diff --git a/lib/AdminPages/Pages/Newsletters.php b/lib/AdminPages/Pages/Newsletters.php
index de1898f383..2790666c33 100644
--- a/lib/AdminPages/Pages/Newsletters.php
+++ b/lib/AdminPages/Pages/Newsletters.php
@@ -113,7 +113,7 @@ class Newsletters {
     $data['premium_plugin_active'] = License::getLicense();
     $data['is_woocommerce_active'] = $this->woocommerce_helper->isWooCommerceActive();
     $data['is_mailpoet_update_available'] = array_key_exists(Env::$plugin_path, $this->wp->getPluginUpdates());
-    $data['subscribers_count'] = Subscriber::getTotalSubscribers();
+    $data['subscriber_count'] = Subscriber::getTotalSubscribers();
     $data['mailpoet_feature_flags'] = $this->features_controller->getAllFlags();
 
     if (!$data['premium_plugin_active']) {
diff --git a/lib/AdminPages/Pages/Premium.php b/lib/AdminPages/Pages/Premium.php
index 9d3e43f67b..f7e69aa4f4 100644
--- a/lib/AdminPages/Pages/Premium.php
+++ b/lib/AdminPages/Pages/Premium.php
@@ -4,17 +4,23 @@ namespace MailPoet\AdminPages\Pages;
 
 use MailPoet\AdminPages\PageRenderer;
 use MailPoet\Models\Subscriber;
+use MailPoet\WP\Functions as WPFunctions;
 
 class Premium {
   /** @var PageRenderer */
   private $page_renderer;
 
-  function __construct(PageRenderer $page_renderer) {
+  /** @var WPFunctions */
+  private $wp;
+
+  function __construct(PageRenderer $page_renderer, WPFunctions $wp) {
     $this->page_renderer = $page_renderer;
+    $this->wp = $wp;
   }
 
   function render() {
     $data = [
+      'current_wp_user' => $this->wp->wpGetCurrentUser()->to_array(),
       'subscriber_count' => Subscriber::getTotalSubscribers(),
     ];
     $this->page_renderer->displayPage('premium.html', $data);
diff --git a/lib/AdminPages/Pages/SubscribersAPIKeyInvalid.php b/lib/AdminPages/Pages/SubscribersAPIKeyInvalid.php
index e8b9bcd789..0abb84ef26 100644
--- a/lib/AdminPages/Pages/SubscribersAPIKeyInvalid.php
+++ b/lib/AdminPages/Pages/SubscribersAPIKeyInvalid.php
@@ -4,17 +4,23 @@ namespace MailPoet\AdminPages\Pages;
 
 use MailPoet\AdminPages\PageRenderer;
 use MailPoet\Models\Subscriber;
+use MailPoet\WP\Functions as WPFunctions;
 
 class SubscribersAPIKeyInvalid {
   /** @var PageRenderer */
   private $page_renderer;
 
-  function __construct(PageRenderer $page_renderer) {
+  /** @var WPFunctions */
+  private $wp;
+
+  function __construct(PageRenderer $page_renderer, WPFunctions $wp) {
     $this->page_renderer = $page_renderer;
+    $this->wp = $wp;
   }
 
   function render() {
     $this->page_renderer->displayPage('invalidkey.html', [
+      'current_wp_user' => $this->wp->wpGetCurrentUser()->to_array(),
       'subscriber_count' => Subscriber::getTotalSubscribers(),
     ]);
   }
diff --git a/lib/AdminPages/Pages/WelcomeWizard.php b/lib/AdminPages/Pages/WelcomeWizard.php
index e68e5a858b..44187e3560 100644
--- a/lib/AdminPages/Pages/WelcomeWizard.php
+++ b/lib/AdminPages/Pages/WelcomeWizard.php
@@ -50,7 +50,8 @@ class WelcomeWizard {
       'finish_wizard_url' => $this->wp->adminUrl('admin.php?page=' . Menu::MAIN_PAGE_SLUG),
       'sender' => $this->settings->get('sender'),
       'admin_email' => $this->wp->getOption('admin_email'),
-      'subscribers_count' => Subscriber::getTotalSubscribers(),
+      'current_wp_user' => $this->wp->wpGetCurrentUser()->to_array(),
+      'subscriber_count' => Subscriber::getTotalSubscribers(),
       'has_mss_key_specified' => Bridge::isMSSKeySpecified(),
     ];
     $data['mailpoet_feature_flags'] = $this->features_controller->getAllFlags();
diff --git a/views/invalidkey.html b/views/invalidkey.html
index d435b278cf..a86e4957c3 100644
--- a/views/invalidkey.html
+++ b/views/invalidkey.html
@@ -10,7 +10,7 @@
   </p>
 
