diff --git a/assets/js/src/common/sender_email_address_warning.jsx b/assets/js/src/common/sender_email_address_warning.jsx
index 0c11a7d7cc..5b8d106525 100644
--- a/assets/js/src/common/sender_email_address_warning.jsx
+++ b/assets/js/src/common/sender_email_address_warning.jsx
@@ -3,58 +3,9 @@ import PropTypes from 'prop-types';
 import MailPoet from 'mailpoet';
 import ReactStringReplace from 'react-string-replace';
 
-/* https://github.com/mailcheck/mailcheck/wiki/List-of-Popular-Domains */
-const badDomains = [
-  /* Default domains included */
-  'aol.com', 'att.net', 'comcast.net', 'facebook.com', 'gmail.com', 'gmx.com', 'googlemail.com',
-  'google.com', 'hotmail.com', 'hotmail.co.uk', 'mac.com', 'me.com', 'mail.com', 'msn.com',
-  'live.com', 'sbcglobal.net', 'verizon.net', 'yahoo.com', 'yahoo.co.uk',
-
-  /* Other global domains */
-  'email.com', 'fastmail.fm', 'games.com' /* AOL */, 'gmx.net', 'hush.com', 'hushmail.com', 'icloud.com',
-  'iname.com', 'inbox.com', 'lavabit.com', 'love.com' /* AOL */, 'outlook.com', 'pobox.com', 'protonmail.com',
-  'rocketmail.com' /* Yahoo */, 'safe-mail.net', 'wow.com' /* AOL */, 'ygm.com' /* AOL */,
-  'ymail.com' /* Yahoo */, 'zoho.com', 'yandex.com',
-
-  /* United States ISP domains */
-  'bellsouth.net', 'charter.net', 'cox.net', 'earthlink.net', 'juno.com',
-
-  /* British ISP domains */
-  'btinternet.com', 'virginmedia.com', 'blueyonder.co.uk', 'freeserve.co.uk', 'live.co.uk',
-  'ntlworld.com', 'o2.co.uk', 'orange.net', 'sky.com', 'talktalk.co.uk', 'tiscali.co.uk',
-  'virgin.net', 'wanadoo.co.uk', 'bt.com',
-
-  /* Domains used in Asia */
-  'sina.com', 'sina.cn', 'qq.com', 'naver.com', 'hanmail.net', 'daum.net', 'nate.com', 'yahoo.co.jp', 'yahoo.co.kr', 'yahoo.co.id', 'yahoo.co.in', 'yahoo.com.sg', 'yahoo.com.ph', '163.com', '126.com', 'aliyun.com', 'foxmail.com',
-
-  /* French ISP domains */
-  'hotmail.fr', 'live.fr', 'laposte.net', 'yahoo.fr', 'wanadoo.fr', 'orange.fr', 'gmx.fr', 'sfr.fr', 'neuf.fr', 'free.fr',
-
-  /* German ISP domains */
-  'gmx.de', 'hotmail.de', 'live.de', 'online.de', 't-online.de' /* T-Mobile */, 'web.de', 'yahoo.de',
-
-  /* Italian ISP domains */
-  'libero.it', 'virgilio.it', 'hotmail.it', 'aol.it', 'tiscali.it', 'alice.it', 'live.it', 'yahoo.it', 'email.it', 'tin.it', 'poste.it', 'teletu.it',
-
-  /* Russian ISP domains */
-  'mail.ru', 'rambler.ru', 'yandex.ru', 'ya.ru', 'list.ru',
-
-  /* Belgian ISP domains */
-  'hotmail.be', 'live.be', 'skynet.be', 'voo.be', 'tvcablenet.be', 'telenet.be',
-
-  /* Argentinian ISP domains */
-  'hotmail.com.ar', 'live.com.ar', 'yahoo.com.ar', 'fibertel.com.ar', 'speedy.com.ar', 'arnet.com.ar',
-
-  /* Domains used in Mexico */
-  'yahoo.com.mx', 'live.com.mx', 'hotmail.es', 'hotmail.com.mx', 'prodigy.net.mx',
-
-  /* Domains used in Brazil */
-  'yahoo.com.br', 'hotmail.com.br', 'outlook.com.br', 'uol.com.br', 'bol.com.br', 'terra.com.br', 'ig.com.br', 'itelefonica.com.br', 'r7.com', 'zipmail.com.br', 'globo.com', 'globomail.com', 'oi.com.br',
-];
-
 const SenderEmailAddressWarning = ({ emailAddress }) => {
   const emailAddressDomain = emailAddress.split('@').pop().toLowerCase();
-  if (badDomains.indexOf(emailAddressDomain) > -1) {
+  if (window.mailpoet_free_domains.indexOf(emailAddressDomain) > -1) {
     const userHostDomain = window.location.hostname.replace('www.', '');
     return (
       <React.Fragment>
diff --git a/lib/Twig/Functions.php b/lib/Twig/Functions.php
index e524244d9b..d3c82604f3 100644
--- a/lib/Twig/Functions.php
+++ b/lib/Twig/Functions.php
@@ -5,6 +5,7 @@ namespace MailPoet\Twig;
 use Carbon\Carbon;
 use MailPoet\Config\ServicesChecker;
 use MailPoet\Settings\SettingsController;
+use MailPoet\Util\FreeDomains;
 use MailPoet\WP\Functions as WPFunctions;
 
 if (!defined('ABSPATH')) exit;
@@ -110,6 +111,11 @@ class Functions extends \Twig_Extension {
         array($this, 'getTwoLettersLocale'),
         array('is_safe' => array('all'))
       ),
+      new \Twig_SimpleFunction(
+        'mailpoet_free_domains',
+        array($this, 'getFreeDomains'),
+        array('is_safe' => array('all'))
+      ),
     );
   }
 
@@ -199,4 +205,8 @@ class Functions extends \Twig_Extension {
   function getTwoLettersLocale() {
     return explode('_', WPFunctions::get()->getLocale())[0];
   }
+
+  function getFreeDomains() {
+    return FreeDomains::FREE_DOMAINS;
+  }
 }
diff --git a/views/layout.html b/views/layout.html
index d4f03de8c8..126a18696d 100644
--- a/views/layout.html
+++ b/views/layout.html
@@ -53,6 +53,7 @@ jQuery('.toplevel_page_mailpoet-newsletters.menu-top-last')
   var mailpoet_analytics_data = <%= json_encode(get_analytics_data()) %>;
   var mailpoet_analytics_public_id = <%= json_encode(get_analytics_public_id()) %>;
   var mailpoet_analytics_new_public_id = <%= is_analytics_public_id_new() | json_encode %>;
+  var mailpoet_free_domains = <%= json_encode(mailpoet_free_domains()) %>;
   // RFC 5322 standard; http://emailregex.com/ combined with https://google.github.io/closure-library/api/goog.format.EmailAddress.html#isValid
   var mailpoet_email_regex = /(?=^[+a-zA-Z0-9_.!#$%&'*\/=?^`{|}~-]+@([a-zA-Z0-9-]+\.)+[a-zA-Z0-9]{2,63}$)(?=^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,})))/;
 </script>