What are spam zombies?
August 19, 2009 by admin
Spam zombies are computers of end users who were compromised by malicious code in general, such as worms, bots, viruses and Trojans. These malicious code, once installed, they allow spammers to use the machine to send spam without the user's knowledge. While using compromised machines to perform their activities, hampering identification of the origin of spam and authors as well. The spam zombies are much exploited by spammers, to provide both the anonymity that protects them.
Source: Nic.br
I think its important people Raise awareness of the problems of sending spam.