On Sun, 25 Apr 2010 09:08:22 +0300 Patrick Chemla <[email protected]> wrote:
> Hi, > > I am running a smtp relay for different domains, and I want to > separate all traffic. > > I would like to bind for each domain the same IP address to receive > and send messages, and it should be for each domain its own public IP > address. > > I understand that with postfix 2.7.0 multi-instances feature I can > handle separate inbound queues on one system, so each queue can have > its own IP address, but what about the outbound messages ? > > When users will post messages to relay outside, will the sending > process bind the output on the same IP interface from where it got > the message? I wonder it will be routed according to the route table > through the default interface. > > Is there a way to send through separate interfaces ? > > Thanks for help > Patrick For each instance, set the smtp_bind_address to the desired IP. see http://www.postfix.org/postconf.5.html#smtp_bind_address for details. Mihira.
