Redmine/app/views/mailer/reminder.text.html.rhtml

<p><%= l(:mail_body_reminder, :count => @issues.size, :days => @days) %></p>

<ul>
<% @issues.each do |issue| -%>
  <li><%=h issue.project %> - <%=link_to(h("#{issue.tracker} ##{issue.id}"), :controller => 'issues', :action => 'show', :id => issue, :only_path => false)%>: <%=h issue.subject %></li>
<% end -%>
</ul>

<p><%= link_to l(:label_issue_view_all), @issues_url %></p>