Simon Brereton:
> On 2 November 2011 16:26, James Seymour <[email protected]> wrote:
> > On Wed, 2 Nov 2011 16:12:07 -0400
> > Simon Brereton <[email protected]> wrote:
> >
> > [snip]
> >> ... but if I put reject_unknown_recipient_domain there
> >> postconf.5 says it will
> >>
> >> Reject the request when Postfix is not final destination for the
> >> recipient domain, and the RCPT TO domain has no DNS A or MX record, or
> >> when it has a malformed MX record such as a record with a zero-length
> >> MX hostname (Postfix version 2.3 and later).
> >>
> >> Unless that's meant to say it will Reject the request when Postfix is
> >> not final destination for the recipient domain, ?OR the RCPT TO domain
> >> has no DNS A or MX record, or when it has a malformed MX
> >
> > No, it means just what it says it means. ?If the local Postfix instance
> > is the final destination it will accept it. ?Or if a destination for
> > the RCPT domain can be determined it will accept it. ?If the local
> > Postfix instance is not the final destination or it cannot determine
> > what is, it will be rejected.
>
> Well, I think my postulation was closer to your explanation, but
> either way it's clear now. I'll restore them above mynetworks.
The manpage text says, and really means to say, (A AND (B OR C)).
This is equivalent to ((A AND B) OR (A AND C)).
Your postulation is (A OR B OR C) which equals (A OR (B OR C)).
Note the difference with what the manpage says.
Wietse
