api/app/views/mailer/recovery_email.html.erb
<!DOCTYPE html>
<html>
<head>
<meta content='text/html; charset=UTF-8' http-equiv='Content-Type' />
</head>
<body>
<h1>Password recovery request</h1>
<p>
Click the link to change your password:
<a href='<%= @url %>'><%= @url %></a>
</p>
</body>
</html>