I unlocked the ships mailbox and repair droid the day 1.2 came out, and I just unlocked the GTN terminal last night. Does it take a little effort? Yes. Is it unreasonable? Not by any means.

To be honest, right now it makes a lot of these schematics worthless, the schematic itself is BoP, which means if you don't have someone in group that can use it, its vendor trash, and sometimes even if you do have someone that can take it, the item that the schematic crafts is also BoP, which makes it just as useless if you are a bounty hunter and you get a BoP agent medium armor item <- this is just one example, but there are quite a few more. Just a lot of waste.

I'm really curious as to what the exploit was.

I got it to work, but its very user unfriendly, be really nice if it got a fix.