diff --git a/assets/js/src/subscribers/importExport/import.js b/assets/js/src/subscribers/importExport/import.js
index 9b723f8b72..7f6ac23750 100644
--- a/assets/js/src/subscribers/importExport/import.js
+++ b/assets/js/src/subscribers/importExport/import.js
@@ -71,7 +71,7 @@ define(
                   jQuery('#method_paste > div.mailpoet_method_process')
                       .find('a.mailpoet_process'),
               mailChimpKeyInputElement = jQuery('#mailchimp_key'),
-              mailChimpKeyVerifyButtonEelement = jQuery('#mailchimp_key_verify'),
+              mailChimpKeyVerifyButtonElement = jQuery('#mailchimp_key_verify'),
               mailChimpListsContainerElement = jQuery('#mailchimp_lists'),
               mailChimpProcessButtonElement =
                   jQuery('#method_mailchimp > div.mailpoet_method_process')
@@ -178,15 +178,11 @@ define(
               jQuery('.mailpoet_mailchimp-key-status')
                   .html('')
                   .removeClass('mailpoet_mailchimp-ok mailpoet_mailchimp-error');
-              mailChimpKeyVerifyButtonEelement.prop('disabled', true);
               toggleNextStepButton(mailChimpProcessButtonElement, 'off');
             }
-            else {
-              mailChimpKeyVerifyButtonEelement.prop('disabled', false);
-            }
           });
 
-          mailChimpKeyVerifyButtonEelement.click(function () {
+          mailChimpKeyVerifyButtonElement.click(function () {
             MailPoet.Modal.loading(true);
             MailPoet.Ajax.post({
               endpoint: 'ImportExport',
@@ -1051,7 +1047,7 @@ define(
                       importResults.created = response.data.created;
                       importResults.updated = response.data.updated;
                       importResults.segments = response.data.segments;
-                      importResults.segments_with_welcome_notification = response.data.segments_with_welcome_notification;
+                      importResults.added_to_segment_with_welcome_notification = response.data.added_to_segment_with_welcome_notification;
                     }
                     queue.run();
                   })
@@ -1119,10 +1115,8 @@ define(
                     .replace('%1$s', '<strong>' + importData.step2.updated.toLocaleString() + '</strong>')
                     .replace('%2$s', '"' + importData.step2.segments.join('", "') + '"')
                     : false,
-                no_action: (!importData.step2.created && !importData.step2.updated)
-                    ? true
-                    : false,
-                segments_with_welcome_notification: importData.step2.segments_with_welcome_notification
+                no_action: (!importData.step2.created && !importData.step2.updated),
+                added_to_segment_with_welcome_notification: importData.step2.added_to_segment_with_welcome_notification
               };
 
           jQuery('#subscribers_data_import_results')
diff --git a/lib/Config/Menu.php b/lib/Config/Menu.php
index f3676c52a7..86de2278ac 100644
--- a/lib/Config/Menu.php
+++ b/lib/Config/Menu.php
@@ -10,7 +10,7 @@ use MailPoet\Models\Setting;
 use MailPoet\Settings\Charsets;
 use MailPoet\Settings\Hosts;
 use MailPoet\Settings\Pages;
-use MailPoet\Subscribers\ImportExport\BootStrapMenu;
+use MailPoet\Subscribers\ImportExport\ImportExportFactory;
 use MailPoet\Util\DKIM;
 use MailPoet\Util\Permissions;
 use MailPoet\Listing;
@@ -438,14 +438,14 @@ class Menu {
   }
 
   function import() {
-    $import = new BootStrapMenu('import');
+    $import = new ImportExportFactory('import');
     $data = $import->bootstrap();
     $data['sub_menu'] = 'mailpoet-subscribers';
     echo $this->renderer->render('subscribers/importExport/import.html', $data);
   }
 
   function export() {
-    $export = new BootStrapMenu('export');
+    $export = new ImportExportFactory('export');
     $data = $export->bootstrap();
     $data['sub_menu'] = 'mailpoet-subscribers';
     echo $this->renderer->render('subscribers/importExport/export.html', $data);
diff --git a/lib/Models/Newsletter.php b/lib/Models/Newsletter.php
index ad1f7c778f..ad79dac939 100644
--- a/lib/Models/Newsletter.php
+++ b/lib/Models/Newsletter.php
@@ -5,6 +5,8 @@ if(!defined('ABSPATH')) exit;
 
