... Register | ... This form is used to change your registered e-mail addresses. ... If TWiki can't find a registered e-mail for you in the secret database, it will look in your user topic for a line like this: * Set Email = user@example.com If your user topic is not protected from changes by other people, and you don't register an e-mail address using this form, then your user account could be hijacked by someone else. ... Registered e-mail addresses for currently logged in user ( TWikiGuest ): . ...