Perchè questo form invia solamente il campo "nome"?


codice:
<form name="form1" method="get" action="mailto:info@aipioppi.it">
			
	        <table width="100%" border="0" cellspacing="5" cellpadding="5">
              <tr>
                <td class="testo">Nome</td>
                <td><input name="nome" type="text" id="nome" size="30"></td>
              </tr>
              <tr>
                <td class="testo">Cognome</td>
                <td><input name="cognome" type="text" id="cognome" size="30"></td>
              </tr>
              <tr>
                <td class="testo">Indirizzo</td>
                <td><input name="indirizzo" type="text" id="indirizzo" size="30"></td>
              </tr>
              <tr>
                <td class="testo">Telefono</td>
                <td><input name="telefono" type="text" id="telefono" size="15"></td>
              </tr>
              <tr>
                <td class="testo">Cellulare</td>
                <td><input name="cellulare" type="text" id="cellulare" size="15"></td>
              </tr>
              <tr>
                <td class="testo">Citt&agrave;</td>
                <td><input name="citta" type="text" id="citta" size="30"></td>
              </tr>
              <tr>
                <td class="testo">Provincia</td>
                <td><input name="provincia" type="text" id="provincia" size="2"></td>
              </tr>
              <tr>
                <td class="testo">E-Mail</td>
                <td><input name="email" type="text" id="email" size="30"></td>
              </tr>
              <tr>
                <td></td>
                <td></td>
              </tr>
              <tr align="center">
                <td colspan="2" class="testo">Informazioni:

                  

                  <textarea name="info" cols="50" rows="10" id="info"></textarea></td>
                </tr>
              <tr align="center">
                <td colspan="2" class="testo"><table width="100%" border="0" cellspacing="0" cellpadding="0">
                  <tr align="center">
                    <td width="50%">
					<input type="submit" name="Submit" value="Invia"></td>
                    <td width="50%"><input type="reset" name="Submit2" value="Azzera"></td>
                  </tr>
                </table></td>
              </tr>
            </table>
	          </form>