Version 3.0.3 of the Akismet plugin for WordPress is now available.
This update fixes a bug that could have prevented old spam comments from being deleted, and it gives you more control over how Akismet deletes old spam comments: the maximum age and number per batch are both filterable. You can also disable Akismet’s debug logging even if you have WP_DEBUG enabled. Lastly, we’ve removed the “Check for Spam” button from the Spam folder; that just seemed reasonable.
To upgrade, visit the Updates page of your WordPress dashboard and follow the instructions. If you need to download the plugin zip file directly, links to all versions are available in the WordPress plugins directory.
Akismet 
Thanks for the bugfix!
Thank you Automattic! Akismet has taken a huge load off my back when my website gets hit by spammers.