I keep getting this on my blog whenever anyone tries to post comments. please help!!!
'WP-Hashcash Check Failed
If you are using Google Web Accelerator, a proxy, or some other caching system, WP-Hashcash may not let you comment. There are known issues with caching that are fundamentally insoluble, because the page being written to you must be generated freshly. Turn off your caching software and reload the page. If you are using a proxy, commenting should work, but it is untested.
Your POST variables are: Array ( [author] => [email] => [url] => [comment] => Wont Newcastle be in the bottom half of the table? [submit] => Submit Comment [comment_post_ID] => 19 )
This comment has been logged, and will not be displayed on the blog.'