diff --git a/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js b/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js
index b89bf31912..8cfa6fab8e 100644
--- a/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js
+++ b/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js
@@ -83,7 +83,7 @@ define([
         that.get('_container').get('blocks').reset(content, {parse: true});
         that.trigger('postsChanged');
       }).fail(function(error) {
-        MailPoet.Notice(MailPoetI18n.failedToFetchRenderedPosts);
+        MailPoet.Notice.error(App.getConfig().get('translations.failedToFetchRenderedPosts'));
       });
     },
     /**
diff --git a/assets/js/src/newsletter_editor/blocks/footer.js b/assets/js/src/newsletter_editor/blocks/footer.js
index d72a065bc1..52deaa5e60 100644
--- a/assets/js/src/newsletter_editor/blocks/footer.js
+++ b/assets/js/src/newsletter_editor/blocks/footer.js
@@ -79,7 +79,7 @@ define([
         },
 
         mailpoet_custom_fields: App.getConfig().get('customFields').toJSON(),
-        mailpoet_custom_fields_window_title: MailPoetI18n.customFieldsWindowTitle,
+        mailpoet_custom_fields_window_title: App.getConfig().get('translations.customFieldsWindowTitle'),
       });
     },
   });
diff --git a/assets/js/src/newsletter_editor/blocks/header.js b/assets/js/src/newsletter_editor/blocks/header.js
index 5d5b182184..7349a51f63 100644
--- a/assets/js/src/newsletter_editor/blocks/header.js
+++ b/assets/js/src/newsletter_editor/blocks/header.js
@@ -79,7 +79,7 @@ define([
         },
 
         mailpoet_custom_fields: App.getConfig().get('customFields').toJSON(),
-        mailpoet_custom_fields_window_title: MailPoetI18n.customFieldsWindowTitle,
+        mailpoet_custom_fields_window_title: App.getConfig().get('translations.customFieldsWindowTitle'),
       });
     },
   });
diff --git a/assets/js/src/newsletter_editor/blocks/posts.js b/assets/js/src/newsletter_editor/blocks/posts.js
index 491fd1cf20..acc806e5a3 100644
--- a/assets/js/src/newsletter_editor/blocks/posts.js
+++ b/assets/js/src/newsletter_editor/blocks/posts.js
@@ -101,7 +101,7 @@ define([
         that.get('_selectedPosts').reset(); // Empty out the collection
         that.trigger('change:_availablePosts');
       }).fail(function() {
-        MailPoet.Notice(MailPoetI18n.failedToFetchAvailablePosts);
+        MailPoet.Notice.error(App.getConfig().get('translations.failedToFetchAvailablePosts'));
       });
     },
     _refreshTransformedPosts: function() {
@@ -118,7 +118,7 @@ define([
       CommunicationComponent.getTransformedPosts(data).done(function(posts) {
         that.get('_transformedPosts').get('blocks').reset(posts, {parse: true});
       }).fail(function() {
-        MailPoet.Notice(MailPoetI18n.failedToFetchRenderedPosts);
+        MailPoet.Notice.error(App.getConfig().get('translations.failedToFetchRenderedPosts'));
       });
     },
     _insertSelectedPosts: function() {
@@ -134,7 +134,7 @@ define([
       CommunicationComponent.getTransformedPosts(data).done(function(posts) {
         collection.add(posts, { at: index });
       }).fail(function() {
-        MailPoet.Notice(MailPoetI18n.failedToFetchRenderedPosts);
+        MailPoet.Notice.error(App.getConfig().get('translations.failedToFetchRenderedPosts'));
       });
     },
   });
diff --git a/assets/js/src/newsletter_editor/blocks/text.js b/assets/js/src/newsletter_editor/blocks/text.js
index acdc99a73a..1d015c7cf3 100644
--- a/assets/js/src/newsletter_editor/blocks/text.js
+++ b/assets/js/src/newsletter_editor/blocks/text.js
@@ -77,7 +77,7 @@ define([
           },
 
           mailpoet_custom_fields: App.getConfig().get('customFields').toJSON(),
-          mailpoet_custom_fields_window_title: MailPoetI18n.customFieldsWindowTitle,
+          mailpoet_custom_fields_window_title: App.getConfig().get('translations.customFieldsWindowTitle'),
         });
       }
     },
diff --git a/assets/js/src/newsletter_editor/components/save.js b/assets/js/src/newsletter_editor/components/save.js
index c8cc76c05b..580b5a1f98 100644
--- a/assets/js/src/newsletter_editor/components/save.js
+++ b/assets/js/src/newsletter_editor/components/save.js
@@ -191,7 +191,7 @@ define([
 
