Reporting the tripod sites to Lycos and shutting them is indeed more important than blacklisting the tripod sites - Agreed. But a quick extract of the HTML pages shows that the 179 tripod pages seem to only redirect to a total of 8 sites currently - those should get blacklisted. The current set is (not the same as the ones I saw earlier):
<snip list>
I'm going to block these sites and the IP block(s) involved, but I don't see there being much pointin blocking them in a SURBL unless these sites themselves, and not a redirector, appear in the message bodies of spam.
I'm seriously considering a SpamBouncer 2.2 enhancement that checks for and follows redirects, and checks *those* sites against the SBL and other appropriate lists. (And SB internal data, of course.)