Hi Victor,
Sorry for my less info in last mail.
I currently have 3 nodes as postfix servers.
One is the main server which accepts messages from clients via submission.
The main server routes messages out via another postfix (a or b) by the setting
of relay_host.
For now I want to route messages by sender domains. So I was asking the info
here.
Can you give further help?
Thanks.
September 13, 2024 at 9:04 AM, "Viktor Dukhovni via Postfix-users"
<postfix-users@postfix.org> wrote:
>
> On Fri, Sep 13, 2024 at 12:11:43AM +0000, Marcus Park via Postfix-users wrote:
>
> >
> > I have two domains in my system, say they are a.com and b.com
> > I want the sender (sasl user) in a.com to use postfix-a as outgoing mta.
> > and b.com uses postfix-b as outgoing server.
> >
> > How can I implement this? you could kindly give a hint, for which I
> > can research by myself.
> >
> This is impossible to answer, you've provided no information about the
> mail flow prior to the required relaying via postfix-a and postfix-b.
>
> --
> Viktor.
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