Re: Strange situation with NAT and sendmail [ FIXED ]

2001-10-16 Thread Leif Neland
> > I did a tcpdump on the NAT box on network A - it never records any incoming > packets destined for port 25 whatsoever. However, it does record incoming > packets for port 81 (the administration web server for the mail server.) > > Therein lies the answer. It would appear that the ISP providin

Re: Strange situation with NAT and sendmail

2001-10-15 Thread The Psychotic Viper
Hi, On Mon, 15 Oct 2001, Matthew Emmerton wrote: > The problem I'm having is that I cannot connect to the mail server on > network A (10.0.0.2) from any machine behind the NAT gateway on network B. The mailserver is BEHIND the NAT box on network A? If so does your NAT do any form of forwarding?

Re: Strange situation with NAT and sendmail [ FIXED ]

2001-10-15 Thread Matthew Emmerton
> On Mon, Oct 15, 2001 at 07:28:49PM -0400, Matthew Emmerton wrote: > > I've got two networks -- A (10.0.0.0/24) and B (192.168.0.0/24), both > > behind NAT gateways. > > > > The problem I'm having is that I cannot connect to the mail server on > > network A (10.0.0.2) from any machine behind the

Re: Strange situation with NAT and sendmail

2001-10-15 Thread Lars Eggert
Matthew Emmerton wrote: > I've got two networks -- A (10.0.0.0/24) and B (192.168.0.0/24), both > behind NAT gateways. > > The problem I'm having is that I cannot connect to the mail server on > network A (10.0.0.2) from any machine behind the NAT gateway on network B. > However, any system on

Strange situation with NAT and sendmail

2001-10-15 Thread Matthew Emmerton
I've got two networks -- A (10.0.0.0/24) and B (192.168.0.0/24), both behind NAT gateways. The problem I'm having is that I cannot connect to the mail server on network A (10.0.0.2) from any machine behind the NAT gateway on network B. However, any system on network B can successfully ping the g