You will be asked to register with a valid e-mail address to use the forum.          A password will be sent automatically to the address you give and you will then be able change the automated password assigned to you to something more memorable.                 The Forum includes an 'Internal message' facility allowing those that register to contact others on the Forum without the exchange of e-mail addresses.  You will also be given the option of not displaying your registration e-mail on the site.