Prueba esto.
Código PHP:
<div class="contentBox">
<h2 id="hContact"><span>Contact</span></h2>
<form method="post" action="sendmail.php">
<div class="content" id="contact">
<p class="fLeft">Your Name:<br />
<label class="smallInput">
<input name="textfield4" type="text" size="15" />
</label>
</p>
<p class="fLeft">Your Email:<br />
<label class="smallInput">
<input name="textfield4" type="text" size="15" />
</label>
</p>
<p class="textarea">Your Message<br />
<label class="textarea">
<textarea name="textfield4" rows="6" cols="40"></textarea>
</label>
</p>
<p>
<input type="submit" value="Send" />
</p>
</div><!-- end of .content -->
</div><!-- end of .contentBox -->
</div><!-- end of expandingContainer -->