<form action="MAILTO:someone@example.com" method="post" enctype="text/plain">
Name:<br>
<input type="text" name="name" value="your name"><br>
E-mail:<br>
<input type="text" name="mail" value="your email"><br>
Comment:<br>
<textarea rows="3" cols="20">
Enter your text here...
</textarea><br><br>
<input type="submit" value="Send">
<input type="reset" value="Reset">
</form>

</body>
</html>