>has anyone on this list heard of an "auto-execute MIME extension"? is >this an issue? the question arose when i doubted the likelihood of >a "virus" being launched via reading an e-mail message. > >your thoughts? The closest to this I've heard of is also a potential problem with some Web Browsers. If you can invoke a sufficiently sophisticated postscript interpreter with an email message or a web graphic, you can embed code to do unintended things, since PostScript is a full language.