diff --git a/app/controllers/admin/domain_blocks_controller.rb b/app/controllers/admin/domain_blocks_controller.rb
index c91b9b71634298..edacbd5adc14fa 100644
--- a/app/controllers/admin/domain_blocks_controller.rb
+++ b/app/controllers/admin/domain_blocks_controller.rb
@@ -89,17 +89,17 @@ def set_domain_block
 
     def update_params
       params.require(:domain_block).permit(:severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_send_not_public_searchability, :reject_send_public_unlisted, :reject_send_dissubscribable, :reject_send_media, :reject_send_sensitive, :reject_hashtag,
-                                           :reject_straight_follow, :reject_new_follow, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
+                                           :reject_straight_follow, :reject_new_follow, :reject_friend, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
     end
 
     def resource_params
       params.require(:domain_block).permit(:domain, :severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_send_not_public_searchability, :reject_send_public_unlisted, :reject_send_dissubscribable, :reject_send_media, :reject_send_sensitive, :reject_hashtag,
-                                           :reject_straight_follow, :reject_new_follow, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
+                                           :reject_straight_follow, :reject_new_follow, :reject_friend, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
     end
 
     def form_domain_block_batch_params
       params.require(:form_domain_block_batch).permit(domain_blocks_attributes: [:enabled, :domain, :severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_send_not_public_searchability, :reject_send_public_unlisted, :reject_send_dissubscribable, :reject_send_media,
-                                                                                 :reject_send_sensitive, :reject_hashtag, :reject_straight_follow, :reject_new_follow, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous])
+                                                                                 :reject_send_sensitive, :reject_hashtag, :reject_straight_follow, :reject_new_follow, :reject_friend, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous])
     end
 
     def action_from_button
diff --git a/app/controllers/api/v1/admin/domain_blocks_controller.rb b/app/controllers/api/v1/admin/domain_blocks_controller.rb
index bd0660dbaaa153..e157ed1e1fc965 100644
--- a/app/controllers/api/v1/admin/domain_blocks_controller.rb
+++ b/app/controllers/api/v1/admin/domain_blocks_controller.rb
@@ -70,7 +70,7 @@ def filtered_domain_blocks
 
   def domain_block_params
     params.permit(:severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_reports, :reject_send_not_public_searchability, :reject_send_public_unlisted, :reject_send_dissubscribable, :reject_send_media, :reject_send_sensitive, :reject_hashtag, :reject_straight_follow,
-                  :reject_new_follow, :detect_invalid_subscription, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
+                  :reject_new_follow, :reject_friend, :detect_invalid_subscription, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
   end
 
   def insert_pagination_headers
@@ -103,6 +103,6 @@ def pagination_params(core_params)
 
   def resource_params
     params.permit(:domain, :severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_send_not_public_searchability, :reject_send_public_unlisted, :reject_send_dissubscribable, :reject_send_media, :reject_send_sensitive, :reject_hashtag, :reject_straight_follow,
-                  :reject_new_follow, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
+                  :reject_new_follow, :reject_friend, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden, :hidden_anonymous)
   end
 end
diff --git a/app/lib/activitypub/activity/follow.rb b/app/lib/activitypub/activity/follow.rb
index b578f8fa1d4416..d02e9c01c6fd85 100644
--- a/app/lib/activitypub/activity/follow.rb
+++ b/app/lib/activitypub/activity/follow.rb
@@ -55,8 +55,12 @@ def request_follow_for_friend
       @friend = FriendDomain.create!(domain: @account.domain, passive_state: :pending, passive_follow_activity_id: @json['id'])
     end
 
