To add, remove users, use your mail lists, add aliases etc., you will need to login to the administrative account of the mail domain you wish to manage via SmarterMail.
Where do I manage my mail domain?
You may access the login screen for SmarterMail (as pictured below) by going to the any of the following URLs:
http://mail.choghosting.com
http://mail.yourdomain.com
Alternate port:
http://mail.choghosting.com:8383
http://mail.yourdomain.com:8383

The administration menu is located at the top right of Webmail interface:

Menus:
Email accounts - displays all the accounts/aliases for the mail domain and allows you to make modifications to the existing accounts/aliases and add or delete email accounts/aliases
Mailing Lists - Add and manage mailing lists
The following menus are domain wide settings. Any changes made here will be applied to all email addresses under the domain you are logged into.
Domain Content Filtering - Manage content filtering (this should not be considered spam or virus filtering)
Domain Folder Auto-Clean - Manage auto-clean settings
Following menu items only apply to the email address that you are currently logged into and are not domain wide settings. These menu items are available to all email addresses.
My Settings - Manage the account you are currently logged into (password changes, forwarding, display settings, etc...)
My Auto-Responder - Set an auto-responder for the email address you are currently logged into
My Content Filtering - Manage content filtering for the email address you are currently logged into
My Folder Auto-Clean - Manage folder clean-up settings for the email address you are currently logged into