Daily Comcast users send 100 mln valid messages, 700 mln spam e-mails

An engineer from Comcast admits to news.cnet.com the company's e-mail servers are being overrun by messages generated by the users with viruses and backdoor trojans on their machines. 100 mln of e-mail messages originated from Comcast servers in a single day, while 700 mln are generated by some other software tools.