From: Wietse Venema (no email)
Date: Tue Jan 03 2006 - 15:17:06 EST
Thomas Burns:
> Hi,
>
> I am having what I imagine is a really simple problem configuring
> postfix to relay mail. I am trying to set up a postfix server that
> will relay mail (newsletters) for a webapp. The relay server is
> running on a different server than the webapp. So, it needs to
> accept connections from the local subnet (or specific addresses,
> whichever is easier to setup). I am using version 2.0.10 (what ships
> with OS X 10.4).
>
> In main.cf, I set:
>
> mynetworks_style = subnet
> smtpd_client_restrictions = permit_mynetworks, reject
>
> With the above setup, postfix is still letting anyone on the internet
> connect. I am not sure it is relevant, but the master.cf line for
> smtpd is:
>
> 2525 inet n - n - - smtpd
>
> Any ideas on what I am missing?
To block connections from elsewhere, consider using a packet filter.
Wietse
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