-    # Send acception at after_commit of models/friend_domain.rb when unlocked is true
-    friend.accept! if already_accepted
+    if already_accepted || friend.unlocked || Setting.unlocked_friend
+      friend.accept!
+    else
+      # Notify for admin even if unlocked
+      notify_staff_about_pending_friend_server!
+    end
   end
 
   def friend
@@ -101,4 +105,12 @@ def proxyable_software?
   def instance_info
     @instance_info ||= InstanceInfo.find_by(domain: @account.domain)
   end
+
+  def notify_staff_about_pending_friend_server!
+    User.those_who_can(:manage_federation).includes(:account).find_each do |u|
+      next unless u.allows_pending_friend_server_emails?
+
+      AdminMailer.with(recipient: u.account).new_pending_friend_server(friend).deliver_later
+    end
+  end
 end
diff --git a/app/mailers/admin_mailer.rb b/app/mailers/admin_mailer.rb
index 990b92c3377d2e..11262144be0576 100644
--- a/app/mailers/admin_mailer.rb
+++ b/app/mailers/admin_mailer.rb
@@ -35,6 +35,14 @@ def new_pending_account(user)
     end
   end
 
+  def new_pending_friend_server(friend_server)
+    @friend = friend_server
+
+    locale_for_account(@me) do
+      mail subject: default_i18n_subject(instance: @instance, domain: @friend.domain)
+    end
+  end
+
   def new_trends(links, tags, statuses)
     @links                  = links
     @tags                   = tags
diff --git a/app/models/concerns/has_user_settings.rb b/app/models/concerns/has_user_settings.rb
index ed5a5f429f29a7..820c41360d4efc 100644
--- a/app/models/concerns/has_user_settings.rb
+++ b/app/models/concerns/has_user_settings.rb
@@ -263,6 +263,10 @@ def allows_pending_account_emails?
     settings['notification_emails.pending_account']
   end
 
+  def allows_pending_friend_server_emails?
+    settings['notification_emails.pending_friend_server']
+  end
+
   def allows_appeal_emails?
     settings['notification_emails.appeal']
   end
diff --git a/app/models/form/admin_settings.rb b/app/models/form/admin_settings.rb
index a2de73bd14b695..681b13814aa73d 100644
--- a/app/models/form/admin_settings.rb
+++ b/app/models/form/admin_settings.rb
@@ -48,6 +48,7 @@ class Form::AdminSettings
     enable_emoji_reaction
     check_lts_version_only
     enable_public_unlisted_visibility
+    unlocked_friend
   ).freeze
 
   INTEGER_KEYS = %i(
@@ -76,6 +77,7 @@ class Form::AdminSettings
     enable_emoji_reaction
     check_lts_version_only
     enable_public_unlisted_visibility
+    unlocked_friend
   ).freeze
 
   UPLOAD_KEYS = %i(
diff --git a/app/models/friend_domain.rb b/app/models/friend_domain.rb
index e2c467c72be2c2..a3beb9b3574675 100644
--- a/app/models/friend_domain.rb
+++ b/app/models/friend_domain.rb
@@ -35,7 +35,6 @@ class FriendDomain < ApplicationRecord
 
   before_destroy :ensure_disabled
   after_commit :set_default_inbox_url
-  after_commit :auto_accept_when_unlocked
 
   def mutual?
     i_am_accepted? && they_are_accepted?
@@ -161,8 +160,4 @@ def ensure_disabled
   def set_default_inbox_url
     self.inbox_url = default_inbox_url if inbox_url.blank?
   end
-
-  def auto_accept_when_unlocked
-    accept! if unlocked && they_are_pending?
-  end
 end
diff --git a/app/models/user_settings.rb b/app/models/user_settings.rb
index 8518e2abf224a7..4bf64e338bbe01 100644
--- a/app/models/user_settings.rb
+++ b/app/models/user_settings.rb
@@ -80,6 +80,7 @@ class KeyError < Error; end
     setting :follow_request, default: true
     setting :report, default: true
     setting :pending_account, default: true
+    setting :pending_friend_server, default: true
     setting :trends, default: true
     setting :appeal, default: true
     setting :software_updates, default: 'critical', in: %w(none critical patch all)
diff --git a/app/views/admin/domain_blocks/edit.html.haml b/app/views/admin/domain_blocks/edit.html.haml
index 8a064415080510..cf83d383e9fcee 100644
--- a/app/views/admin/domain_blocks/edit.html.haml
+++ b/app/views/admin/domain_blocks/edit.html.haml
@@ -47,6 +47,9 @@
   .fields-group
     = f.input :reject_new_follow, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_new_follow'), hint: I18n.t('admin.domain_blocks.reject_new_follow_hint')
 
