hi,

i'm trying to use this sendmail tag but received an error message which i cannot understand. could someone help me out here? thanks

---error message---
Error Type: TypeError
Error Value: len() of unsized object

---my code---
--the "code" SendFeedback--

  <dtml-sendmail smtphost="localhost">
    To: Feedback Recipient <dotorimookl@yahoo.com >
    From: Zope Feedback Form <zope_form@example.com>
    Subject: Feedback from the web

    Feedback from : <dtml-var name>
    message:
    <dtml-var comments>
    </dtml-sendmail>

    <h1>thanks</h1>
    <p>your message has beent sent</p>

---and the code feedback---

    <H2>send us your feedback</H2>

    <form action="SendFeedback" method="post"> 
    your Name: <input type="text" name="name" size="40">
    <br>
    <textarea name="comments" rows="10" cols="50">
    Here
    </textarea><br>
    <input type="submit" value="Send Feedback">
    </form>