diff --git a/app/queries/concerns/decidim/privacy/admin_newsletter_recipients_extensions.rb b/app/queries/concerns/decidim/privacy/admin_newsletter_recipients_extensions.rb
new file mode 100644
index 0000000..b42f464
--- /dev/null
+++ b/app/queries/concerns/decidim/privacy/admin_newsletter_recipients_extensions.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Decidim
+  module Privacy
+    module AdminNewsletterRecipientsExtensions
+      extend ActiveSupport::Concern
+
+      included do
+        def query
+          recipients = recipients_base_query
+          recipients = recipients.interested_in_scopes(@form.scope_ids) if @form.scope_ids.present?
+
+          followers = recipients.where(id: user_id_of_followers) if @form.send_to_followers
+
+          participants = recipients.where(id: participant_ids) if @form.send_to_participants
+
+          recipients = participants if @form.send_to_participants
+          recipients = followers if @form.send_to_followers
+          recipients = (followers + participants).uniq if @form.send_to_followers && @form.send_to_participants
+
+          recipients
+        end
+      end
+
+      private
+
+      def recipients_base_query
+        Decidim::User
+          .entire_collection
+          .where(organization: @form.current_organization)
+          .where.not(newsletter_notifications_at: nil)
+          .where.not(email: nil)
+          .where.not(confirmed_at: nil)
+          .not_deleted
+      end
+    end
+  end
+end
diff --git a/lib/decidim/privacy/engine.rb b/lib/decidim/privacy/engine.rb
index 44cf3e7..0fb8d54 100644
--- a/lib/decidim/privacy/engine.rb
+++ b/lib/decidim/privacy/engine.rb
@@ -202,6 +202,9 @@ class Engine < ::Rails::Engine
           Decidim::StatsUsersCount.include(
             Decidim::Privacy::StatsUsersCountExtensions
           )
+          Decidim::Admin::NewsletterRecipients.include(
+            Decidim::Privacy::AdminNewsletterRecipientsExtensions
+          )
 
           # Initialize concerns for each installed Decidim-module
           if Decidim.module_installed? :budgets
diff --git a/spec/queries/decidim/admin/newsletter_recipients_spec.rb b/spec/queries/decidim/admin/newsletter_recipients_spec.rb
new file mode 100644
index 0000000..0839ebe
--- /dev/null
+++ b/spec/queries/decidim/admin/newsletter_recipients_spec.rb
@@ -0,0 +1,176 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+describe Decidim::Admin::NewsletterRecipients do
+  subject { described_class.new(form) }
+
+  let(:newsletter) { create(:newsletter) }
+  let(:organization) { newsletter.organization }
+  let(:send_to_all_users) { true }
+  let(:send_to_followers) { false }
+  let(:send_to_participants) { false }
+  let(:participatory_space_types) { [] }
+  let(:scope_ids) { [] }
+
+  let(:form_params) do
+    {
+      send_to_all_users:,
+      send_to_followers:,
+      send_to_participants:,
+      participatory_space_types:,
+      scope_ids:
+    }
+  end
+
+  let(:form) do
+    Decidim::Admin::SelectiveNewsletterForm.from_params(
+      form_params
+    ).with_context(
+      current_organization: organization
+    )
+  end
+
+  describe "querying recipients" do
+    context "when sending to all users" do
+      let!(:recipients) { create_list(:user, 5, :confirmed, newsletter_notifications_at: Time.current, organization:) }
+
+      it "returns all users" do
+        expect(subject.query).to match_array recipients
+        expect(recipients.count).to eq 5
+      end
+
+      context "with the scope_ids array containing an empty value" do
+        let(:scope_ids) { [""] }
+
+        it "returns all users" do
+          expect(subject.query).to match_array recipients
+          expect(recipients.count).to eq 5
+        end
+      end
+    end
+
+    context "when sending to followers" do
+      let!(:recipients) { create_list(:user, 3, :confirmed, newsletter_notifications_at: Time.current, organization:) }
+      let(:send_to_all_users) { false }
+      let(:send_to_followers) { true }
+      let(:participatory_processes) { create_list(:participatory_process, 2, organization:) }
+      let(:participatory_space_types) do
+        [
+          { "id" => nil,
+            "manifest_name" => "participatory_processes",
+            "ids" => [participatory_processes.first.id.to_s] },
+          { "id" => nil,
