So, does it clutter up my inbox when I use it? Or does it delete the messages on arrival? Or does it file them in a special IMAP folder? This was also apparent

So, does it clutter up my inbox when I use it? Or does it delete the messages on arrival? Or does it file them in a special IMAP folder? This was also apparently asked the last time this was posted to HN and still isn't answered in their FAQ :(