To ensure that your basic GroupWise system is functioning, you should create two test users and have them exchange messages.
Create test users, as described in Section 9.2.1, Assigning GroupWise Accounts to Users
Install the GroupWise Windows client to provide mailbox access on a Windows workstation, as described in Section 9.0, Installing the GroupWise Clients.
Install GroupWise WebAccess to provide mailbox access from a Web browser, as described in Section 5.0, Installing GroupWise WebAccess
After installing the software necessary to provide mailbox access, log in as each test user and exchange email messages.
(Conditional) If you encounter problems, see GroupWise 2012 Troubleshooting 2: Solutions to Common Problems.