The site has been at least temporarily and maybe permanently abandoned by the owner. As far as I know the activation link isn’t necessary in order to participate. Apparently the messaging system now has problems also. It remains to be seen if admin will correct any of these or future problems. It looks doubtful.

I'm having trouble with my email as well. Seems to be some sort of a problem. You can try contacting the administrator, but good luck with that.

The messenger hasn't worked for me in months now, and the site as a whole tends to glitch all too often. You can't see them because the messenger never worked and sent them in the first place. At this point, hope Admin resolves the glitches soon.