Groupwise itself is an awful interface, and I have no idea why any organization would use it, especially since there is no practical way of forwarding emails to another email address, or another mailing app. GW Mailbox allows the only easy way to access Groupwise on the smart phone. At $12 a year, however, one has to ask what kind of kickback might exist to line the pocket of Groupwise...
hirenny about GW Mailbox, v3.0