diff --git a/app/controllers/settings/profiles_controller.rb b/app/controllers/settings/profiles_controller.rb
index be5b4f3029..3daaa6f687 100644
--- a/app/controllers/settings/profiles_controller.rb
+++ b/app/controllers/settings/profiles_controller.rb
@@ -20,7 +20,7 @@ class Settings::ProfilesController < Settings::BaseController
   private
 
   def account_params
-    params.require(:account).permit(:display_name, :note, :avatar, :header, :locked, :bot, :discoverable, :hide_collections, fields_attributes: [:name, :value])
+    params.require(:account).permit(:display_name, :note, :avatar, :header, :locked, :my_actor_type, :group_message_following_only, :discoverable, :hide_collections, fields_attributes: [:name, :value])
   end
 
   def set_account
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 1537980891..6b93233c0d 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -1290,7 +1290,7 @@ body > [data-popper-placement] {
       transition: transform .2s ease;
 
       &:hover {
-        transform: scale(1.4);
+        transform: scale(1.2);
       }
 
       img {
diff --git a/app/models/account.rb b/app/models/account.rb
index 1ff083e54a..c32b08282f 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -50,6 +50,7 @@
 #  trendable                     :boolean
 #  reviewed_at                   :datetime
 #  requested_review_at           :datetime
+#  group_message_following_only  :boolean
 #
 
 class Account < ApplicationRecord
@@ -171,8 +172,20 @@ class Account < ApplicationRecord
     actor_type == 'Group'
   end
 
+  def group=(val)
+    self.actor_type = ActiveModel::Type::Boolean.new.cast(val) ? 'Group' : 'Person'
+  end
+
   alias group group?
 
+  def my_actor_type
+    actor_type == 'Service' ? 'bot' : actor_type == 'Group' ? 'group' : 'person'
+  end
+
+  def my_actor_type=(val)
+    self.actor_type = val == 'bot' ? 'Service' : val == 'group' ? 'Group' : 'Person'
+  end
+
   def acct
     local? ? username : "#{username}@#{domain}"
   end
diff --git a/app/services/activitypub/process_status_update_service.rb b/app/services/activitypub/process_status_update_service.rb
index ac7372f745..b89a834631 100644
--- a/app/services/activitypub/process_status_update_service.rb
+++ b/app/services/activitypub/process_status_update_service.rb
@@ -182,6 +182,7 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
     update_tags!
     update_mentions!
     update_emojis!
+    join_group!
   end
 
   def update_tags!
@@ -218,6 +219,10 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
     Mention.where(id: removed_mentions.map(&:id)).update_all(silent: true) unless removed_mentions.empty?
   end
 
+  def join_group!
+    GroupReblogService.call(@status)
+  end
+
   def update_emojis!
     return if skip_download?
 
diff --git a/app/services/group_reblog_service.rb b/app/services/group_reblog_service.rb
new file mode 100644
index 0000000000..b9f375b8cb
--- /dev/null
+++ b/app/services/group_reblog_service.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class GroupReblogService < BaseService
+
+  def call(status)
+    visibility = status.visibility.to_sym
+    return nil if visibility != :public && visibility != :public_unlisted && visibility != :unlisted
+
+    accounts = status.mentions.map(&:account) | status.active_mentions.map(&:account)
+
+    accounts.each do |account|
+      next unless account.local?
+      next if account.group_message_following_only && !account.following?(status.account)
+
+      ReblogService.new.call(account, status, { visibility: status.visibility }) if account.group?
+    end
+  end
+end
diff --git a/app/services/post_status_service.rb b/app/services/post_status_service.rb
index d1e750c9c4..f9349670d9 100644
--- a/app/services/post_status_service.rb
+++ b/app/services/post_status_service.rb
@@ -122,6 +122,7 @@ class PostStatusService < BaseService
     DistributionWorker.perform_async(@status.id)
     ActivityPub::DistributionWorker.perform_async(@status.id)
     PollExpirationNotifyWorker.perform_at(@status.poll.expires_at, @status.poll.id) if @status.poll
+    GroupReblogService.new.call(@status)
   end
 
   def validate_media!
diff --git a/app/views/settings/profiles/show.html.haml b/app/views/settings/profiles/show.html.haml
index 3067b37370..87897a6465 100644
--- a/app/views/settings/profiles/show.html.haml
+++ b/app/views/settings/profiles/show.html.haml
@@ -27,7 +27,10 @@
     = f.input :locked, as: :boolean, wrapper: :with_label, hint: t('simple_form.hints.defaults.locked')
 
   .fields-group
-    = f.input :bot, as: :boolean, wrapper: :with_label, hint: t('simple_form.hints.defaults.bot')
+    = f.input :my_actor_type, collection: ['person', 'bot', 'group'],label_method: lambda { |item| safe_join([t("simple_form.labels.defaults.#{item}"), content_tag(:span, I18n.t("simple_form.hints.defaults.#{item}"), class: 'hint')]) }, as: :radio_buttons, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', wrapper: :with_floating_label
+
+  .fields-group
+    = f.input :group_message_following_only, as: :boolean, wrapper: :with_label, hint: t('simple_form.hints.defaults.group_message_following_only')
 
