Spaces are allowed; punctuation is not allowed except for periods, hyphens, apostrophes, and underscores.
A valid e-mail address. All e-mails from the system will be sent to this address. The e-mail address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by e-mail.
Directory
Checking this box will keep your name from being displayed in the site directory.
Contact settings
Allow other users to contact you via a personal contact form which keeps your e-mail address hidden. Note that some privileged users such as site administrators are still able to contact you even if you choose to disable this feature.