diff --git a/README b/README
new file mode 100644
index 0000000..a4ea454
--- /dev/null
+++ b/README
@@ -0,0 +1,6 @@
+These maps are free to use with the stipulation that you understand that
+they are made available with no warranty or guarantees. They could
+easily mess your spam filtering up or cause you to lose legit e-mail.
+
+We reserve the right to remove or deny access to anyone for any reason -
+including excessive downloading or other types of abuse.
\ No newline at end of file