You can create a mail-enabled user. Mail-enabled users appear
in the address lists, and your mailbox-enabled users can send
e-mail to mail-enabled users. However, messages sent to
mail-enabled users will not be stored on your Exchange servers.
On the Start menu, point to
Programs, point to Administrative Tools, and then
click Active Directory Users and Computers.
In the console tree, expand the Windows 2000 domain.
Right-click the folder that will contain the new mail-enabled user,
point to New, and then click User.
In the New Object-User dialog box, in First name,
Initials, Last name, and User logon name, type
the user's information, and then click Next.
In Password, type a password for the new user. Confirm
the new password by re-typing the password in Confirm
Password. Select the password options that apply, and then
click Next.
Click to clear the Create an Exchange mailbox check box.
The alias, server, and mailbox store selections appear dimmed.
Click Next, verify the information for the new user, and
then click Finish.
In the details pane, right-click this new user, and then click
Exchange Tasks. In Exchange Task Wizard, click Next,
select Establish e-mail addresses, and then click
Next.
In Alias, verify the alias, and then click
Modify.
In the New E-mail Address dialog box, select an e-mail
address type, and then click OK.
In the e-mail address type Properties dialog box, in
E-mail address, type the e-mail address information for the
type you selected in the previous step, click Apply, and
then click OK.
In Exchange Task Wizard, in External E-mail Address,
verify the e-mail address, and then click Next.