app/views/dashboard/mailing/_mailing_options.html.erb
<div class="small-12 medium-3 column">
<% 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" %>
</div>