Support - Email User Information

Display Name:

This is the name that people will see when you email them. This can be your full name or something very general that describes the email address like: info, support, or sales, just to name a few.

Email Address (AKA Email Alias):

This is what you would give people: friends, family, clients, or users so that they can email you; takes the form of "myname@mydomain.com" or "myname@myisp.com"
Adhost refers to this as your Email Alias.

Account Name, User Name, UserID:

These naming conventions commonly refer to your POP account name.
If using Adhost, the POP account name is NOT your email alias.

Password:

A secret series of characters associated with the POP account.