diff --git a/app/assets/javascripts/admin/controllers/admin-email-preview-digest.js.es6 b/app/assets/javascripts/admin/controllers/admin-email-preview-digest.js.es6
index 8065d732fcc..eb03301c92d 100644
--- a/app/assets/javascripts/admin/controllers/admin-email-preview-digest.js.es6
+++ b/app/assets/javascripts/admin/controllers/admin-email-preview-digest.js.es6
@@ -2,11 +2,13 @@ import EmailPreview from 'admin/models/email-preview';
 import { popupAjaxError } from 'discourse/lib/ajax-error';
 
 export default Ember.Controller.extend({
+  username: null,
+  lastSeen: null,
 
-  emailEmpty: Em.computed.empty('email'),
-  sendEmailDisabled: Em.computed.or('emailEmpty', 'sendingEmail'),
-  showSendEmailForm: Em.computed.notEmpty('model.html_content'),
-  htmlEmpty: Em.computed.empty('model.html_content'),
+  emailEmpty: Ember.computed.empty('email'),
+  sendEmailDisabled: Ember.computed.or('emailEmpty', 'sendingEmail'),
+  showSendEmailForm: Ember.computed.notEmpty('model.html_content'),
+  htmlEmpty: Ember.computed.empty('model.html_content'),
 
   actions: {
     refresh() {
@@ -14,7 +16,14 @@ export default Ember.Controller.extend({
 
       this.set('loading', true);
       this.set('sentEmail', false);
-      EmailPreview.findDigest(this.get('lastSeen'), this.get('username')).then(email => {
+
+      let username = this.get('username');
+      if (!username) {
+        username = this.currentUser.get('username');
+        this.set('username', username);
+      }
+
+      EmailPreview.findDigest(username, this.get('lastSeen')).then(email => {
         model.setProperties(email.getProperties('html_content', 'text_content'));
         this.set('loading', false);
       });
@@ -28,16 +37,14 @@ export default Ember.Controller.extend({
       this.set('sendingEmail', true);
       this.set('sentEmail', false);
 
-      const self = this;
-
-      EmailPreview.sendDigest(this.get('lastSeen'), this.get('username'), this.get('email')).then(result => {
+      EmailPreview.sendDigest(this.get('username'), this.get('lastSeen'), this.get('email')).then(result => {
         if (result.errors) {
           bootbox.alert(result.errors);
         } else {
-          self.set('sentEmail', true);
+          this.set('sentEmail', true);
         }
-      }).catch(popupAjaxError).finally(function() {
-        self.set('sendingEmail', false);
+      }).catch(popupAjaxError).finally(() => {
+        this.set('sendingEmail', false);
       });
     }
   }
diff --git a/app/assets/javascripts/admin/models/email-preview.js.es6 b/app/assets/javascripts/admin/models/email-preview.js.es6
index acc7462b925..2aaca02d1e7 100644
--- a/app/assets/javascripts/admin/models/email-preview.js.es6
+++ b/app/assets/javascripts/admin/models/email-preview.js.es6
@@ -1,42 +1,24 @@
 import { ajax } from 'discourse/lib/ajax';
 const EmailPreview = Discourse.Model.extend({});
 
+export function oneWeekAgo() {
+  return moment().locale('en').subtract(7, 'days').format('YYYY-MM-DD');
+}
+
 EmailPreview.reopenClass({
-  findDigest: function(lastSeenAt, username) {
-
-    if (Em.isEmpty(lastSeenAt)) {
-      lastSeenAt = this.oneWeekAgo();
-    }
-
-    if (Em.isEmpty(username)) {
-      username = Discourse.User.current().username;
-    }
 
+  findDigest(username, lastSeenAt) {
     return ajax("/admin/email/preview-digest.json", {
-      data: { last_seen_at: lastSeenAt, username: username }
-    }).then(function (result) {
-      return EmailPreview.create(result);
-    });
+      data: { last_seen_at: lastSeenAt || oneWeekAgo(), username }
+    }).then(result => EmailPreview.create(result));
   },
 
-  sendDigest: function(lastSeenAt, username, email) {
-    if (Em.isEmpty(lastSeenAt)) {
-      lastSeenAt = this.oneWeekAgo();
-    }
-
-    if (Em.isEmpty(username)) {
-      username = Discourse.User.current().username;
-    }
-
+  sendDigest(username, lastSeenAt, email) {
     return ajax("/admin/email/send-digest.json", {
-      data: { last_seen_at: lastSeenAt, username: username, email: email }
+      data: { last_seen_at: lastSeenAt || oneWeekAgo(), username, email }
     });
   },
 
