Indicates that the server has approved our user details and we can authenticate with passport.com.
USR [Transaction] ['TWN'] ['S'] [Loginvalues] or USR [Transaction] ['OK'] [Account] [Name] [VerifiedPassport] [?]When the second parameter is OK this means we are succesfully connected to the messenger network. In that case, the SignedIn event is fired.
NSMessageHandler Class | XihSolutions.DotMSN Namespace