y apologies. The contest has been wildly popular and one of you will be walking away with a great prize.
The email barrage is due to automatic settings within the community. In a perfect world you could typically unsubscribe from the feed ( which you can do), however you will still get notifications because you are subscribed to the group- which is required so as to receive the latest information.
The easiest fix is to change your notifcation settings so that you only get a notification email on the initial post. You can do this by going into your settings and changing the drop down to only the first post in each topic as shown here:
Sorry for the inconvenience. Email me at firstname.lastname@example.org if you need assistance.