   .fields-group
     = f.input :discoverable, as: :boolean, wrapper: :with_label, hint: t('simple_form.hints.defaults.discoverable'), recommended: true
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 96b0131efe..a7b66807bd 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -40,12 +40,15 @@ en:
         discoverable: Allow your account to be discovered by strangers through recommendations, trends and other features
         email: You will be sent a confirmation e-mail
         fields: You can have up to 4 items displayed as a table on your profile
+        group: Reps sent to this account will be automatically BT'd and distributed to all accounts you follow!
+        group_message_following_only: Effective as an anti-troll/spam measure, but requires the effort to follow up with subscribers
         header: PNG, GIF or JPG. At most %{size}. Will be downscaled to %{dimensions}px
         inbox_url: Copy the URL from the frontpage of the relay you want to use
         irreversible: Filtered posts will disappear irreversibly, even if filter is later removed
         locale: The language of the user interface, e-mails and push notifications
         locked: Manually control who can follow you by approving follow requests
         password: Use at least 8 characters
+        person: This is normal account
         phrase: Will be matched regardless of casing in text or content warning of a post
         scopes: Which APIs the application will be allowed to access. If you select a top-level scope, you don't need to select individual ones.
         setting_aggregate_reblogs: Do not show new boosts for posts that have been recently boosted (only affects newly-received boosts)
@@ -179,6 +182,8 @@ en:
         email: E-mail address
         expires_in: Expire after
         fields: Profile metadata
+        group: This is a group account
+        group_message_following_only: For group accounts, BT only mentions from people you are following
         header: Header
         honeypot: "%{label} (do not fill in)"
         inbox_url: URL of the relay inbox
@@ -186,10 +191,12 @@ en:
         locale: Interface language
         locked: Require follow requests
         max_uses: Max number of uses
+        my_actor_type: Account type
         new_password: New password
         note: Bio
         otp_attempt: Two-factor code
         password: Password
+        person: This is a normal account
         phrase: Keyword or phrase
         setting_advanced_layout: Enable advanced web interface
         setting_aggregate_reblogs: Group boosts in timelines
diff --git a/config/locales/simple_form.ja.yml b/config/locales/simple_form.ja.yml
index f7e2cb9545..2ad4e03e11 100644
--- a/config/locales/simple_form.ja.yml
+++ b/config/locales/simple_form.ja.yml
@@ -40,12 +40,15 @@ ja:
         discoverable: レコメンド、トレンド、その他の機能により、あなたのアカウントを他の人から見つけられるようにします
         email: 確認のメールが送信されます
         fields: プロフィールに表として4つまでの項目を表示することができます
+        group: このアカウントに送られたリプは自動でBTされ、フォローしている全てのアカウントに配信されます
+        group_message_following_only: 荒らし・スパム対策として有効ですが、加入者をフォローする手間が発生します
         header: "%{size}までのPNG、GIF、JPGが利用可能です。 %{dimensions}pxまで縮小されます"
         inbox_url: 使用したいリレーサーバーのトップページからURLをコピーします
         irreversible: フィルターが後で削除されても、除外された投稿は元に戻せなくなります
         locale: ユーザーインターフェース、メールやプッシュ通知の言語
         locked: フォロワーを手動で承認する必要があります
         password: 少なくとも8文字は入力してください
+        person: これは人が使用している通常のアカウントです
         phrase: 投稿内容の大文字小文字や閲覧注意に関係なく一致
         scopes: アプリの API に許可するアクセス権を選択してください。最上位のスコープを選択する場合、個々のスコープを選択する必要はありません。
         setting_aggregate_reblogs: 最近ブーストされた投稿が新たにブーストされても表示しません (設定後受信したものにのみ影響)
@@ -179,6 +182,8 @@ ja:
         email: メールアドレス
         expires_in: 有効期限
         fields: プロフィール補足情報
+        group: これはグループアカウントです
+        group_message_following_only: グループアカウントの場合、自分がフォローしている相手からのメンションのみをBTする
         header: ヘッダー
         honeypot: "%{label} (入力しない)"
         inbox_url: リレーサーバーの inbox URL
@@ -186,10 +191,12 @@ ja:
         locale: 言語
         locked: 承認制アカウントにする
         max_uses: 使用できる回数
+        my_actor_type: アカウントの種類
         new_password: 新しいパスワード
         note: プロフィール
         otp_attempt: 二要素認証コード
         password: パスワード
+        person: これは通常のアカウントです
         phrase: キーワードまたはフレーズ
         setting_advanced_layout: 上級者向けUIを有効にする
         setting_aggregate_reblogs: ブーストをまとめる
diff --git a/db/migrate/20230314021909_add_group_message_following_only_to_accounts.rb b/db/migrate/20230314021909_add_group_message_following_only_to_accounts.rb
new file mode 100644
index 0000000000..40f843afd8
--- /dev/null
+++ b/db/migrate/20230314021909_add_group_message_following_only_to_accounts.rb
@@ -0,0 +1,5 @@
+class AddGroupMessageFollowingOnlyToAccounts < ActiveRecord::Migration[6.1]
+  def change
+    add_column :accounts, :group_message_following_only, :boolean
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 93a923bbe2..f2e9cac6c0 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2023_03_08_061833) do
+ActiveRecord::Schema.define(version: 2023_03_14_021909) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -186,6 +186,7 @@ ActiveRecord::Schema.define(version: 2023_03_08_061833) do
     t.boolean "trendable"
     t.datetime "reviewed_at"
     t.datetime "requested_review_at"
+    t.boolean "group_message_following_only"
     t.index "(((setweight(to_tsvector('simple'::regconfig, (display_name)::text), 'A'::\"char\") || setweight(to_tsvector('simple'::regconfig, (username)::text), 'B'::\"char\")) || setweight(to_tsvector('simple'::regconfig, (COALESCE(domain, ''::character varying))::text), 'C'::\"char\")))", name: "search_index", using: :gin
     t.index "lower((username)::text), COALESCE(lower((domain)::text), ''::text)", name: "index_accounts_on_username_and_domain_lower", unique: true
     t.index ["moved_to_account_id"], name: "index_accounts_on_moved_to_account_id", where: "(moved_to_account_id IS NOT NULL)"