I think the simplest mechanism would be to not allow a new account to post a second time until it had received a reply to its first post.
Since no one replies to spam, that would prevent having to chase down and reap the 10 or 15 posts that they often manage to post before they are locked.
It would also prevent the fairly frequent occurrence of newbie first-post, re-posts.
In reply to Re: The recent spam wave
by BrowserUk
in thread The recent spam wave
by metaperl
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