+  .fields-group
+    = f.input :reject_friend, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_friend'), hint: I18n.t('admin.domain_blocks.reject_friend_hint')
+
   .fields-group
     = f.input :detect_invalid_subscription, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.detect_invalid_subscription'), hint: I18n.t('admin.domain_blocks.detect_invalid_subscription_hint')
 
diff --git a/app/views/admin/domain_blocks/new.html.haml b/app/views/admin/domain_blocks/new.html.haml
index 606a784e127eda..ed5142934fd675 100644
--- a/app/views/admin/domain_blocks/new.html.haml
+++ b/app/views/admin/domain_blocks/new.html.haml
@@ -47,6 +47,9 @@
   .fields-group
     = f.input :reject_new_follow, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_new_follow'), hint: I18n.t('admin.domain_blocks.reject_new_follow_hint')
 
+  .fields-group
+    = f.input :reject_friend, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_friend'), hint: I18n.t('admin.domain_blocks.reject_friend_hint')
+
   .fields-group
     = f.input :detect_invalid_subscription, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.detect_invalid_subscription'), hint: I18n.t('admin.domain_blocks.detect_invalid_subscription_hint')
 
diff --git a/app/views/admin/settings/discovery/show.html.haml b/app/views/admin/settings/discovery/show.html.haml
index ee7d72ad320e9c..bedafdb49943a8 100644
--- a/app/views/admin/settings/discovery/show.html.haml
+++ b/app/views/admin/settings/discovery/show.html.haml
@@ -45,6 +45,11 @@
   .fields-group
     = f.input :enable_public_unlisted_visibility, as: :boolean, wrapper: :with_label, kmyblue: true, hint: false
 
+  %h4= t('admin.settings.discovery.friend_servers')
+
+  .fields-group
+    = f.input :unlocked_friend, as: :boolean, wrapper: :with_label, kmyblue: true, hint: false
+
   %h4= t('admin.settings.discovery.publish_statistics')
 
   .fields-group
diff --git a/app/views/admin_mailer/new_pending_friend_server.text.erb b/app/views/admin_mailer/new_pending_friend_server.text.erb
new file mode 100644
index 00000000000000..89c9ec1b09ccd5
--- /dev/null
+++ b/app/views/admin_mailer/new_pending_friend_server.text.erb
@@ -0,0 +1,5 @@
+<%= raw t('application_mailer.salutation', name: display_name(@me)) %>
+
+<%= raw t('admin_mailer.new_pending_friend_server.body', domain: @friend.domain) %>
+
+<%= raw t('application_mailer.view')%> <%= admin_friend_servers_url %>
diff --git a/app/views/settings/preferences/notifications/show.html.haml b/app/views/settings/preferences/notifications/show.html.haml
index 06af9c136059f8..0f29221edec39e 100644
--- a/app/views/settings/preferences/notifications/show.html.haml
+++ b/app/views/settings/preferences/notifications/show.html.haml
@@ -22,13 +22,14 @@
     .fields-group
       = ff.input :always_send_emails, wrapper: :with_label, label: I18n.t('simple_form.labels.defaults.setting_always_send_emails'), hint: I18n.t('simple_form.hints.defaults.setting_always_send_emails')
 
-    - if current_user.can?(:manage_reports, :manage_appeals, :manage_users, :manage_taxonomies) || (SoftwareUpdate.check_enabled? && current_user.can?(:view_devops))
+    - if current_user.can?(:manage_reports, :manage_appeals, :manage_users, :manage_taxonomies, :manage_federation) || (SoftwareUpdate.check_enabled? && current_user.can?(:view_devops))
       %h4= t 'notifications.administration_emails'
 
