How can we set Internet SMTP domains?

Advance thanx for any help

MS Exchange allows you to set up Internet SMTP domains, that you may want to accept messages for.

How to add new SMTP domain

To add new SMTP domain:

1. Go to MS Exchange->SMTP Domains menu of your Control Panel
2. Click the Add new domain icon
3. Fill in the form you will be taken to:

Hi,
I want to remove my existing SMTP domain.

Plz. help

To remove SMTP domain:

1. Go to MS Exchange->SMTP domains menu of your Control Panel
2. Click the Trash icon next to the domain you need

I want to set an existing SMTP domain as Primary.

To set an existing SMTP domain as Primary:

1. Go to MS Exchange->SMTP domains menu of your Control Panel
2. In the column Primary, click the button to enable/disable next to the desired domain

You cannot remove SMTP domain with a mailbox already created on it.