Recently there is reported to be a new vulnerability to Windows Vista Mail exposed. Supposedly, if you click a link in an email, an attacker could execute any executable file in a folder with the same name. So if you had a folder named c:\temp and a batch file at the same level named c:\temp.bat, you could click on the link to the folder and actually have the batch file launched without asking.

In my opinion, It is not as big a deal as the reports make it. However, it does illustrate once again that you must always be very careful about what you click on in an email. Naturally if there is an attachment you should be very wary, but even links can get you in trouble. If by some remote chance you get a spam mail you are interested in-- still refrain from clicking a link. If it is fake watches you are interested, in, let the annoying spam mail be a trigger to typing "fake watches" into Google (or eBay) but never click a link. Often links will track that you clicked the link thereby labeling you a sucker to be hit up for future such trash.