How do I change my email address for the users list?

The URL at the bottom of the page sends me to a page requiring me to login. It recognizes nothing I have used for i.d. in the past and if I try for a new login account nothing happens.

I must be doing something wrong?
-- 
Bob Goodwin - Zuni, Virginia, USA
http://www.qrz.com/db/W2BOD
box10  FEDORA-23/64bit LINUX XFCE POP3