Just trying to get my head round Groupwise Licensing.

If we want to run a GMS, current maintenance or upgrade protection
contract must be in place as it cannot be purchased standalone.

Does that mean for all the groupwise mailboxes, or just those that we'd
want to sync via the GMS?

If we needed 2000 mailboxes & 50 of those wanted GMS access, could we buy
1950 GW & 50 GW with maintenance, or would we need to buy all 2000 with