       .fields-group
         = ff.input :'notification_emails.report', wrapper: :with_label, label: I18n.t('simple_form.labels.notification_emails.report') if current_user.can?(:manage_reports)
         = ff.input :'notification_emails.appeal', as: :boolean, wrapper: :with_label, label: I18n.t('simple_form.labels.notification_emails.appeal') if current_user.can?(:manage_appeals)
         = ff.input :'notification_emails.pending_account', wrapper: :with_label, label: I18n.t('simple_form.labels.notification_emails.pending_account') if current_user.can?(:manage_users)
+        = ff.input :'notification_emails.pending_friend_server', as: :boolean, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.notification_emails.pending_friend_server') if current_user.can?(:manage_federation)
         = ff.input :'notification_emails.trends', wrapper: :with_label, label: I18n.t('simple_form.labels.notification_emails.trending_tag') if current_user.can?(:manage_taxonomies)
 
       - if SoftwareUpdate.check_enabled? && current_user.can?(:view_devops)
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 8633f4dfc03097..0b197616404398 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -426,6 +426,8 @@ en:
       public_comment_hint: Comment about this domain limitation for the general public, if advertising the list of domain limitations is enabled.
       reject_favourite: Reject favorites
       reject_favourite_hint: Reject favorites or emoji-reaction in the future
+      reject_friend: Reject friend server applications
+      reject_friend_hint: Reject friend server application in the future
       reject_hashtag: Reject hashtags
       reject_hashtag_hint: Reject hashtags in the future
       reject_media: Reject media files
@@ -520,6 +522,7 @@ en:
         limited_federation_mode_description_html: You can chose whether to allow federation with this domain.
         policies:
           reject_favourite: Reject favorite
+          reject_friend: Reject friend server application
           reject_hashtag: Reject hashtags
           reject_media: Reject media
           reject_new_follow: Reject follows
@@ -810,6 +813,7 @@ en:
       discovery:
         emoji_reactions: Stamp
         follow_recommendations: Follow recommendations
+        friend_servers: Friend servers
         preamble: Surfacing interesting content is instrumental in onboarding new users who may not know anyone Mastodon. Control how various discovery features work on your server.
         profile_directory: Profile directory
         public_timelines: Public timelines
@@ -1050,6 +1054,9 @@ en:
     new_pending_account:
       body: The details of the new account are below. You can approve or reject this application.
       subject: New account up for review on %{instance} (%{username})
+    new_pending_friend_server:
+      body: The new friend server %{domain} is waiting for your review. You can approve or reject this application.
+      subject: New friend server up for review on %{instance} (%{domain})
     new_report:
       body: "%{reporter} has reported %{target}"
       body_remote: Someone from %{domain} has reported %{target}
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 87de99e51528f8..e38f2d1b4cfb8f 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -422,6 +422,8 @@ ja:
       public_comment_hint: ドメインブロックの公開を有効にしている場合、このコメントも公開されます。
       reject_favourite: お気に入り、スタンプを拒否
       reject_favourite_hint: 今後のお気に入り、スタンプを拒否します。停止とは無関係です
+      reject_friend: フレンドサーバー申請を拒否
+      reject_friend_hint: 今後のフレンドサーバー申請を全て拒否します。停止とは無関係です
       reject_hashtag: ハッシュタグを拒否
       reject_hashtag_hint: ハッシュタグで検索できなくなり、トレンドにも影響しなくなります。停止とは無関係です
       reject_media: メディアファイルを拒否
@@ -514,6 +516,7 @@ ja:
         policies:
