If you’re using MovableType to maintain your blog, you can add the following bit of code to allow readers to automatically add themselves to your Update / Notify list:
<form method=”post” action=”<$MTCGIPath$>mt-add-notify.cgi”>
<b>Get updates via email:</b><br />
<input type=”hidden” name=”blog_id” value=”<$MTBlogID$>” />
<input type=”hidden” name=”_redirect” value=”<$MTBlogURL$>” />
<input name=”email” size=”18″ />
<input type=”submit” value=”Sign Up!” />
</form>