I have belonged to several groups for years and years, but I usually just read. I don't receive mail from all of them, because if not, I would never get anything done. There are too many groups, and I will have to admit, that I have also left a group or two, because someone would turn nasty, and things weren't handle right. But... there are very few of those. For the most part, they are really nice. A lot of the groups are only for the owners to communicate any changes in their site: sales, contests, hints, freebies, etc... One can also choose the way messages are handled.

You can receive all of them, only special notices, or even none at all. Have a nice day!