Make sure the header has a malformed address so that they can't come back at 
you.  ;-)  Go for it!

On Wednesday 27 February 2002 08:33 am, zscoundrel wrote:
> Ah, but now we can help them to feel our pain.  They have included two
> viable email addresses in this list.  We could give them a taste of
> their own medicine.
>
> We could use procmail in a script to forward 100 copies of some large
> text file with a title like, 'request for xxx industry email addresses'.
>   By changing each title, they would have to look at each one before
> deleting the computer generated spam.
>