On Fri, 23 Jan 2004 19:50:55 -0600, Richard Rauch <rkr@olib.org> wrote:
> 
> Someone addressed some spam to "sales@olib.org", it seems.  That didn't
> exist, so Postfix replied "no such user".  But the sender disconnected,
> and it appears that Postfix then tried to transmit the message in a
> separate connection.
> 
> As it happens, the connecting IP seems to match what was used for the
> attempted return-message.  But shouldn't Postfix have discarded the
> message during the early SMTP handshake, rather than accepting mail
> for an invalid user and trying to (re)send it?

Richard, 

Perhaps you could attach the chunk of the log you're looking at?  I'm sure
experienced Postfix folks will be able to tell you if you're
interpretation is correct, and explain what's going on.  FWIW, I doubt
Postfix is misbehaving.  

--jkl