Re: [Exim] bug report: exim accepted IP address in MX record

On Mon, Mar 01, 2004 at 01:58:36PM +0000, Philip Hazel wrote:

> > I'm using exim 4.30 + exiscan on Fedora core 1.
> >
> > # exim -bP allow_mx_to_ip
> > no_allow_mx_to_ip
> >
> > # exim -bt info@???
> > info@???
> > router = dnslookup, transport = remote_smtp
> > host 213.41.158.196 [213.41.158.196] MX=0
> >
> > I thought exim was supposed to notice this error and refuse to route
> > this address. I was looking at my mail logs, and I noticed this
> > problem when one of my downstreams, running courier-mta, rejected a
> > message from <info@???> which exim had accepted.
>
> 1. Please check your routers. I get
>
> $ exim -bt info@???
> info@??? is undeliverable:
> all relevant MX records point to non-existent hosts or (invalidly) to
> IP addresses
>
> 2. Please check your nameserver. I am using bind. If you are using
> another dns server I think there is at least one that does this
> automagically behind your back.

Well yes, I'm using dnscache. It simply returns the IP address, as
Nigel said in his post. So is there any way to configure exim to
reject messages from these domains (other than to use the bogusmx zone
of rfc-ignorant and manually submitting such domains) ?

--
Anand Buddhdev
Celtel International