Marco Giardini:
> * Wietse Venema <wie...@porcupine.org> [2009-11-26 12:20:19 -0500]:
>
> > Marco Giardini:
> > > I have a barracuda server that receives mails, filter them and forward
> > > to a
> > > linux system running postfix.
> > >
> > > Both machine have a public IP (static).
> > >
> > > The linux system is configured to be used as SMTP for sasl authenticated
> > > users as well, besides to be used as SMTP for the people on $mynetworks
> > > (permit_mynetworks in the smtpd_recipient_restrictions).
> > >
> > > Unfortunatley, some spammers, have found it and use to spam local
> > > recipients
> > > using the linux machine, avoiding so to be filtered through the barracuda
> > > system.
> > >
> > > I'm wondering if there is a way to allow OLNY local users or users
> > > belonging
> > > to the domains hosted by the linux server to use SMTP.
> >
> > To permit only local systems (incl. barracuda box), or users that
> > have a relationship with your server:
> >
> > smtpd_recipient_restrictions =
> > permit_mynetworks permit_sasl_authenticated reject
> >
> > Wietse
>
> i do use:
> smtpd_recipient_restrictions =
> permit_mynetworks
> permit_sasl_authenticated
> reject_unauth_destination
I wrote:
vvvvvv
permit_mynetworks permit_sasl_authenticated reject
^^^^^^
Wietse
