Performs simple connection level round-trip testing. Verifies the specified authentication credentials without the need to call another operation. Add a user alias Add a domain Add a org Add a user Delete a user alias Delete a domain Delete a org Delete a user Display domain information Display org information Display email org spooling information Display user information Get org report List domain information List org information Retrieve a list of users meeting arbitary criteria Modify domain information Modify org information Modify user information Suspend a user