For more information about Google Sitemaps see:
http://google.com/webmasters/sitemaps/docs/en/about.html

Many answers are available at our webmaster help center:
http://www.google.com/support/webmasters/

When posting about an issue, please include your site or Sitemap URL
and any error message you received. This enables other Group members to
help you more quickly and helps the Sitemaps team troubleshoot issues.

The Google Sitemaps team reads this forum and gathers all feedback to
enhance the product, although we are unable to respond to each post.

When a Sitemaps team member does post, it will be with BOTH the name
"Google Employee" and email [email address].

The google-sitemaps group encourages free and open discussion on all
aspects of Google Sitemaps. However, posts not on this topic are not
welcome. We reserve the right to delete posts that we consider
inappropriate.

In addition, this group explicitly prohibits
* The posting of commercial advertisements or other promotional
material
* Spamming/excessive multi-posting
* Chain letters
* Binary (non-text) postings
* Forgery of another user's identity