Once you have activated your account with our message board you can edit your personal settings by clicking on your username at the top of the forum.
You will be directed to your membership information. At the top of this page there is another link to enable you to edit your profile. Click this link and selct 'no' to 'make your email visible to other users'. Don't forget to save your changes at the bottom of the page.
Even if your email isn't visible it is still possible for another member to send you a private message which will be stored under your log in name at the top of the page.