Internet -> Mailscanner -> Exchange 2000

[Furnish, Trever G]

Which is to say the DNS comment simply doesn't apply to you, since you're
not using dns on your firewall or mailscanner to decide how mail gets
routed.

> -----Original Message-----
> From: Ugo Bellavance [mailto:ugob at LINUX.CA]
> Sent: Friday, August 08, 2003 5:04 AM
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Re: Internet -> Mailscanner -> Exchange 2000
>
>
> >Ugo Bellavance wrote:
> >> would an entry in /etc/hosts would do the work, since I
> don't want to
> >> setup a dns server just for that?
> >>
>
> >Surely you already have DNS, otherwise how does your mail get to you?
>
>
> My MX DNS record gives the address of my external firewall
> (1.2.3.4, for
> example), which does NAT and forwards trafic on port 25 to my
> MailScanner
> mail server, which would be, for example, 192.168.1.2 and
> then MS server
> sends the filtered messages to my internal firewall
> (192.168.1.3), which
> forwards the packets to the Microsoft Exchange server.
>
> We are a small office (8 users), so we use basic networking equipment.
>