Regarding the tripod spams, Raymond posted some SpamAssassin rules on the Users list there:
body PROLO_LEO1 /85,45|1,21/ body PROLO_LEO2 /69,95|3,33/ body PROLO_LEO3 /99,95|3,75/ uri PROLO_LEO4 /http://.*.tripod.com/ meta PROLO_LEO_M1 (PROLO_LEO1 && PROLO_LEO2 && PROLO_LEO3 && PROLO_LEO4)
score PROLO_LEO1 0.1 score PROLO_LEO2 0.1 score PROLO_LEO3 0.1 score PROLO_LEO4 0.1 score PROLO_LEO_M1 8
describe PROLO_LEO1 Meta Catches all Leo drug variations so far describe PROLO_LEO2 Meta Catches all Leo drug variations so far describe PROLO_LEO3 Meta Catches all Leo drug variations so far describe PROLO_LEO4 Meta to catch Leo now using Tripod describe PROLO_LEO_M1 Catches all Leo drug variations so far
and he mentioned that the SARE rules would be updating to catch these also.
Jeff C. -- Don't harm innocent bystanders.