Thanks for the assist, I should have realized that, but I have Friday on
the brain. Excuse me while I wipe the egg off of my face :-)
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: "Steve Peace(Internal)" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, May 05, 2000 3:59 PM
Subject: Re: Connecting to my email server..
> I don't know exactly what types of NAT firewalling there are, but I'll
> assume you mean something like IPmasquerading with Port forwarding (25
> forwarded to you internal machine).
>
> You can't send packets to your external (real) IP and then have them
> come back into the network.
> For instance, my web server is inside my network. If I try to access
> www.youwasahero.com, it will time out.
> On the otherhand, my FTP server is on the firewall/gateway box, so if I
> access ftp.youwasahero.com that works, because the packets don't have to
> leave the network and then come back in.
>
> Here are your options:
> 1) Put your qmail server on the gateway/firewall machine (this is what
> I do).
>
> 2) Set up a DNS server for your internal network. Make an entry so that
> mail.int.foobar.com resolves to your INTERNAL IP address for the mail
> server. (this is how I handle my internal web server. For the real
> world DNS records, www.youwasahero.com resolves to my external (real) IP
> address, and port 80 is forwarded. For my private internal DNS server,
> www.youwasahero.com resolves to the IP address of the web server on the
> internal network, 192.168.0.5.)
>
> I hope that makes sense.
>
>
> "Steve Peace(Internal)" wrote:
>
> > First off, let me thank everyone in this mailing list for assiting me
> > in setting up my qmail server. Within about 4 weeks, I now have a
> > functioning server that will send and receive email from the internet
> > and internally. A special koodoos to Dave Sill for writing LWQ. Your
> > Document was a huge amount of help. I now have a server running on
> > RedHat 6.1 with Qmail 1.03. I seem to be having one problem. My
> > server sits behind a NAT firewall. I have 2 NICs in my server, one
> > with an internal non routeable adrress, and another with a real ip
> > address that my new ISP has given to me. I contacted my former/other
> > provider that is hosting our website and also registered our domain,
> > to get the MX records changed to point to my new mail server. This
> > has been done as far as I can tell. when I do a nslookup on
> > mail.foobar.com I get back the correct address. Also I can receive
> > email from the outside world. My problem lies with attaching to
> > mail.foobar.com. When I am behind the firewall I can attach to
> > mail.int.foobar.com and everything is working, but when I try to
> > attach to mail.foobar.com, I time out. Listed below is the output of
> > qmail-showctl. It all seems to be OK when I look at it, but I'm just
> > a newbie. Any help would be greatly appreciated.qmail home directory:
> > /var/qmail.
>
>
