Tag archive: McColo

Last November's shutdown of bot-controller-friendly hosting provider McColo had a surprisingly signficant—and long-lasting—impact on the worldwide spam problem, with some sites reporting as much as a 70 percent drop in inbound spam after McColo's connectivity was switched off. Despite claims it was a responsible ISP on the forefront of the war against spam, the reality was that McColo played host to a number of… Read More

Two ISPs, Hurricane Electric and Global Crossing, pulled the plug on a web hosting company called McColo on November 11 after receiving information about the company’s activities from the Washington Post. And in the wake of that action, anti-spam company Ironport claims spam levels have dropped by a staggering 70%. The Washington Post had spent several months investigating McColo and passed its information to the ISPs. It’s… Read More