GetUserMailForward()
From Rackspace Email & Apps API
This function will return a list of forwarding addresses for a user and report whether the user ID is configured to keep a copy of each message it is forwarding.
Input Parameters
Four strings, one result string, and one result integer:
Administrative username, Administrative password, Domain name, User name,
Forward email list (comma delimited list of addresses to forward mail to) Save copy (int, 1 for save, 0 for don't save)
Return Values
If successful, the return value of the function will be 1.
Consult the Result Code Table for a list of result codes and their meaning.