Banning aalpha.org?

This guy, aalpha.org, has been breaking several rules, like posting in a Job Offer forum thread without actually being interested in the job:

…and there was a reported PM a while back that aalpha.org sent that was basically spam as well:

To: ajcates
From: aalpha.org
Re:

You may contact a livefreelancer at website http://www.livefreelancer.net/

Most of this guy’s posts just include links to livefreelancer.net and some other site, but his/her first ever post looks someone legitimate, since it was kind of a bid on some project.

Ideas?