Click New E-mail in the E-mail Setup
On the configuration page that you will be taken to, do
Enter mailbox name in the Email address field.
Check the Catch All box to collect email
messages sent to a nonexistent account on the mail
domain. If Catch All isn't enabled on any mail
resource running on the mailbox's mail domain, such email
message will bounce back to the sender with an error
Check the box next to MAILBOX and configure:
Password: enter password.
Comment: enter description to help identify
Discard All Incoming Mail: If you don't need ALL your incoming mail, you can configure your mailbox to discard all incoming mail.
Alias by: use this option for mass creation of
mail aliases. Enter alias names (without the @ part)
separated by ',' or ';' or 'SPACE'.
Click the Submit button at the bottom of the