If you're using ipchains/tables I'd say you have tcp/25 allowed in forwarding chain but denied in the output chain == Rich On Wed, 30 Oct 2002, James Rich wrote: > Date: Wed, 30 Oct 2002 11:44:08 -0700 (MST) > From: James Rich <james@chowhouse.com> > To: linux-net@vger.kernel.org > Subject: unable to send email to some domains > > I have a really weird problem I can't figure out. I am unable to send > email to some networks because the destination mail server refuses to > connect. But if I connect to the mail server from a host inside my > private ip-masqueraded lan it works. Here is what happens: > > >From my mail server: > mailserver:~# telnet remote.mailserver.com 25 > Trying xxx.xxx.xxx.xxx... > telnet: connect to address xxx.xxx.xxx.xxx: Connection refused > > But if I attempt from my box that is behind the ip masquerading firewall I > get: > orion:~> telnet remote.mailserver.com 25 > Trying xxx.xxx.xxx.xxx... > Connected to remote.mailserver.com. > Escape character is '^]'. > 220 *************************************2******2**********0 > ****2002**2**0*****0*00 > > Anyone have an idea why connections from the public mail server don't work > but from inside the masqueraded lan they do? > > James Rich > > - > : send the line "unsubscribe linux-net" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
