Dhanchey: thanks for your help.
This is the configuration I’m using the plug-in
<p>Tu nombre (obligatorio)
[text* your-name] </p>
<p>Tu email (obligatorio)
[email* your-email] </p>
<p>Asunto
[text your-subject] </p>
<p>Tu mensaje
[textarea* textarea-448]</p>
<p>[submit “Enviar”]</p>
