>On Mon, 11 Nov 2002 tsh@??? wrote:
>
>> dnslists says it checks whether the 'calling host' is in the list.
>> What exactly is the calling host? Is it the domain of the envelope-sender?
>
>No, it's the *host* that is sending the message. Nothing to do with the
>domain.
>
>However, I've diagnosed your problem. Your MX record does not point to
>your host:
>
>mrc-lmb.cam.ac.uk. MX 7 ppsw.cam.ac.uk.
>ppsw.cam.ac.uk. A 131.111.8.12
>ppsw.cam.ac.uk. A 131.111.8.13
>ppsw.cam.ac.uk. A 131.111.8.14
>
>The RBL checking is happening in ppsw.cam.ac.uk, before it passes
>messages on to you.
Oh of course! I should have twigged that after your 1st reply.
So I can turn mine off then because if the msg passes thro a relay,
the host is then the relay and RBL blocking wouldnt work on
downstream MTAs anyway. Does that mean that ppsw *has* to do it?
Thanks again,
T.
