Robert_Charlton - 9:23 am on Jun 9, 2012 (gmt 0)
So you impose an automatic penalty without giving the webmaster any chance to explain his position through a reconsideration request and then plan for a tool to let them disavow links!
Here's a link to Google's Penguin feedback form...
Feedback on our recent algorithm update ("Penguin")
If your site was affected by the "Penguin" webspam algorithm update on April 24th, 2012, and you don't think it should have been affected, please give us more details below
For further reference, in Danny Sullivan's interview with Matt Cutts on Penguin and the manual actions, Matt suggested two videos regarding manual actions. Here's a link to Danny's interview (which contains links to the videos)... and I'm also linking to the videos on YouTube....
Two Weeks In, Google Talks Penguin Update, Ways To Recover & Negative SEO
May 10, 2012, by Danny Sullivan
"It is possible to clean things up," Cutts said, and he suggested people review two videos he’s done on this topic:
When are penalties lifted?
Does Google take manual action on webspam?