We'll be releasing this feature imminently. We've been testing it for awhile now -- if you want to be a "beta" tester (english only), first, log into the site, then visit
http://www.spamgourmet.com/index2.pl?languageCode=ZZ
or secure
https://spruce.he.net/~jqh1/index2.pl?languageCode=ZZ
in advanced mode, you should see a new link underneath the feature settings. Also, there'll be a new link on the "update my address" form that you get to off the search.