On Jul 3, 2005, at 13:04, Tony Johansen wrote: > Is there such a thing as software or a script that can return > suspicious > e-mails to their point of origin that would make them look like they > were > undelivered? Any kind of reply would contain _some_ information. Hence, the best reply to spam is no reply at all. Read your ISP's FAQ; they already have info on the subject, as well as their own server-side spam filter. > Some of these people are very evil. I had one recently that tried to > get my > credit card details. It's useful to make a distinction betweem "spam" (the electronic equivalent of junk or bulk mail) and "phishing", which is what you describe. See <http://en.wikipedia.org/wiki/Phishing> <0x0192>