diff --git a/app/controllers/admin/email_controller.rb b/app/controllers/admin/email_controller.rb
index f77c64d7784..416e0c1b940 100644
--- a/app/controllers/admin/email_controller.rb
+++ b/app/controllers/admin/email_controller.rb
@@ -74,11 +74,11 @@ class Admin::EmailController < Admin::AdminController
     params.require(:to)
     # These strings aren't localized; they are sent to an anonymous SMTP user.
     if !User.exists?(email: Email.downcase(params[:from])) && !SiteSetting.enable_staged_users
-        render json: { reject: true, reason: "Mail from your address is not accepted. Do you have an account here?" }
+      render json: { reject: true, reason: "Mail from your address is not accepted. Do you have an account here?" }
     elsif Email::Receiver.check_address(Email.downcase(params[:to])).nil?
-        render json: { reject: true, reason: "Mail to this address is not accepted. Check the address and try to send again?" }
+      render json: { reject: true, reason: "Mail to this address is not accepted. Check the address and try to send again?" }
     else
-        render json: { reject: false }
+      render json: { reject: false }
     end
   end