SPAM Attack!
SPAM is everywhere! When will this ever end? Never. The big thing now is to exploit the very popular Perl script FormMail. If you have ever hosted a web site on a Unix/Linux based server, you've probably either seen or used this script.
FormMail is a generic HTML form to e-mail gateway that sends the results of a form to the specified users. Version 1.6 has some well known security flaws. If you are using this script, you need to upgrade. Soon.
Matt's Script Archive: FormMail
As an alternative, there is a totally rewritten version from the nms Project:
Matt's Script Archive: nms Project