I'll bet they <are> genuine, but you didn't include the entire message
so I can't tell for sure.  And no, there's no way to turn this off because
if you do turn it off, you leave yourself wide open to a loop.

Nathan

On Thu, 12 Mar 1998 18:13:21 -0000 Graham.Turburville said:
>I'm getting a lot of these lately, that are not genuine.  Can I
>influence the checking process in any way?
>
>The enclosed  message, found in the  PLEASEHELP-L mailbox and shown
>under the spool ID 0009  in the system log,  has been identified as  a
>possible delivery error notice for the following reason: "Sender:",
>"From:" or "Reply-To:" field pointing to the list has been found in mail
>body.