GetUserAliasesString()
From Rackspace Email & Apps API
This function will report the aliases that exist for a domain.
Input Parameters
Three strings, one output string:
Administrative username, Administrative password, Domain name,
List of aliases (comma delimited list of aliases that exist on the domain)
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.
