Código llama al formulario

<form name="frmContacto" method="post" action="sendbymail.php">
<table width="500px">
<tr>
<td>
<label for="first_name">Nombre: *</label>
</td>
<td>
<input type="text" name="first_name" maxlength="50" size="25">
</td>
</tr>
<tr>
<td valign="top"">
">Apellido: *

" name="last_name" maxlength="50" size="25"> ">Dirección de E-mail: * " name="email" maxlength="80" size="35"> ">Número de teléfono: " name="telephone" maxlength="25" size="15"> ">Comentarios: * " maxlength="</span><span class="sh_number">500</span><span class="sh_string">" cols="</span><span class="sh_number">30</span><span class="sh_string">" rows="</span><span class="sh_number">5</span><span class="sh_string">"> 2" style="text-align:right"> " value="Enviar">