No -- I'm pretty sure it's a worm. Of the 20 copies I've received --
in just the last 3 hours -- only three have been via the NANOG list.
On the bright side, Spamassassin 2.63's default settings seem to kill
this one. In fact, it was only by accident that I even noticed them.
--Steve Bellovin, http://www.research.att.com/~smb