New members should get a welcome message in their Inbox welcoming them to the site, explaining that this is where you get messages from other users and telling them to try to Tour de SixLinks guide.
SixLinks Developers' response:
We're still working on the verbiage of the message, some users have received a manual version of this email. Your feedback is welcome!
Have you ever sniffed a dog's butt? No? Why not? It's awesome!