<% if action_name != "index" %> <%= link_to t("dashboard.mailing.mailing_options.preview"), proposal_dashboard_mailing_index_path(proposal), class: "button expanded" %> <% end %> <%= link_to t("dashboard.mailing.mailing_options.send", address: current_user.email), proposal_dashboard_mailing_index_path(proposal), method: :post, class: "button expanded" %>