How do you deal with unwanted email forwards?

We’ve all been there: you open up your inbox to find an email with a subject like Fwd: Fw: FWD: VIRUS WARNING!!! You open it up, and after scrolling through countless layers of nested email headers, you find:

> >>>> A new virus WOBBLER is on the loose. It will arrive on
> >>>> e-mail entitled
> >>>> "Howto Give a Cat A Colonic" (Junk Mail).  IBM and AOL
> >>>> have announced
> >>>>  that it is very powerful. There is no remedy.
> >>>>
> >>>> It will eat all your information on the hard drive and
> >>>> also destroy
> >>>> Netscape Navigator and Microsoft Internet Explorer.
> >>>>
> >>>>  DO NOT OPEN ANYTHING with this title and please pass
> >>>> this message on
> >>>> to all your contacts and anyone who uses your e-mail
> >>>> facility.

Chances are, the virus warning or announcement that Bill Gates is sharing his fortune was sent by a well-meaning person, probably someone you care about. So how do you respond without hurting their feelings? On the June 11 episode of Spark, Merlin Mann will explain how to deal with junk email from people you love.

How do you deal with unwanted email forwards? Leave you tip in the comments below.