On Fri, 2 Aug 1996  09:35:30 -0500 Natalie Maynor <[log in to unmask]>
said:
 
>I'm confused. I thought these  bounces were caused by somebody including
>old mail in  a new posting and  failing to edit out the  list headers in
>the old mail.
 
Yes, and this makes them look like bounces.
 
>Why would the  original sender's mail system bounce (or  throw away) the
>bounce?
 
Because, when it  IS a bounce, the  original mail system is  a gateway or
mailer.
 
  Eric