1) Register on http://www.intramessenger.net/phpbb2/
2) Confirm registration (clic on link you will get by email)
3) Choose this server address : http://www.intramessenger.net/im-phpbb2/ in IntraMessenger.
OR
1) Register on http://www.intramessenger.net/phorum/
2) Confirm registration (clic on link you will get by email)
3) Choose this server address : http://www.intramessenger.net/im-phorum/ in IntraMessenger.
You can choose one of this two servers to register, it's the same database, so you can add contact both them.
or
