Forums like this are continually bomberded by spam bot software. The reason you don't see the stuff is due to measures I've set up. However, they do keep trying to get in!
If you are in Russia, on gmail, or meltmail but are a real person who wants in the forum, just go into my web site by the American Roads link at the top of the page, and look up my Contact information. Email me, tell me your interests in this forum and in the site, and I'll let you into the forum.