<% module_namespacing do -%> # Preview all emails at http://localhost:3000/rails/mailers/<%= file_path %>_mailer class <%= class_name %>MailerPreview < ActionMailer::Preview <% actions.each do |action| -%> # Preview this email at http://localhost:3000/rails/mailers/<%= file_path %>_mailer/<%= action %> def <%= action %> <%= class_name %>Mailer.<%= action %> end <% end -%> end <% end -%>