This article is from the Naturism FAQ, by Dennis Kirkpatrick firstname.lastname@example.org with numerous contributions by others.
For instance, open an account with an Internet service provider (ISP)
that will allow you to use a pseudonym as your account name. This will
allow you to post not as "email@example.com" but as, for
instance, "firstname.lastname@example.org". A few ISPs exist that will even allow
you to be completely anonymous, even to the ISP, if you so desire.