           detect_invalid_subscription: 購読のプライバシーなし
           reject_favourite: お気に入りを拒否
+          reject_friend: フレンドサーバー申請を拒否
           reject_hashtag: ハッシュタグを拒否
           reject_media: メディアを拒否する
           reject_new_follow: 新規フォローを拒否
@@ -807,6 +810,7 @@ ja:
       discovery:
         emoji_reactions: スタンプ
         follow_recommendations: おすすめフォロー
+        friend_servers: フレンドサーバー
         preamble: Mastodon を知らないユーザーを取り込むには、興味深いコンテンツを浮上させることが重要です。サーバー上で様々なディスカバリー機能がどのように機能するかを制御します。
         profile_directory: ディレクトリ
         public_timelines: 公開タイムライン
@@ -1043,6 +1047,9 @@ ja:
     new_pending_account:
       body: 新しいアカウントの詳細は以下の通りです。この申請を承認または却下することができます。
       subject: '%{instance}で新しいアカウント (%{username}) が承認待ちです'
+    new_pending_friend_server:
+      body: 新しいフレンドサーバー %{domain} の申請が届いています。この申請を承認または却下することができます。
+      subject: '%{instance}で新しいフレンドサーバー (%{domain}) が承認待ちです'
     new_report:
       body: "%{reporter}さんが%{target}さんを通報しました"
       body_remote: "%{domain}の誰かが%{target}さんを通報しました"
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index c37a6de56abf54..2b777aaa2b00c7 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -354,6 +354,7 @@ en:
         trendable_by_default: Allow trends without prior review
         trends: Enable trends
         trends_as_landing_page: Use trends as the landing page
+        unlocked_friend: Accept all friend server follows automatically
       interactions:
         must_be_follower: Block notifications from non-followers
         must_be_following: Block notifications from people you don't follow
@@ -378,6 +379,7 @@ en:
         follow_request: Someone requested to follow you
         mention: Someone mentioned you
         pending_account: New account needs review
+        pending_friend_server: New friend server needs review
         reblog: Someone boosted your post
         report: New report is submitted
         software_updates:
diff --git a/config/locales/simple_form.ja.yml b/config/locales/simple_form.ja.yml
index 3904f757518bf6..41057cbed1b052 100644
--- a/config/locales/simple_form.ja.yml
+++ b/config/locales/simple_form.ja.yml
@@ -369,6 +369,7 @@ ja:
         trendable_by_default: 審査前のトレンドの掲載を許可する
         trends: トレンドを有効にする
         trends_as_landing_page: 新規登録画面にトレンドを表示する
+        unlocked_friend: 全てのフレンドサーバー申請を自動承認する
       interactions:
         must_be_follower: フォロワー以外からの通知をブロック
         must_be_following: フォローしていないユーザーからの通知をブロック
@@ -393,6 +394,7 @@ ja:
         follow_request: フォローリクエストを受けた時
         mention: 返信が来た時
         pending_account: 新しいアカウントの承認が必要な時
+        pending_friend_server: 新しいフレンドサーバーの承認が必要な時
         reblog: 投稿がブーストされた時
         report: 新しい通報が送信された時
         software_updates:
diff --git a/config/navigation.rb b/config/navigation.rb
index e9552f4f7a6c64..25bc5ecd435b6d 100644
--- a/config/navigation.rb
+++ b/config/navigation.rb
@@ -66,6 +66,7 @@
       s.item :custom_emojis, safe_join([fa_icon('smile-o fw'), t('admin.custom_emojis.title')]), admin_custom_emojis_path, highlights_on: %r{/admin/custom_emojis}, if: -> { current_user.can?(:manage_custom_emojis) }
       s.item :webhooks, safe_join([fa_icon('inbox fw'), t('admin.webhooks.title')]), admin_webhooks_path, highlights_on: %r{/admin/webhooks}, if: -> { current_user.can?(:manage_webhooks) }
       s.item :relays, safe_join([fa_icon('exchange fw'), t('admin.relays.title')]), admin_relays_path, highlights_on: %r{/admin/relays}, if: -> { !limited_federation_mode? && current_user.can?(:manage_federation) }
+      s.item :friend_servers, safe_join([fa_icon('users fw'), t('admin.friend_servers.title')]), admin_friend_servers_path, highlights_on: %r{/admin/friend_servers}, if: -> { current_user.can?(:manage_federation) }
     end
 
