If you are running a firewall or router, check that you have UDP port 7777 open for server laanx.
By the way, using an email address as your username is an incredibly bad idea. Everyone can read it and spam you to hell, if they want. This includes net spiders, which are automated programs that infest every corner of cyberspace, just waiting for some fool to give them his email. They\'ll forward it to every spam company they know, who will send it to every single one of their affiliates, untill your inbox is so full of junk it\'ll be utterly unusuable.
...Just a thought.