D?vis Mos?ns:
> piektd., 2024. g. 2. aug., plkst. 02:46 ? lietot?js Wietse Venema
> (<wie...@porcupine.org>) rakst?ja:
> >
> > D?vis Mos?ns via Postfix-users:
> > > ceturtd., 2024. g. 1. aug., plkst. 09:10 ? lietot?js Wietse Venema via
> > > Postfix-users (<postfix-users@postfix.org>) rakst?ja:
> > > >
> > > > Davis Mosans via Postfix-users:
> > > > > Hi,
> > > > >
> > > > > I'm trying to setup Postfix in a way that will forward/relay all mail
> > > > > on SMTP port 25 but send out (don't forward) email when receiving on
> > > > > submission port 465.
> > > >
> > > > You cant to receive email on port 465 and want to send that out to
> > > > the internet? That requires that the SMTP clients have relay
> > > > permission (permit_sasl_authenticated, reject).
> > > >
> > > > You want to receive email on port 25 from local systems, and forward
> > > > their messages to the internet? That requires that local SMTP clients
> > > > have relay permission (permit_mynetworks, reject_unauth_destination).
> > > >
> > > > You want to receive email on port 25 from the internet and want to
> > > > forward messages for specific destinations? See Configuring Postfix
> > > > as primary or backup MX host for a remote site",
> > > > https://www.postfix.org/STANDARD_CONFIGURATION_README.html#backup
> > > >
> > > > You want to receive email on port 25 from anywhere on the internet
> > > > and want to forward messages to anywhere on the internet? Don't do
> > > > that.
> > > >
> > >
> > > None of that is what I want. Also it's not about permissions, those work
> > > fine.
> > > What I want is forward incoming email on port 25 to internal email
> > > server but at same time deliver outgoing email from port 465 and that
> > > shouldn't be forwarded to internal server.
> >
> > You don't need two instances for that. One will do just fine.
> >
> > - Receive email on port 465 and to send that out to the internet.
> > That is handled by the smtps or submissions example in master.cf.
> > No transport map needed. Just remove the '#' from those lines.
> >
> That's the issue, transport map I have:
> transport_maps = lmdb:/etc/postfix/transport
> with:
> * smtp:internal.example.org
>
> It's used for both cases.
>
> > - Receive email on port 25 from the internet and forward messages
> > for specific destinations? That involves a transport map and
> > relay_domains as described in
> > https://www.postfix.org/STANDARD_CONFIGURATION_README.html#backup
> >
>
> I want forward/relay all incoming mail for all domains not just few.
> But even with this approach it doesn't work as in mail from
> submissions port is still forwarded which is not what I want.
> I tried:
> transport_maps = lmdb:/etc/postfix/transport
> relay_domains = $mydestination lmdb:/etc/postfix/relay
> relay_recipient_maps =
> relay_transport = relay
>
> and /etc/postfix/relay with:
> * -
>
> and /etc/postfix/transport with:
> * relay:internal.example.org
If you must route mail for ARBITRARY DESTINATIONS depending on what
service it was received with, then in many cases you will need
separate Postfix instances.
Wietse
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