Other vulnerabilities inherent in HTML e-mail include the ability to run Visual Basic scripts, ActiveX controls, and Macromedia flash, all of which can execute unauthorized and unsafe code.

Create your own HTML e-mail newsletter Download a newsletter template and send it to a subset of your Outlook or Thunderbird contacts--without the messages getting caught in spam filters.

The Twitter protest against Microsoft Outlook is losing steam, but the question remains: Is HTML e-mail dangerous, or is Microsoft using security as a reason not to comply with Web standards?

Yahoo used its recent "Hack Day" to springboard its opening of substantial chunks of code to software developers, highlighted by the application programming interface of Yahoo's widely-used Web e-mail ...

Important security updates have been released for the e-mail client Thunderbird and the web browser Firefox. Attackers can attack systems on which Firefox or Thunderbird is installed. The iOS version ...