diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index 7a6587a5..0cd12d52 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -47,6 +47,7 @@ class AccountsController < ApplicationController
     authorize!(:manage, current_account)
 
     true_user.update!(locked_at: Time.current, email: true_user.email.sub('@', '+removed@'))
+    true_user.account.update!(archived_at: Time.current)
 
     # rubocop:disable Layout/LineLength
     render turbo_stream: turbo_stream.replace(
diff --git a/app/controllers/send_submission_email_controller.rb b/app/controllers/send_submission_email_controller.rb
index 45852360..c3a95158 100644
--- a/app/controllers/send_submission_email_controller.rb
+++ b/app/controllers/send_submission_email_controller.rb
@@ -29,7 +29,7 @@ class SendSubmissionEmailController < ApplicationController
 
     RateLimit.call("send-email-#{@submitter.id}", limit: 2, ttl: 5.minutes)
 
-    SubmitterMailer.documents_copy_email(@submitter, sig: true).deliver_later! unless already_sent?(@submitter)
+    SubmitterMailer.documents_copy_email(@submitter, sig: true).deliver_later! if can_send?(@submitter)
 
     respond_to do |f|
       f.html { render :success }
@@ -39,8 +39,11 @@ class SendSubmissionEmailController < ApplicationController
 
   private
 
-  def already_sent?(submitter)
-    EmailEvent.exists?(tag: :submitter_documents_copy, email: submitter.email, emailable: submitter,
-                       event_type: :send, created_at: SEND_DURATION.ago..Time.current)
+  def can_send?(submitter)
+    return false if submitter.account.archived_at?
+    return false if EmailEvent.exists?(tag: :submitter_documents_copy, email: submitter.email, emailable: submitter,
+                                       event_type: :send, created_at: SEND_DURATION.ago..Time.current)
+
+    true
   end
 end
diff --git a/app/controllers/submissions_preview_controller.rb b/app/controllers/submissions_preview_controller.rb
index 40130e19..2ac30745 100644
--- a/app/controllers/submissions_preview_controller.rb
+++ b/app/controllers/submissions_preview_controller.rb
@@ -41,6 +41,9 @@ class SubmissionsPreviewController < ApplicationController
 
   def completed
     @submission = Submission.find_by!(slug: params[:submissions_preview_slug])
+
+    raise ActionController::RoutingError, I18n.t('not_found') if @submission.account.archived_at?
+
     @template = @submission.template
 
     render :completed, layout: 'form'
diff --git a/app/controllers/submit_form_controller.rb b/app/controllers/submit_form_controller.rb
index f7bf565e..963594fa 100644
--- a/app/controllers/submit_form_controller.rb
+++ b/app/controllers/submit_form_controller.rb
@@ -75,7 +75,9 @@ class SubmitFormController < ApplicationController
     render json: { error: e.message }, status: :unprocessable_content
   end
 
-  def completed; end
+  def completed
+    raise ActionController::RoutingError, I18n.t('not_found') if @submitter.account.archived_at?
+  end
 
   def success; end