Comcast, the nation’s second-largest Internet service provider, had its Web site and e-mail service shut down by hackers Wednesday night, affecting thousands in Tucson and millions nationwide. Comcast ...

Customers using Comcast's new high-speed Internet network experienced delays in receiving mail in the days after the last subscribers were switched over from e-mail accounts with the cable company's ...

LAS VEGAS (Reuters) - Comcast Corp., the leading U.S. cable operator, said on Monday it will integrate its e-mail and voice messaging services in a new Web-based communications center called SmartZone ...

Microsoft Corp. said Friday that some people who use its Hotmail and MSN e-mail services are not receiving e-mail sent from Comcast Corp. accounts and other Internet service providers. Brooke ...

Comcast Corp. has turned to open-source software vendor Zimbra Inc. to help supply some of the technology behind the cable provider’s upcoming free SmartZone communications dashboard for its broadband ...

Internet service provider Comcast Corp. is cutting off Internet service for some customers whose computers are being used to relay spam messages, according to a company spokeswoman. Comcast has been ...