diff --git a/app/assets/javascripts/discourse/models/category.js.es6 b/app/assets/javascripts/discourse/models/category.js.es6
index 6af4ff87509..52c3eb443c7 100644
--- a/app/assets/javascripts/discourse/models/category.js.es6
+++ b/app/assets/javascripts/discourse/models/category.js.es6
@@ -90,6 +90,7 @@ const Category = RestModel.extend({
         position: this.get('position'),
         email_in: this.get('email_in'),
         email_in_allow_strangers: this.get('email_in_allow_strangers'),
+        mailinglist_mirror: this.get('mailinglist_mirror'),
         parent_category_id: this.get('parent_category_id'),
         uploaded_logo_id: this.get('uploaded_logo.id'),
         uploaded_background_id: this.get('uploaded_background.id'),
diff --git a/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs b/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs
index 382b70361e8..fa7b2a5653e 100644
--- a/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs
+++ b/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs
@@ -119,6 +119,13 @@
       </label>
     </section>
 
+    <section class='field'>
+        <label>
+          {{input type="checkbox" checked=category.mailinglist_mirror}}
+          {{i18n 'category.mailinglist_mirror'}}
+        </label>
+    </section>
+
   {{plugin-outlet name="category-email-in" args=(hash category=category)}}
 {{/if}}
 
diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index d9ec6da97d2..56c49b9da9b 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -233,6 +233,7 @@ class CategoriesController < ApplicationController
                         :position,
                         :email_in,
                         :email_in_allow_strangers,
+                        :mailinglist_mirror,
                         :suppress_from_homepage,
                         :all_topics_wiki,
                         :parent_category_id,
diff --git a/app/models/category.rb b/app/models/category.rb
index 54f59af7226..35c550468a4 100644
--- a/app/models/category.rb
+++ b/app/models/category.rb
@@ -555,6 +555,7 @@ end
 #  default_view                  :string(50)
 #  subcategory_list_style        :string(50)       default("rows_with_featured_topics")
 #  default_top_period            :string(20)       default("all")
+#  mailinglist_mirror            :boolean          default(FALSE), not null
 #
 # Indexes
 #
diff --git a/app/serializers/category_serializer.rb b/app/serializers/category_serializer.rb
index dae914fc6dc..3c5f98a97bf 100644
--- a/app/serializers/category_serializer.rb
+++ b/app/serializers/category_serializer.rb
@@ -8,6 +8,7 @@ class CategorySerializer < BasicCategorySerializer
              :position,
              :email_in,
              :email_in_allow_strangers,
+             :mailinglist_mirror,
              :suppress_from_homepage,
              :all_topics_wiki,
              :can_delete,
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 64304dd1c06..3ddc814f7e9 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -2122,6 +2122,7 @@ en:
       email_in_allow_strangers: "Accept emails from anonymous users with no accounts"
       email_in_disabled: "Posting new topics via email is disabled in the Site Settings. To enable posting new topics via email, "
       email_in_disabled_click: 'enable the "email in" setting.'
+      mailinglist_mirror: "Category mirrors a mailinglist"
       suppress_from_homepage: "Suppress this category from the homepage."
       show_subcategory_list: "Show subcategory list above topics in this category."
       num_featured_topics: "Number of topics shown on the categories page:"
diff --git a/db/migrate/20171115170858_add_mailinglist_mirror_to_categories.rb b/db/migrate/20171115170858_add_mailinglist_mirror_to_categories.rb
new file mode 100644
index 00000000000..71555579d86
--- /dev/null
+++ b/db/migrate/20171115170858_add_mailinglist_mirror_to_categories.rb
@@ -0,0 +1,9 @@
+class AddMailinglistMirrorToCategories < ActiveRecord::Migration[5.1]
+  def up
+    add_column :categories, :mailinglist_mirror, :boolean, default: false, null: false
+  end
+
+  def down
+    remove_column :categories, :mailinglist_mirror
+  end
+end