On Wed, Oct 23, 2024 at 06:53:32PM +0200, postfixmailing--- via Postfix-users
wrote:
> I would like change Domain name of all outgoing Email:
>
> user@domainA -> user@domainB
main.cf:
smtp_generic_maps = inline:{ {@domainA = @domainB} }
If you are relaying some SMTP email inbound as well as outbound,
and to exclude inbound traffic, then apply this setting in master.cf
master.cf:
smtp unix ... smtp
-o { smtp_generic_maps = inline:{ {@domainA = @domainB} } }
...
relay unix ... smtp
...
Use the "relay" transport for inbound SMTP deliveries, and "smtp" for
outbound deliveries. This actually default behaviour if the inbound
destinations are listed in "relay_domains". But if you explicit
transport table entries, you need to be diligent about using the
right transport:
transport:
inside.example relay:inside-gw.example
outside.example smtp:outside-gw.example
--
Viktor.
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