I actually tried one of the trial accounts tonight. You can't use the mailboxes. EDIT: No trades. - Edit 1
Before modification by Aemon at 01/07/2011 02:20:37 PM
Turns out there's no mailbox and no trade access for trial accounts. I suppose this is a necessary step to combat gold farmers, but it's a little frustrating when you're playing with friends in a party and can't pass items around.