 class Newsletter extends Model {
   public static $_table = MP_NEWSLETTERS_TABLE;
+  const TYPE_WELCOME = 'wecome';
+  const TYPE_NOTIFICATION = 'notification';
 
   function __construct() {
     parent::__construct();
@@ -259,4 +261,25 @@ class Newsletter extends Model {
     $newsletter->save();
     return $newsletter;
   }
-}
+
+  static function getWelcomeNotificationsForSegments($segments) {
+    return NewsletterOption::table_alias('options')
+      ->select('options.newsletter_id')
+      ->select('options.value', 'segment_id')
+      ->join(
+        self::$_table,
+        'newsletters.id = options.newsletter_id',
+        'newsletters'
+      )
+      ->join(
+        MP_NEWSLETTER_OPTION_FIELDS_TABLE,
+        'option_fields.id = options.option_field_id',
+        'option_fields'
+      )
+      ->whereNull('newsletters.deleted_at')
+      ->where('newsletters.type', 'welcome')
+      ->where('option_fields.name', 'segment')
+      ->whereIn('options.value', $segments)
+      ->findMany();
+  }
+}
\ No newline at end of file
diff --git a/lib/Subscribers/ImportExport/Export/Export.php b/lib/Subscribers/ImportExport/Export/Export.php
index b86e1bb45e..681b8ee542 100644
--- a/lib/Subscribers/ImportExport/Export/Export.php
+++ b/lib/Subscribers/ImportExport/Export/Export.php
@@ -6,7 +6,7 @@ use MailPoet\Models\CustomField;
 use MailPoet\Models\Segment;
 use MailPoet\Models\Subscriber;
 use MailPoet\Models\SubscriberSegment;
-use MailPoet\Subscribers\ImportExport\BootStrapMenu;
+use MailPoet\Subscribers\ImportExport\ImportExportFactory;
 use MailPoet\Util\Helpers;
 use MailPoet\Util\XLSXWriter;
 
@@ -258,8 +258,8 @@ class Export {
   }
 
   function formatSubscriberFields($subscriber_fields, $subscriber_custom_fields) {
-    $bootstrap_menu = new BootStrapMenu();
-    $translated_fields = $bootstrap_menu->getSubscriberFields();
+    $export_factory = new ImportExportFactory();
+    $translated_fields = $export_factory->getSubscriberFields();
     return array_map(function($field) use (
       $translated_fields, $subscriber_custom_fields
     ) {
diff --git a/lib/Subscribers/ImportExport/Import/Import.php b/lib/Subscribers/ImportExport/Import/Import.php
index bf9c86863b..2f63b060a8 100644
--- a/lib/Subscribers/ImportExport/Import/Import.php
+++ b/lib/Subscribers/ImportExport/Import/Import.php
@@ -1,11 +1,11 @@
 <?php
 namespace MailPoet\Subscribers\ImportExport\Import;
 
-use MailPoet\Models\NewsletterOption;
+use MailPoet\Models\Newsletter;
 use MailPoet\Models\Subscriber;
 use MailPoet\Models\SubscriberCustomField;
 use MailPoet\Models\SubscriberSegment;
-use MailPoet\Subscribers\ImportExport\BootStrapMenu;
+use MailPoet\Subscribers\ImportExport\ImportExportFactory;
 use MailPoet\Util\Helpers;
 
