From: Noel Jones (njonesmegan.vbhcs.org)
Date: Tue Jan 03 2006 - 14:22:22 CST

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At 01:45 PM 1/3/2006, Thomas Burns wrote:

>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:

Yes, postfix will let anyone connect because they may be
sending mail to you. Postfix will only allow clients in
your subnet to relay to outside destinations. If you want
postfix to deny all connections (and therefore not receive
mail) except from your webapp, you could use:

mynetworks = 127.0.0.1, ip.of.web.app

or adjust your firewall settings so that your box only
accepts local connections.

--
Noel Jones

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