Given that you're using the MS web interface to these groups, and that dupe
posts are often a result of same, you might want to consider using a
newsreader like Outlook Express or Forte Agent instead - it's a lot easier
to do nearly everything there, including searching, which is always a good
idea to do before you post, as well as mark messages to be watched, and
filter based on replies to your posts.
The Microsoft public news server is msnews.microsoft.com and you can
subscribe to as many groups as you like.
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