If you are receiving a bunch of advertisements in your mailbox from Red Plum, you can stop them by going to their website - redplum.com - and unsubscribe.  Their site isn't very user friendly for stopping the flyers, but it is doable.  On the right side of their home page, select "Questions about Red Plum's Mailing List" and fill out the form that pops up.  The drop downs don't work well, so you may have to type in "Rmo