Weare new to Exchange and wish to be able to allow users to create rules to send email externally. An example is the IT Helpdesk we have an account that forwards to me, but wish to also send it to one user internally and one externally. The rule works but will not send to the external account.

You'll need to allow automatic forwarding to the internet. http://technet.microsoft.com/en-us/library/aa996309(EXCHG.80).aspx Managing Remote Domains Look under "Message Format Settings "