Knowledged base

http://kb.deru.net/?View=entry&EntryID=94 - Exim

iptables -I INPUT -p tcp --dport 25 -j ACCEPT

http://forums.cpanel.net/f5/hunt-spammers-find-who-sent-spam-nobody-34195.html
http://www.layeredtech.com/forums/showthread.php?t=75

http://66.90.111.132:7700/
http://www.webhostgear.com/396.html
http://www.webhostingtalk.com/showthread.php?t=227645