-  oneWeekAgo() {
-    const en = moment().locale('en');
-    return en.subtract(7, 'days').format('YYYY-MM-DD');
-  }
 });
 
 export default EmailPreview;
diff --git a/app/assets/javascripts/admin/routes/admin-email-preview-digest.js.es6 b/app/assets/javascripts/admin/routes/admin-email-preview-digest.js.es6
index 7ca2f727722..0ee7b697554 100644
--- a/app/assets/javascripts/admin/routes/admin-email-preview-digest.js.es6
+++ b/app/assets/javascripts/admin/routes/admin-email-preview-digest.js.es6
@@ -1,16 +1,17 @@
-import EmailPreview from 'admin/models/email-preview';
+import { default as EmailPreview, oneWeekAgo } from 'admin/models/email-preview';
 
 export default Discourse.Route.extend({
 
   model() {
-    return EmailPreview.findDigest();
+    return EmailPreview.findDigest(this.currentUser.get('username'));
   },
 
   afterModel(model) {
     const controller = this.controllerFor('adminEmailPreviewDigest');
     controller.setProperties({
-      model: model,
-      lastSeen: moment().subtract(7, 'days').format('YYYY-MM-DD'),
+      model,
+      username: this.currentUser.get('username'),
+      lastSeen: oneWeekAgo(),
       showHtml: true
     });
   }
diff --git a/app/assets/javascripts/admin/templates/email-preview-digest.hbs b/app/assets/javascripts/admin/templates/email-preview-digest.hbs
index 7f31c6e9bf2..87372268c74 100644
--- a/app/assets/javascripts/admin/templates/email-preview-digest.hbs
+++ b/app/assets/javascripts/admin/templates/email-preview-digest.hbs
@@ -1,11 +1,11 @@
 <p>{{i18n 'admin.email.preview_digest_desc'}}</p>
 
-<div class='admin-controls'>
+<div class='admin-controls email-preview'>
   <div class='span7 controls'>
     <label for='last-seen'>{{i18n 'admin.email.last_seen_user'}}</label>
     {{date-picker-past value=lastSeen id="last-seen"}}
     <label>{{i18n 'admin.email.user'}}:</label>
-    {{user-selector single="true" usernames=username}}
+    {{user-selector single="true" usernames=username canReceiveUpdates="true"}}
     <button class='btn' {{action "refresh"}}>{{i18n 'admin.email.refresh'}}</button>
     <div class="toggle">
       <label>{{i18n 'admin.email.format'}}</label>
diff --git a/app/assets/javascripts/discourse/components/date-picker.js.es6 b/app/assets/javascripts/discourse/components/date-picker.js.es6
index d2667dd8637..709e1e51497 100644
--- a/app/assets/javascripts/discourse/components/date-picker.js.es6
+++ b/app/assets/javascripts/discourse/components/date-picker.js.es6
@@ -2,7 +2,7 @@
 import loadScript from "discourse/lib/load-script";
 import { default as computed, on } from "ember-addons/ember-computed-decorators";
 
-export default Em.Component.extend({
+export default Ember.Component.extend({
   classNames: ["date-picker-wrapper"],
   _picker: null,
 
diff --git a/app/assets/javascripts/discourse/templates/components/date-picker.hbs b/app/assets/javascripts/discourse/templates/components/date-picker.hbs
index d49379d954b..6e6054c2ad1 100644
--- a/app/assets/javascripts/discourse/templates/components/date-picker.hbs
+++ b/app/assets/javascripts/discourse/templates/components/date-picker.hbs
@@ -1 +1 @@
-{{input type="text" class="date-picker" placeholder=placeholder}}
+{{input type="text" class="date-picker" placeholder=placeholder value=value}}
diff --git a/app/assets/stylesheets/common/admin/admin_base.scss b/app/assets/stylesheets/common/admin/admin_base.scss
index a25115a6912..de075cb545a 100644
--- a/app/assets/stylesheets/common/admin/admin_base.scss
+++ b/app/assets/stylesheets/common/admin/admin_base.scss
@@ -316,6 +316,17 @@ td.flaggers td {
   }
 }
 
+.email-preview {
+  .ac-wrap {
+    .item {
+      margin: 0.2em 0 0 0.4em;
+    }
+    // input[type=text] {
+    //   margin-left: 0.4em;
+    // }
+  }
+}
+
 .paste-users {
   width: 400px;
   height: 150px;
@@ -1471,7 +1482,7 @@ and (max-width : 500px) {
   div.ac-wrap {
     width: 100% !important;
     box-sizing: border-box;
-    }
+  }
 
   .admin-container {
     h2 {