Explosion in uk.geocities.com spam

[Kenneth Porter]

Lately I've been seeing quite a bit of uncaught spam with a link to 
uk.geocities.com.  Using 3.1.0 release with net tests. Here's my "uncaught" 
(false negatives) folder for October (which I feed nightly into sa-learn):

<http://home.sewingwitch.com:8000/Stuff/Uncaught-200510.mbox>