On Fri, Nov 20, 2009 at 05:04:44PM -0200, Jeronimo wrote:
> Hi,
>
> I always think that only hosts in mynetworks can do relay on my server,
> but...
> I created the following rule
>
> smtpd_recipient_restrictions =
> check_sender_access hash:/etc/postfix/dominios_permitidos,
> reject
This is a disasterously bad idea and turns you into an open relay.
> and put this on the dominios_permitidos map
> meudominio.com.br OK
DO NOT do this. Restore "smtpd_recipient_restrictions" to its correct
default value, and then start a new thread where you describe what
problem motivated you do do this.
> If I remove this last three lines the relay becomes close.
> Anyone knows how to restrict relay and only accept MAIL FROM my domain?
Set "mynetworks" correctly. Do NOTHING else. Postfix works correctly by
default. What caused you to change the recipient restrictions?
--
Viktor.
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