       if (templateName === '') {
         MailPoet.Notice.error(
-          MailPoetI18n.templateNameMissing,
+          App.getConfig().get('translations.templateNameMissing'),
           {
             positionAfter: that.$el,
             scroll: true,
@@ -199,7 +199,7 @@ define([
         );
       } else if (templateDescription === '') {
         MailPoet.Notice.error(
-          MailPoetI18n.templateDescriptionMissing,
+          App.getConfig().get('translations.templateDescriptionMissing'),
           {
             positionAfter: that.$el,
             scroll: true,
@@ -211,7 +211,7 @@ define([
           description: templateDescription,
         }).done(function() {
           MailPoet.Notice.success(
-            MailPoetI18n.templateSaved,
+            App.getConfig().get('translations.templateSaved'),
             {
               positionAfter: that.$el,
               scroll: true,
@@ -219,7 +219,7 @@ define([
           );
         }).fail(function() {
           MailPoet.Notice.error(
-            MailPoetI18n.templateSaveFailed,
+            App.getConfig().get('translations.templateSaveFailed'),
             {
               positionAfter: that.$el,
               scroll: true,
@@ -244,7 +244,7 @@ define([
 
       if (templateName === '') {
         MailPoet.Notice.error(
-          MailPoetI18n.templateNameMissing,
+          App.getConfig().get('translations.templateNameMissing'),
           {
             positionAfter: that.$el,
             scroll: true,
@@ -252,7 +252,7 @@ define([
         );
       } else if (templateDescription === '') {
         MailPoet.Notice.error(
-          MailPoetI18n.templateDescriptionMissing,
+          App.getConfig().get('translations.templateDescriptionMissing'),
           {
             positionAfter: that.$el,
             scroll: true,
@@ -285,7 +285,7 @@ define([
 
       if (App.getConfig().get('validation.validateUnsubscribeLinkPresent') &&
           JSON.stringify(jsonObject).indexOf("[unsubscribeUrl]") < 0) {
-        this.showValidationError(MailPoetI18n.unsubscribeLinkMissing);
+        this.showValidationError(App.getConfig().get('translations.unsubscribeLinkMissing'));
         return;
       }
 
diff --git a/assets/js/src/newsletter_editor/components/sidebar.js b/assets/js/src/newsletter_editor/components/sidebar.js
index 186a17441e..85fff4fc40 100644
--- a/assets/js/src/newsletter_editor/components/sidebar.js
+++ b/assets/js/src/newsletter_editor/components/sidebar.js
@@ -1,13 +1,24 @@
 define([
     'newsletter_editor/App',
     'newsletter_editor/components/communication',
+    'mailpoet',
     'backbone',
     'backbone.marionette',
     'backbone.supermodel',
     'underscore',
     'jquery',
     'sticky-kit'
-  ], function(App, CommunicationComponent, Backbone, Marionette, SuperModel, _, jQuery, StickyKit) {
+  ], function(
+    App,
+    CommunicationComponent,
+    MailPoet,
+    Backbone,
+    Marionette,
+    SuperModel,
+    _,
+    jQuery,
+    StickyKit
+  ) {
 
   "use strict";
 
@@ -254,7 +265,7 @@ define([
 
       if (data.subscriber.length <= 0) {
         MailPoet.Notice.error(
-          MailPoetI18n.newsletterPreviewEmailMissing,
+          App.getConfig().get('translations.newsletterPreviewEmailMissing'),
           {
             positionAfter: $emailField,
             scroll: true,
@@ -268,7 +279,7 @@ define([
 
       CommunicationComponent.previewNewsletter(data).done(function(response) {
         if(response.result !== undefined && response.result === true) {
-          MailPoet.Notice.success(MailPoetI18n.newsletterPreviewSent, { scroll: true });
+          MailPoet.Notice.success(App.getConfig().get('translations.newsletterPreviewSent'), { scroll: true });
         } else {
           if (_.isArray(response.errors)) {
             response.errors.map(function(error) {
@@ -276,7 +287,7 @@ define([
             });
           } else {
             MailPoet.Notice.error(
-              MailPoetI18n.newsletterPreviewFailedToSend,
+              App.getConfig().get('translations.newsletterPreviewFailedToSend'),
               {
                 scroll: true,
                 static: true,
diff --git a/views/newsletter/editor.html b/views/newsletter/editor.html
index e6ccfcb1f2..af2d61a26a 100644
--- a/views/newsletter/editor.html
+++ b/views/newsletter/editor.html
@@ -1256,6 +1256,7 @@
       validation: {
         validateUnsubscribeLinkPresent: true, // TODO: Add validation based on whether Mailpoet MTA is used or not
       },
+      translations: MailPoetI18n,
       urls: {
         send: '<%= admin_url('admin.php?page=mailpoet-newsletters#/send/' ~ params('id')) %>',
         imageMissing: '<%= image_url(