GetUserActiveStatus()
From Rackspace Email & Apps API
This function will report the active/enabled or inactive/disabled status of a mailbox.
Input Parameters
Four strings:
Administrative username, Administrative password, Domain name, User name
Return Values
If successful, the return value of the function will be 1 if the user is "active" in the system, 0 for "inactive".
Consult the Result Code Table for a list of result codes and their meaning.