Notice the word "viagra" here from your file /administrator/components/com_easyblog/includes/akismet/library.php. Is this intentional?

* <code>
* $comment = array(
* 'author' => 'viagra-test-123',
* 'email' => 'test@example.com',
* 'website' => 'http://www.example.com/',
* 'body' => 'This is a test comment',
* 'permalink' => 'http://yourdomain.com/yourblogpost.url',
* );
*
* $akismet = new Akismet('http://www.yourdomain.com/', 'YOUR_WORDPRESS_API_KEY', $comment);