messages per day from @samp{random-address@@vmadmin.com}, you block
@samp{vmadmin.com}. If you get 200 messages about @samp{VIAGRA}, you
discard all messages with @samp{VIAGRA} in the message. If you get
-lots of spam from China, for example, you try to filter all mail from
-Chinese IPs.
+lots of spam from Elbonia, for example, you try to filter all mail
+from Elbonian IPs.
This, unfortunately, is a great way to discard legitimate e-mail. For
instance, the very informative and useful RISKS digest has been