I just enabled a third party service called Akismet that filters posts for SPAM. I use it on quite a few other sites I manage and it works well. Hopefully it will solve our recent problems with spammers since we have risen in the search engine rankings.
Cheers,
Speed
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So far it seems to be working. We had a rash of SPAM messages for a few days that I manually deleted, but I haven't seen anything since we put Akisment in place.
Good job. I'll add the next level of SPAM protection over the weekend, which will probably require a captcha to be solved each time everybody logs in to deter the bots.
Apparently getting more popular on Google has its downsides.
I will be working on the site today and will put some more measures in place. The problem is that the more anti-spam protection I put in place the more steps it will take people to join the site and to make posts.