Comcast User Agreement allows monitoring email, IM, voice.

comcast.net — "...you acknowledge and agree that Comcast and its agents have the right to monitor, from time to time, any such postings and transmissions, including without limitation e-mail, newsgroups, chat, IP audio and video, and Web space content."See "Additional Provisions Applicable To High-Speed Internet Service" section 3b and 3c. Mar 23, 2008 View in Crawl 4