     n.item :sidekiq, safe_join([fa_icon('diamond fw'), 'Sidekiq']), sidekiq_path, link_html: { target: 'sidekiq' }, if: -> { current_user.can?(:view_devops) }
diff --git a/config/settings.yml b/config/settings.yml
index c0b5f4109bd6aa..1fb106e680a2e9 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -43,6 +43,7 @@ defaults: &defaults
   enable_emoji_reaction: true
   check_lts_version_only: true
   enable_public_unlisted_visibility: true
+  unlocked_friend: false
 
 development:
   <<: *defaults
diff --git a/lib/tasks/tests.rake b/lib/tasks/tests.rake
index 7f8e72dd8f43b9..980823731e9e1f 100644
--- a/lib/tasks/tests.rake
+++ b/lib/tasks/tests.rake
@@ -136,7 +136,7 @@ namespace :tests do
         INSERT INTO "settings"
           (id, thing_type, thing_id, var, value, created_at, updated_at)
         VALUES
-          (3, 'User', 1, 'notification_emails', E'--- !ruby/hash:ActiveSupport::HashWithIndifferentAccess\nfollow: false\nreblog: true\nfavourite: true\nmention: false\nfollow_request: true\ndigest: true\nreport: true\npending_account: false\ntrending_tag: true\nappeal: true\n', now(), now()),
+          (3, 'User', 1, 'notification_emails', E'--- !ruby/hash:ActiveSupport::HashWithIndifferentAccess\nfollow: false\nreblog: true\nfavourite: true\nmention: false\nfollow_request: true\ndigest: true\nreport: true\npending_account: false\npending_friend_server: true\ntrending_tag: true\nappeal: true\n', now(), now()),
           (4, 'User', 1, 'trends', E'--- false\n', now(), now());
 
         INSERT INTO "accounts"
diff --git a/spec/lib/activitypub/activity/follow_spec.rb b/spec/lib/activitypub/activity/follow_spec.rb
index c6350d62488171..a69fa9b5634995 100644
--- a/spec/lib/activitypub/activity/follow_spec.rb
+++ b/spec/lib/activitypub/activity/follow_spec.rb
@@ -308,6 +308,8 @@
 
     let(:sender) { Fabricate(:account, domain: 'abc.com', url: 'https://abc.com/#actor') }
     let!(:friend) { Fabricate(:friend_domain, domain: 'abc.com', passive_state: :idle) }
+    let!(:owner_user) { Fabricate(:user, role: UserRole.find_by(name: 'Owner')) }
+    let!(:patch_user) { Fabricate(:user, role: Fabricate(:user_role, name: 'OhagiOps', permissions: UserRole::FLAGS[:manage_federation])) }
 
     let(:json) do
       {
@@ -340,6 +342,24 @@
       end
     end
 
+    context 'with sending email' do
+      around do |example|
+        queue_adapter = ActiveJob::Base.queue_adapter
+        ActiveJob::Base.queue_adapter = :test
+
+        example.run
+
+        ActiveJob::Base.queue_adapter = queue_adapter
+      end
+
+      it 'perform' do
+        expect { subject.perform }.to have_enqueued_mail(AdminMailer, :new_pending_friend_server)
+          .with(hash_including(params: { recipient: owner_user.account })).once
+          .and(have_enqueued_mail(AdminMailer, :new_pending_friend_server).with(hash_including(params: { recipient: patch_user.account })).once)
+          .and(have_enqueued_mail.at_most(2))
+      end
+    end
+
     context 'when after rejected' do
       before do
         friend.update(passive_state: :rejected)
@@ -372,6 +392,26 @@
       end
     end
 
