Forwarding an email to an external address is really very easy in a UNIX/LINUX based Email Server but in exchange server its a little bit tricky task. Follow the under given steps and there will be no problem in creating a forwarder in exchange server;
First, you'll need to create a mail-enabled contact:
Open the "Active Directory Users and Computers" tool. Expand the organization, highlight the "Users" folder, and right-click; from the pop-up menu, select "New, Contact."
In the "New O...