+            "manifest_name" => "assemblies",
+            "ids" => [] },
+          { "id" => nil,
+            "manifest_name" => "conferences",
+            "ids" => [] },
+          { "id" => nil,
+            "manifest_name" => "initiatives",
+            "ids" => [] }
+        ]
+      end
+
+      context "when recipients follow the participatory space" do
+        before do
+          recipients.each do |follower|
+            create(:follow, followable: participatory_processes.first, user: follower)
+          end
+        end
+
+        it "returns all users" do
+          expect(subject.query).to match_array recipients
+          expect(recipients.count).to eq 3
+        end
+      end
+    end
+
+    context "when sending to participants" do
+      let(:send_to_all_users) { false }
+      let(:send_to_participants) { true }
+      let!(:component) { create(:dummy_component, organization:) }
+      let(:participatory_space_types) do
+        [
+          { "id" => nil,
+            "manifest_name" => "participatory_processes",
+            "ids" => [component.participatory_space.id.to_s] },
+          { "id" => nil,
+            "manifest_name" => "assemblies",
+            "ids" => [] },
+          { "id" => nil,
+            "manifest_name" => "conferences",
+            "ids" => [] },
+          { "id" => nil,
+            "manifest_name" => "initiatives",
+            "ids" => [] }
+        ]
+      end
+
+      context "when recipients participate to the participatory space" do
+        let!(:authors) do
+          create_list(:user, 3, :confirmed, organization:, newsletter_notifications_at: Time.current)
+        end
+
+        before do
+          authors.each do |participant|
+            create(:dummy_resource, :published, component:, author: participant)
+          end
+        end
+
+        it "returns all users" do
+          expect(subject.query).to match_array authors
+          expect(authors.count).to eq 3
+        end
+
+        context "and other comment in other participatory spaces" do
+          # non participant commentator (comments into other spaces)
+          let!(:non_participant) { create(:user, :confirmed, newsletter_notifications_at: Time.current, organization:) }
+          let!(:component_out_of_newsletter) { create(:dummy_component, organization:) }
+          let!(:resource_out_of_newsletter) { create(:dummy_resource, :published, author: non_participant, component: component_out_of_newsletter) }
+          let!(:outlier_comment) { create(:comment, author: non_participant, commentable: resource_out_of_newsletter) }
+          # participant commentator
+          let!(:commentator_participant) { create(:user, :confirmed, newsletter_notifications_at: Time.current, organization:) }
+          let!(:resource_in_newsletter) { create(:dummy_resource, :published, author: authors.first, component:) }
+          let!(:comment_in_newsletter) { create(:comment, author: commentator_participant, commentable: resource_in_newsletter) }
+
+          let(:recipients) { authors + [commentator_participant] }
+
+          it "returns only commenters in the selected spaces" do
+            expect(subject.query).to match_array(recipients)
+            expect(recipients.count).to eq 4
+          end
+        end
+      end
+    end
+
+    context "with scopes segment" do
+      let(:scopes) do
+        create_list(:scope, 5, organization:)
+      end
+      let(:scope_ids) { scopes.pluck(:id) }
+
+      context "when recipients interested in scopes" do
+        let!(:recipients) do
+          create_list(:user, 3, :confirmed, organization:, newsletter_notifications_at: Time.current, extended_data: { "interested_scopes" => scopes.first.id })
+        end
+
+        it "returns all users" do
+          expect(subject.query).to match_array recipients
+          expect(recipients.count).to eq 3
+        end
+      end
+
+      context "when interest not match the selected scopes" do
+        let(:user_interset) { create(:scope, organization:) }
+        let!(:recipients) do
+          create_list(:user, 3, :confirmed, organization:, newsletter_notifications_at: Time.current, extended_data: { "interested_scopes" => user_interset.id })
+        end
+
+        it "do not return recipients" do
+          expect(subject.query).to be_empty
+        end
+      end
+    end
+  end
+end