By default LSMTP does the reverse lookup and ONLY adds the IP if there
is a discrepancy.  I turned this off for some Owner using SPAMCop via:

smtp resolve_calls=false

...and have lost what I consider a useful feature.  Given the chance
I'd strongly resist doing this.
                                      -Kary

On 30 Jun 99, at 9:07, Edge, Ronald D quothed Sam Spade:

>You appear to be running LSMTP for Windows NT          v1.1a
>on your email server, and that may be part of your problem,
>as Sam Spade suggests that your NT based equivalent of
>sendmail is not recording the originating IP of the email.