[isp-dns] Re: MX record need help please.

[Len Conrad <LConrad@...]

> I am trying to set up a mail gateway/filter and forward the mail to a inside
> mail server all my users are using
> mail.mydomain.com
anydomain.com.  mx 10 mail.mydomain.com.

right?

>  for there main incoming
> and outgoing mail server and I am trying to avoid changing 2000 mail clients
> settings I have set up the MX to point to the gateway/filter box but outside
> mail never reaches there
what is in the SMTP log of the gateway?

> and I get no errors the email just dissapears. If I
> can get the mail to the gateway I am sure it will forward to the main
> server. Anyone know why this setup isn't working ??
do you have a valid A record for mail.mydomain.com that is the IP of the 
gateway box?

Len

These Ips are routable I am just using the 192.168.0.X for this example.

> mydomain.com.                                    IN NS
> ns1.mynameserver.com.
> ftp.mydomain.com.                               IN A    192.168.0.4
> webmail.mydomain.com.                      IN A    192.168.0.4
> www.mydomain.com                           IN A    192.168.0.4
> mail.mydomain.com.                            IN A    192.168.0.8      (our
> main mail server)
> mydomain.com.                                   IN MX  10
> mypostfixbox.otherdomain.com. (Gateway box using postfix and a ip of
> 192.168.0.7 but the FDQ is in another domain)
ah, you can't use RFC1918 private ip's for public servers.  192.168/16 is a 
non-routable network

Len