lutz.niede...@gmx.net:
> > lutz.niede...@gmx.net:
> > > The mails going to the uucp transport are going into the world.
> >
> > Wietse:
> > You are sending mail to some other host, and want Postfix to use
> > the smtp_fallback_feature when that host is down.
> >
> > Why does Postfix believe that it is MX host for the destination?
> > Something seems to be very wromg to me.
> >
>
> relayhost is the right way to send mails to my smarthost, correct? This
> works. My setup knows where to send mails not for mydestination.
> (Or should I better use default_transport for that?)
>
> The machine we are talking about is MX for all the domains that
> belong to me (=mydestination). And exactly the way relayhost is
> sent mails to the world they should be sent to the fallback_relay
> if that relayhost is down.
Why are you MX host for a domain, and then sending its mail to the
relayhost? That does not seem right.
If you do that, then simply turn off DNS lookups in the SMTP client
that sends to the relayhost.
/etc/postfix/main.cf
relay_transport = no_dns_smtp:example.com
/etc/postfix/master.cf:
no_dns_smtp .. ... .. .. smtp
-o disable_dns_lookup=yes
Wietse
