1. Click on Getting Started, you may have to scroll up.

You will then see this screen:

2. At POP account, put your username then @mail.onlineinfo.net. This don't change your e-mail address, it will still be whatever you have been using or was told to use.
? Why does my e-mail address have an extra word in it?
? What is a username?

3. At Real Name, put your name.

4. At Return Address, put your e-mail address. This is the address that mail will come to when people reply to your messages. If you want it to go to a different address, then type that address here instead.