blacklisted IP - my setup?

[Tim Johnson]

See http://www.spamrats.com/lookup.php?ip=64.4.232.191

Is there something wrong with my headers and if so, how do I correct
it?

thanks
-- 
Tim 
tim at tee jay forty nine dot com or akwebsoft dot com
http://www.akwebsoft.com, http://www.tj49.com