submission failed (you are posting comments too quickly)
Been hit with these submission failed errors recently
Example error and url
submission failed (you are posting comments too quickly) - http://autobody-vacuumforming.com/concept-e-car-with-reflector-augmented-pv-modules/trackback/
Comments
Another similar one, this time on a blog. Error and url
02:13:17: [-] 760/821 submission failed (comment flood protection is enabled.) - http://www.catching-a-moment.eu.com/blog/index.php?showimage=402
Need something like SB slow poster to post for such blogs.