Every member can manage there own email settings. You receive emails when you have new messages or someone replies to you discussion or you can turn them off and just see them when you check out the site.
To adjust your emails;
- Click on Settings below your name at the top right
- Click on Email at the left
- Uncheck and check the boxes accordingly
- Make sure you save you settings
While we're talking about these things, if you haven't already you can remove that big green box on the front page when you log in by clicking the little x in the top right corner of the box.