tedster - 2:23 am on May 9, 2012 (gmt 0)
This new post is asking essentially the same question - and IMO the same answer applies.
While I don't know jemois site's specific situation, I have seen a lot of sites claiming to be demoted "unfairly" for bad backlinks - and in many, many cases with enough digging, their claimed innocence often tends to disappear.
Here's a highly relevant new article from master link-builder, Eric Ward. His ideas fully line up with my own experience in recent times - and if ever there was a link expert, it's this guy (aka "Link Moses"):
Can There Really Be 85 Types Of Unnatural Links? [searchengineland.com]