Comcast Blocks Port 25

[Prometheus]

Comcast, the nation's largest cable provider and self-proclaimed "biggest spammer on the internet", may finally begin "targeted" blocking of some users' outgoing port 25/tcp traffic to help reduce spam. The tactic, discussed at length in a previous BBR report, has grown in popularity among ISP's; particularly with the increase of infected PC's acting as unwitting spam relays.



Full Story!