grazie, ma non me lo fa comparire ora ti posto il codice del form dove l'ho messo:

<form onSubmit="return oksubmit()" action="mailto:italfi@italfi.it" method="post" name="contattaitalfi" id="contattaitalfi">
<table width="80%" border="0" align="center">
<tr>
<td width="25%"><div align="left"><font color="#3a799a"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Nome:</font></font></div></td>
<td width="75%"><input name="nome" type="text" id="nome" size="20"></td>
</tr>
<tr>
<td><div align="left"><font color="#3a799a"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Cognome:</font></font></div></td>
<td><input name="cognome" type="text" id="cognome" size="20"></td>
</tr>
<tr>
<td><div align="left"><font color="#3a799a"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">E-mail:</font></font></div></td>
<td><input name="email" type="text" id="email" size="20"></td>
</tr>
<tr>
<td><div align="left"><font color="#3a799a"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Telefono:</font></font></div></td>
<td><input name="telefono" type="text" id="telefono" size="20"></td>
</tr>
<tr>
<td><div align="left"><font color="#3a799a"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Sei
gi&agrave; cliente?</font></font></div></td>
<td><select name="cliente" id="cliente">
<option value="si" selected>si</option>
<option value="no">no</option>
</select></td>
</tr>
<tr>
<td><font color="#3a799a" size="2" face="Verdana, Arial, Helvetica, sans-serif">Domanda:</font></td>
<td><textarea name="domanda" cols="50" rows="5" id="domanda"></textarea></td>
</tr>
</table>
<div align="center">
</div>
<center>
<table BORDER="0" CELLSPACING="0" CELLPADDING="0">
<tr valign="top">
<td align=middle><DIV id="submitbutton" style="visibility:hidden"><input NAME="submitbut" TYPE="submit" VALUE=" Invia "></div></td>
</tr>
<tr>
</table>
</center>
</form>

come mai non va?