Jeff Peng via Postfix-users:
> On 2024-06-23 20:24, Wietse Venema via Postfix-users wrote:
> > Jeff Peng via Postfix-users:
> >> Hello
> >>
> >> I saw gmx.de/web.de have a policy that, if the submission IP is not
> >> from
> >> DE/EU, messages will be routed to a different gateway which is listed
> >> in
> >> spamhaus already. Otherwise if submission client's IP is in DE/EU,
> >> messages will be routed out via the normal gateway whose IP is clean.
> >> How to customized my own transport for that?
> >
> > You can configure customized SMTP clients in master.cf, each with
> > an appropriate smtp_bind_address setting, and use transport_maps
> > to choose between those clients.
>
> Thanks Wietse. other than binding multi-IP on a same host, is it better
> to have multi-geobased-MTAs for incoming messages?
My response was a joke. It's the kind of useless answer that an AI
would produce.
Wietse
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