Today, Stainless Steel Rat <ratinox@peorth.gweep.net> wrote:
> peorth.gweep.net exists only as an MX record.  Any regexp that matches it
> is technically a false positive because the only thing you can do with it
> is send mail to it, and `peorth.gweep.net' is not a valid mailbox.

Also, there is gnu.emacs.gnus, or comp.lang.lisp[1], which are
newsgroups. Many uucp hosts match as well.

kind regards,
Andreas


[1]  isn't this annoying? Let's see what happens if I throw in a
9.3.$)!"§$NO CARRIER
-- 
Andreas Stefan Fuchs                             in Real Life aka
asf@acm.org, asfuchs@gmx.at, asf@ycom.at         in NNTP and SMTP,
antifuchs                                        in IRCNet and
Relf Herbstfresser, Male 1/2 Elf Priest          in AD&D