Prova così:

codice:
<body> 
<form method="post" action="mailto:mioindirizzo@hotmail.com" enctype="text/plain"> 
<input type="text" name="address" size="30" maxlength="30"> 
<textarea name="comments" rows="6" cols="50" wrap="off"></textarea> 
<input type="submit" value="invia"> 
<input type="reset" value="cancella"> 
</form> 
</body> 
</html>