plugins/send_email/views/send_email_plugin_admin/index.html.erb
<h1><%= _("SendEmailPlugin's config") %></h1>
<%= form_for :environment, :url => {:action => 'index'}, :html => {:method => 'post'} do |f| %>
<%= labelled_form_field(_("E-Mail addresses you want to allow to send"), f.text_area(:send_email_plugin_allow_to, :rows => 8)) %>
<small><%= _('(list of email addresses separated by comma)') %></small>
<%= button_bar do %>
<%= submit_button 'save', c_('Save'), :cancel => {:controller => 'plugins'} %>
<% end %>
<% end %>