This is very handy for forwarding to blackberry or other email addresses.
- Active Directory User & Computers
- Create one mail enabled Contact for each external address
- Specify the external SMTP address for each
- Create a mail enabled group (Global Distribution)
- Specify the email address for the group (everyone@domain.com)
- Add each mail enabled contact to the list
- Double click the user you wish to setup the forwarder for
- Exchange General Tab
- Delivery Options
- Forward To
- Choose the group you just created
Note: You can hide the contact from the GAL (Global Address List)
- Exchange Advanced Tab
- Hide From Exchange Address Lists
Note 2: You can make your distribution groups accessible to everybody(internal/external) or to internal users or specific internal users
- Exchange General
- Message Restrictions
- From Authenticated Users or
- Everyone
- Only From/Except From