> -----Original Message----- > From: owner-postfix-us...@postfix.org [mailto:owner-postfix- > us...@postfix.org] On Behalf Of Noel Jones > Sent: Friday, January 10, 2014 10:33 AM > To: postfix-users@postfix.org > Subject: Re: two routers into postfix > > On 1/10/2014 9:18 AM, Andy Rowe wrote: > > Hello: > > > > I have a production mail / web server for a couple very low volume > > domains. (CentOS 6.4, apache, postfix) I have a production exchange > > server for another small domain. I want to set the CentOS server up to > > serve mail to its current clients as well as act as a gateway for > > content filtering for the Exchange server. I set up a lab server to > > test configurations and have everything working well. I've transferred > > the set up to the production CentOS server and everything seems to > > work. > > > > I have two DSL connections, each with its own router and static IP. > > Each router has a pinhole configured to forward traffic on port 25 to > > one of the two servers. While testing, I could change the IP address > > for the pinhole configured on the Exchange server's router to the lab > > server and mail traffic would flow to the lab server. It would serve > > mail to its own clients as well as except mail for the exchange server > > and relay it after filtering. Now when I try to configure the pinholes > > of both routers to send port 25 to the CentOS production server, mail > > from one router continues to flow but the other does not. When I try > > to telnet into the server through the one router's IP, it times out. > > > > Firewall issues and other non-postfix related trouble aside, is there > > any reason this shouldn't work? > > This isn't a postfix problem. Two DSL routers to a single server creates a > complex routing problem. Basically the server doesn't know which router a > connection comes from, so connections from the non-default router will > always fail. > > There are multiple ways to solve this, but AFAIK none are simple, and some > solutions may cause other problems. Ask for more help on a support list for > your operating system. > > > -- Noel Jones
Thanks, I just wanted to confirm this wasn't a postfix issue
