These
links are good sources of information that can help you
use Exchange Sentry to it's fullest.
DNS Stuff and
Sam Spade- Good reference sites.
Both can query many public blackhole
servers. Useful to look up owners of IP addresses
and many other interesting things to do with an IP address.
The history of spam, by Tech TV.
The
lyrics of the song that started it all, and the actual
song itself (Real audio format).
101 Things to do with a spammer (Funny, PG Rated)