Instead of going no mail just do a block sender and then you do not get all the mail sent out by the group and can go read all the messages on the group at your leisure.
As far as the free designs on the group they were put there to give away. If not then don't put them there. Digitizers are always talking about how hard they work. When someone can pump out 30 designs a week that is there choice. The free designs are a lost leader just like buying a can of soup on sale in the grocery store.
There are many many free designs on my group and if someone wants to leave that is their loss not mine.
My group is very successful and I run it for the members as well as myself.
Sewing hugs Doreen........... jandor@... Email for pricing
Sales of Vilene & Embird .. www.crittersncrafts.com. I ship World wide
moderator/list Mom