app/views/layouts/mailer.html.erb
<html>
<body>
<h1 class="entry-title">EMUFest <%= Edition.current.year -%></h1>
<br />
<%= yield %>
<p><font size="-1">
Please note: this is a message sent from an automated mailer. Please do not reply to this message: your reply will not be read.
If you need to contact us, please send a mail to <a href="mailto:info@emufest.org">info@emufest.org</a>.
</font></p>
</body>
</html>