SetDomainUsersMailboxMaxSize()
From Rackspace Email & Apps API
This function will set the default maximum mailbox size for mailboxes on the domain, total extra storage associated with the domain, unallocated extra storage for the domain, as well as a list of individual mailboxes and their current max mailbox size, which takes into account any extra allocatable storage that has been added to each mailbox.
Parameters
Four strings:
Administrative username, Administrative password, Domain name, Users' max mailbox sizes (string, format: "username,size [crlf] username,size", size is in MB)
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.