbox()
+    {
+        ob_start();
+
+        $this->baseRetailcrm->subscribe_register_form();
+        $this->baseRetailcrm->subscribe_woocommerce_register_form();
+        $this->baseRetailcrm->subscribe_woocommerce_before_checkout_registration_form();
+
+        $this->assertContains('subscribeEmail', ob_get_contents());
+
+        ob_end_clean();
+    }
+
+
     public function test_initialize_whatsapp()
     {
         ob_start();
diff --git a/tests/test-wc-retailcrm-customers.php b/tests/test-wc-retailcrm-customers.php
index 001cba1..c0e3205 100644
--- a/tests/test-wc-retailcrm-customers.php
+++ b/tests/test-wc-retailcrm-customers.php
@@ -144,6 +144,8 @@ class WC_Retailcrm_Customers_Test extends WC_Retailcrm_Test_Case_Helper
 
         $crmCustomer = $this->getRetailcrmCustomer($retailcrm);
 
+        $crmCustomer->isSubscribed = true;
+
         $id       = $crmCustomer->registerCustomer($this->customer->get_id());
         $customer = $crmCustomer->getCustomer();
 
@@ -158,6 +160,7 @@ class WC_Retailcrm_Customers_Test extends WC_Retailcrm_Test_Case_Helper
             $this->assertEquals($customer['firstName'], $this->customer->get_first_name());
             $this->assertEquals($customer['email'], $this->customer->get_email());
             $this->assertEquals($customer['customFields']['crm_customer'], 'test_custom_fields');
+            $this->assertTrue($customer['subscribed']);
         } else {
             $this->assertEquals(null, $id);
             $this->assertEquals([], $customer);