1.I wonder, how did you take free test? It also did not work? Why, then, you bought full subscription?
2. How do you know that E2 works well for you?
3. Try to put IP address instead of server name.
4. About "b" parameter- this is your receiver, not mine. I have DM and "b" parameters are different for various types of receiver. Experiment with different values, maybe you will be lucky.