Come usare il plugin formit

[[!FormIt?
&hooks=`recaptcha,spam,email,redirect,FormItAutoResponder`
&emailTpl=`sentEmailTpl`
&emailSubject=`Richiesta contatto`
&emailTo=`[email protected]`
&validate=`contact_name:required,contact_email:email:required,contact_message:required`
&redirectTo=`id`
&fiarTpl=`autoResponseTpl`
&fiarSubject=`Grazie per averci contattato`
&fiarToField=`contact_email`
&fiarFromName=`Nome`
]]

<div class="contact_form">
  <h3>Inviaci una email</h3>
  <form id="contactForm" class="cmxform" action="[[~[[*id]]]]" method="post">
    <div class="form-input form_warp">
      <p><label for="contact_name">Nome</label><em> (*)</em><span>[[!+fi.error.contact_name]]</span></p>
      <input id="contact_name" class="required" name="contact_name" size="30" value="[[!+fi.contact_name]]" />
    </div>
    <div class="form-select form_warp">
      <p><label for="contact_obj">Oggetto della mail</label></p>
          <select name="contact_obj">
            <option value="Oggetto1">Valore 1</option>
            <option value="Oggetto2">Valore2</option>
            <option value="Oggetto3">Valore3</option>
            <option value="Oggetto 4">valore4</option>
          </select>
    </div>
    <div class="form-input form_warp">
      <p><label for="contact_email">E-Mail </label><em> (*)</em><span>[[!+fi.error.contact_email]]</span></p>
        <input id="contact_email" class="required email" name="contact_email" size="30" value="[[!+fi.contact_email]]" />
  </div>
  <div class="form-input form_warp">
    <p><label for="contact_phone">Telefono</label></p>
    <input id="contact_phone" class="phone" maxlength="14" name="contact_phone" size="14" value="[[!+fi.contact_phone]]" />
  </div>
  <div class="form-textarea2 form_warp">
    <p><label for="contact_message">Commento</label><em>(*)</em><span>[[!+fi.error.contact_message]]</span></p>
    <span class="txt_area"><textarea id="contact_message" class="required" cols="70" rows="7" name="contact_message">[[!+fi.contact_message]]</textarea></span>
   </div>
  <br />
     [[+formit.recaptcha_html]]
     [[!+fi.error.recaptcha]]
   <br />
  <div class="form-privacy form_warp">
    <p><label>Privacy</label></p>
  <div class="txt">I dati inseriti <strong>NON</strong> saranno divulgati e saranno utilizzati unicamente per rispondere alla richiesta fatta secondo la normativa vigente. Inviando la richiesta <strong>ACCETTATE</strong> quanto riportato nella <a href="[[~29]]">normativa a riguardo</a>.</div>
  </div>
  <div class="span_button_big">
     <input class="button_big" name="submit" type="submit" value="Invia Richiesta" />
  </div>
</form>
</div>