Okaay well i have a samsung highlight phone from t-mobile and i have texting on it.But everytime i try to text numbers like for radio contests and stuff it won't let me.It says : Free Msg: Receiver (the number i try to text) unable to receive message-Message Blocking is active. So i went on tmobile.com and tried to unblock it but theres no website or anything to let me do it.And this has been going on for about a month.Pease help!!!