Re: forged/spoofed help

--- Magnus B�¿½ck <magnus@dsek.lth.se> wrote:
> On Friday, May 07, 2004 at 17:39 CEST,
> Look again. What you need does not require Postfix 2.1, 2.0, or even
> 1.1. FILTER_README is the document to read, and do remember that your
> Postfix ships with the file, so you can always consult your own copy to
> get accurate information.

Great, I found the file locally and it does look very similar to the
web's README,

http://www.postfix.org/FILTER_README.html

> Short example:
>
> master.cf:
> 1.2.3.4:smtp ... smtpd -o content_filter=foo:baz
> 5.6.7.8:smtp ... smtpd -o content_filter=bar:baz
>
> 1.2.3.4 and 5.6.7.8 are the two IP addresses you want Postfix to listen
> on. Let your internal users connect to 1.2.3.4 and let foo be the name
> of the content filter for them.

Similar to the above URL's ''Filtering mail from outside users only''
section, what does 1.2.3.4/5 really mean ? Sorry if I'm being dense,
but again I'm just trying to filter all _incoming_ mails irrespective
of IP address and exclude everything else. Assume my IP address is
216.18.0.69 and I can use the 127.0.0.1 to point to myself how do I
go about setting up the master.cf entries ?

Again sorry if I'm just not seeing the obvious - but the example seemed
to be filtering on specific external IP addresses where-as I want do it
on ALL external IP addresses and simply exclude out-bound internal mails
being sourced from 127.0.0.1

I'll look into how to setup the content filters (and the specification
format - ie. foo:baz) later.

Regards,

.tf.




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