C# code for Lists retrieval
it.mailupnet.services.MailupSend myService = new it.mailupnet.services.MailupSend();
string s1 = myService.LoginFromId(user, password, myConsoleId);
...//extract accessKey value
string s2 = myService.GetLists(accessKey);
...//extract errorCode value from s2
if (errorCode == 0)
{
// executing return message parsing to retrieve all the MailUp lists
// that are currently available in the administration console
}