I think only very senior members can do it such as PDF think tank members, etc. We can receive a message from them and reply, but we can't start a new message. Check with others also, but I think its that way, I've never been able to start a new message.
Pakistan Defence
Carlosa
xiao qi
yesterday, shotgun banned my ip, and i asked waz and required him open . one Chinese member uses Chinese to insult viet, and he didn't know so i comment on the thread, i only answer Chinese's question. maybe it is my wrong but it not worthy to be banned ip. i didn't use any unsuitable words