+    context 'when unlocked on admin settings' do
+      before do
+        Form::AdminSettings.new(unlocked_friend: '1').save
+        stub_request(:post, 'https://example.com/inbox')
+      end
+
+      it 'marks the friend as accepted' do
+        subject.perform
+
+        friend = FriendDomain.find_by(domain: 'abc.com')
+        expect(friend).to_not be_nil
+        expect(friend.they_are_accepted?).to be true
+        expect(a_request(:post, 'https://example.com/inbox').with(body: hash_including({
+          id: 'foo#accepts/friends',
+          type: 'Accept',
+          object: 'foo',
+        }))).to have_been_made.once
+      end
+    end
+
     context 'when already accepted' do
       before do
         friend.update(passive_state: :accepted)
diff --git a/spec/mailers/admin_mailer_spec.rb b/spec/mailers/admin_mailer_spec.rb
index 423dce88ab09ee..23b99a68cc1619 100644
--- a/spec/mailers/admin_mailer_spec.rb
+++ b/spec/mailers/admin_mailer_spec.rb
@@ -64,6 +64,26 @@
     end
   end
 
+  describe '.new_pending_friend_server' do
+    let(:recipient) { Fabricate(:account, username: 'Barklums') }
+    let(:friend) { Fabricate(:friend_domain, passive_state: :pending, domain: 'abc.com') }
+    let(:mail) { described_class.with(recipient: recipient).new_pending_friend_server(friend) }
+
+    before do
+      recipient.user.update(locale: :en)
+    end
+
+    it 'renders the headers' do
+      expect(mail.subject).to eq('New friend server up for review on cb6e6126.ngrok.io (abc.com)')
+      expect(mail.to).to eq [recipient.user_email]
+      expect(mail.from).to eq ['notifications@localhost']
+    end
+
+    it 'renders the body' do
+      expect(mail.body.encoded).to match 'The new friend server abc.com is waiting for your review. You can approve or reject this application.'
+    end
+  end
+
   describe '.new_trends' do
     let(:recipient) { Fabricate(:account, username: 'Snurf') }
     let(:links) { [] }
diff --git a/spec/mailers/previews/admin_mailer_preview.rb b/spec/mailers/previews/admin_mailer_preview.rb
index bc8f0193b9cd7b..7ba6f08239ecb8 100644
--- a/spec/mailers/previews/admin_mailer_preview.rb
+++ b/spec/mailers/previews/admin_mailer_preview.rb
@@ -8,6 +8,11 @@ def new_pending_account
     AdminMailer.with(recipient: Account.first).new_pending_account(User.pending.first)
   end
 
+  # Preview this email at http://localhost:3000/rails/mailers/admin_mailer/new_pending_friend_server
+  def new_pending_friend_server
+    AdminMailer.with(recipient: Account.first).new_pending_friend_server(User.pending.first)
+  end
+
   # Preview this email at http://localhost:3000/rails/mailers/admin_mailer/new_trends
   def new_trends
     AdminMailer.with(recipient: Account.first).new_trends(PreviewCard.joins(:trend).limit(3), Tag.limit(3), Status.joins(:trend).where(reblog_of_id: nil).limit(3))
diff --git a/spec/models/friend_domain_spec.rb b/spec/models/friend_domain_spec.rb
index a26d8e09a51112..c3fa128b1621b6 100644
--- a/spec/models/friend_domain_spec.rb
+++ b/spec/models/friend_domain_spec.rb
@@ -53,17 +53,6 @@
         object: 'ohagi',
       }))).to have_been_made.once
     end
-
-    it 'call inbox when unlocked parameter is changed' do
-      friend.update(passive_follow_activity_id: 'ohagi', passive_state: :pending, unlocked: true)
-      expect(friend.they_are_accepted?).to be true
-      expect(a_request(:post, 'https://foo.bar/inbox').with(body: hash_including({
-        id: 'ohagi#accepts/friends',
-        type: 'Accept',
-        actor: 'https://cb6e6126.ngrok.io/actor',
-        object: 'ohagi',
-      }))).to have_been_made.once
-    end
   end
 
   describe '#reject!' do