Quote Originally Posted by ggochujang View Post
I've never PM'ed someone so I don't know how but I'm interested to know more lol. Pricing and if you need to tell her about part 2 in advance or not
In the leftmost column, left click on the username. Then, in the pop-up window, select Private Message.

Your mailboxes are accessed at the very top, Notifications. When you have new mail, the Notification will be brighter with a number.