 class Import {
@@ -79,11 +79,11 @@ class Import {
         'errors' => array($e->getMessage())
       );
     }
-    $segments = new BootStrapMenu('import');
-    $segments = $segments->getSegments();
-    $segments_with_welcome_notification =
+    $import_factory = new ImportExportFactory('import');
+    $segments = $import_factory->getSegments();
+    $welcome_notifications_in_segments =
       ($created_subscribers || $updated_subscribers) ?
-        $this->getSegmentsWithWelcomeNotification($this->segments) :
+        Newsletter::getWelcomeNotificationsForSegments($this->segments) :
         false;
     return array(
       'result' => true,
@@ -91,8 +91,8 @@ class Import {
         'created' => count($created_subscribers),
         'updated' => count($updated_subscribers),
         'segments' => $segments,
-        'segments_with_welcome_notification' =>
-          ($segments_with_welcome_notification) ? true : false
+        'added_to_segment_with_welcome_notification' =>
+          ($welcome_notifications_in_segments) ? true : false
       ),
       'profiler' => $this->timeExecution()
     );
@@ -371,23 +371,4 @@ class Import {
     $profiler_end = microtime(true);
     return ($profiler_end - $this->profiler_start) / 60;
   }
-
-  function getSegmentsWithWelcomeNotification($segments_ids) {
-    return NewsletterOption::table_alias('options')
-      ->join(
-        MP_NEWSLETTERS_TABLE,
-        'newsletters.id = options.newsletter_id',
-        'newsletters'
-      )
-      ->join(
-        MP_NEWSLETTER_OPTION_FIELDS_TABLE,
-        'option_fields.id = options.option_field_id',
-        'option_fields'
-      )
-      ->whereNull('newsletters.deleted_at')
-      ->where('newsletters.type', 'welcome')
-      ->where('option_fields.name', 'segment')
-      ->whereIn('options.value', $segments_ids)
-      ->findMany();
-  }
 }
\ No newline at end of file
diff --git a/lib/Subscribers/ImportExport/BootStrapMenu.php b/lib/Subscribers/ImportExport/ImportExportFactory.php
similarity index 99%
rename from lib/Subscribers/ImportExport/BootStrapMenu.php
rename to lib/Subscribers/ImportExport/ImportExportFactory.php
index 170600cd0b..9c5f4c6fb1 100644
--- a/lib/Subscribers/ImportExport/BootStrapMenu.php
+++ b/lib/Subscribers/ImportExport/ImportExportFactory.php
@@ -5,7 +5,7 @@ use MailPoet\Models\CustomField;
 use MailPoet\Models\Segment;
 use MailPoet\Util\Helpers;
 
-class BootStrapMenu {
+class ImportExportFactory {
   public $action;
 
   function __construct($action = null) {
diff --git a/views/subscribers/importExport/export.html b/views/subscribers/importExport/export.html
index a6f0a5686d..3730a0c790 100644
--- a/views/subscribers/importExport/export.html
+++ b/views/subscribers/importExport/export.html
@@ -4,7 +4,7 @@
 <div id="mailpoet_subscribers_export" class="wrap">
   <h1 class="title">
     <%= __('Export') %>
-    <a class="page-title-action" href="?page=mailpoet-subscribers#/"><%= __('Back to list') %></a>
+    <a class="page-title-action" href="?page=mailpoet-subscribers#/"><%= __('Back to subscribers') %></a>
   </h1>
   <% if segments is empty %>
   <div class="notice">
diff --git a/views/subscribers/importExport/import/step1.html b/views/subscribers/importExport/import/step1.html
index 8f73ffbfc2..de692e0595 100644
--- a/views/subscribers/importExport/import/step1.html
+++ b/views/subscribers/importExport/import/step1.html
@@ -81,7 +81,7 @@
           </th>
           <td>
             <input type="text" id="mailchimp_key">
-            <button id="mailchimp_key_verify" class="button" disabled><%= __('Verify') %></button>
+            <button id="mailchimp_key_verify" class="button"><%= __('Verify') %></button>
             <span class="mailpoet_mailchimp-key-status"></span>
           </td>
         </tr>
diff --git a/views/subscribers/importExport/import/step2.html b/views/subscribers/importExport/import/step2.html
index 195f9d7070..7b3c0ea77c 100644
--- a/views/subscribers/importExport/import/step2.html
+++ b/views/subscribers/importExport/import/step2.html
@@ -4,7 +4,7 @@
   </div>
 
   <script id="subscribers_data_parse_results_template" type="text/x-handlebars-template">
-    <div class="notice">
+    <div class="error">
       <ul>
         <li>{{{notice}}}</li>
         <li><a class="mailpoet_subscribers_data_parse_results_details_show"
diff --git a/views/subscribers/importExport/import/step3.html b/views/subscribers/importExport/import/step3.html
index 1624222db3..a6038ea43e 100644
--- a/views/subscribers/importExport/import/step3.html
+++ b/views/subscribers/importExport/import/step3.html
@@ -1,5 +1,5 @@
 <div id="step3" class="mailpoet_hidden">
-  <div id="subscribers_data_import_results" class="updated notice mailpoet_hidden">
+  <div id="subscribers_data_import_results" class="updated mailpoet_hidden">
     <!-- Template data -->
   </div>
 
@@ -28,7 +28,7 @@
         {{#if no_action}}
         <li><%= __('No new subscribers were found/added.') %></li>
         {{/if}}
-        {{#if segments_with_welcome_notification}}
+        {{#if added_to_segment_with_welcome_notification}}
         <li><%= __('Important note: imported subscribers will not receive any welcome emails.') %></li>
         {{/if}}
       </ul>