Post T MultiPlayer is a computer program used to interact with, via a network, other people playing Post T Hengelo, the train dispatching simulator. Post T MultiPlayer is absolutely free. You'll be able to find dispatching sessions without knowing anyone or belonging to a 'clan'.
It is important that players get along with each other. This means several things: When you join a session, use the chat feature to announce yourself and say hello, If you get confused, ask for help! You're guaranteed to learn a lot about railway dispatching.