   <p>
-      <a class="button button-primary" target="_blank" href="<%= add_referral_id('https://account.mailpoet.com?s=' ~ subscriber_count) %>"><%= __('Visit MailPoet.com to purchase a key') %></a>
+      <a class="button button-primary" target="_blank" href="<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email) | escape('html_attr') %>"><%= __('Visit MailPoet.com to purchase a key') %></a>
     </p>
 </div>
 <% endblock %>
diff --git a/views/newsletters.html b/views/newsletters.html
index 57d6c9e244..252394bb57 100644
--- a/views/newsletters.html
+++ b/views/newsletters.html
@@ -29,7 +29,7 @@
 
       var has_mss_key_specified = <%= json_encode(has_mss_key_specified) %>;
       var MSS_pitch_illustration_url = '<%= cdn_url('welcome-wizard/illu-pitch-mss.20190912.png') %>';
-      var mailpoet_account_url = '<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscribers_count) %>';
+      var mailpoet_account_url = '<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email) | escape('js') %>';
       var mailpoet_feature_flags = <%= json_encode(mailpoet_feature_flags) %>;
 
       var mailpoet_woocommerce_active = <%= json_encode(is_woocommerce_active) %>;
@@ -49,7 +49,7 @@
       var mailpoet_mss_active = <%= json_encode(mss_active) %>;
       var mailpoet_mta_method = '<%= settings.mta.method %>';
       var mailpoet_editor_javascript_url = '<%= getJavascriptScriptUrl("newsletter_editor.js") %>';
-      var mailpoet_subscribers_count = <%= subscribers_count %>;
+      var mailpoet_subscribers_count = <%= subscriber_count %>;
 
       <% if not(premium_plugin_active) %>
         var mailpoet_free_premium_subscribers_limit = <%= free_premium_subscribers_limit %>;
diff --git a/views/premium.html b/views/premium.html
index 1fb9acb154..e39465ad3a 100644
--- a/views/premium.html
+++ b/views/premium.html
@@ -18,7 +18,7 @@
       <div class="mailpoet-premium-page-intro-link-wrap">
         <a
           target="_blank"
-          href="<%= add_referral_id('https://account.mailpoet.com?s=' ~ subscriber_count ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') %>"
+          href="<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') | escape('html_attr') %>"
           class="premium-button"
         >
           <%= _x('Upgrade', 'This text resides in the Premium page: /wp-admin/admin.php?page=mailpoet-premium') %>
@@ -37,7 +37,7 @@
     </h3>
     <a
       target="_blank"
-      href="<%= add_referral_id('https://account.mailpoet.com?s=' ~ subscriber_count ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') %>"
+      href="<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') | escape('html_attr') %>"
       class="premium-button"
     >
       <%= _x('Sign up for free', 'This text resides in the Premium page: /wp-admin/admin.php?page=mailpoet-premium') %>
@@ -143,7 +143,7 @@
         <div class="mailpoet-premium-page-options-divider"></div>
         <a
           target="_blank"
-          href="<%= add_referral_id('https://account.mailpoet.com?s=' ~ subscriber_count ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') %>"
+          href="<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') | escape('html_attr') %>"
           class="premium-button"
         >
           <%= _x('Get started', 'This text resides in the Premium page: /wp-admin/admin.php?page=mailpoet-premium') %>
@@ -164,7 +164,7 @@
         <div class="mailpoet-premium-page-options-divider"></div>
         <a
           target="_blank"
-          href="<%= add_referral_id('https://account.mailpoet.com?s=' ~ subscriber_count ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') %>"
+          href="<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') | escape('html_attr') %>"
           class="premium-button"
         >
           <%= _x('Get started', 'This text resides in the Premium page: /wp-admin/admin.php?page=mailpoet-premium') %>
@@ -192,7 +192,7 @@
     </ul>
     <a
       target="_blank"
-      href="<%= add_referral_id('https://account.mailpoet.com?s=' ~ subscriber_count ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') %>"
+      href="<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') | escape('html_attr') %>"
       class="premium-button"
     >
       <%= _x('Buy Now (currently 33% discount)', 'This text resides in the Premium page: /wp-admin/admin.php?page=mailpoet-premium') %>
@@ -274,7 +274,7 @@
     </h3>
     <a
       target="_blank"
-      href="<%= add_referral_id('https://account.mailpoet.com?s=' ~ subscriber_count ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') %>"
+      href="<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email ~ '&utm_source=plugin&utm_medium=premium&utm_campaign=purchase') | escape('html_attr') %>"
       class="premium-button"
     >
       <%= _x('Upgrade now', 'This text resides in the Premium page: /wp-admin/admin.php?page=mailpoet-premium') %>
diff --git a/views/welcome_wizard.html b/views/welcome_wizard.html
index da533a8bc2..984c4d1f2b 100644
--- a/views/welcome_wizard.html
+++ b/views/welcome_wizard.html
@@ -15,8 +15,8 @@
   var sender_data = <%= json_encode(sender) %>;
   var admin_email = <%= json_encode(admin_email) %>;
   var hide_mailpoet_beacon = true;
-  var subscribers_count = <%= subscribers_count %>;
-  var mailpoet_account_url = '<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscribers_count) %>';
+  var subscribers_count = <%= subscriber_count %>;
+  var mailpoet_account_url = '<%= add_referral_id("https://account.mailpoet.com/?s=" ~ subscriber_count ~ "&email=" ~ current_wp_user.user_email) | escape('js') %>';
   var has_mss_key_specified = <%= json_encode(has_mss_key_specified) %>;
   var mailpoet_feature_flags = <%= json_encode(mailpoet_feature_flags) %>;
 </script>