On Fri, Aug 30, 2013 at 3:48 PM, John Peach <post...@johnpeach.com> wrote:
> On Fri, 30 Aug 2013 15:43:01 -0400 > Jean-Sébastien Nicaise <jsnica...@gmail.com> wrote: > > [snip] > > > > I'm hoping for something simple like: user sends an email. Postfix looks > at > > MAIL FROM. Is the email address part of $mydomain? if so, relay mail. If > > not, don't relay mail. > > You really, really do NOT want that. Anyone can then spoof your address > and you are an open relay. > > > > -- > John > PGP Public Key: 412934AC > How would restricting local users make me an open relay?
