Well it’s official the Yahoo! Feedback loop is now officially up and running. NOTE that your mail must be DomainKeys or DKIM signed to apply for this service.

Return Path is once again at the helm, managing this for Yahoo! along with several other popular ISP FBLs we talked about before.

With this addition the total for Return Path hosted FBLs is now six; Comcast, Cox, USA.net, Excite, Mailtrust and now Yahoo!.