How to modify an existing email account:
Select the Email Accounts link in the Email Management row.
There are options to erase messages stored on the server, edit the email address, or remove the email address entirely.
Select View slash Edit. You may view or change the current password in the POP3 IMAP Settings row. You may also set a default webmail client by clicking Configure next to the location of your webmail address
Email Forwarding and Autoreply options appear at the bottom of the edit page. These areas allow you to configure forwarding, or add an autoreply to your email address.