Re: Postfix is spammer-friendly by default on potato and woody

[Michael Meskes]

On Thu, Nov 02, 2000 at 01:17:21PM +0100, Peter Palfrader wrote:
> It is.  For a (not so) small set of hosts. Assuming your box is 62.1.2.3 you
> will be an open relay for the entire _class_A_ net 62.

Unfortunately not just for this.

> If you do not set mynetworks postfix guesses it from the interfaces and allows
> all hosts on the classful subnets of those interfaces to relay through you.

My main.cf contains:

mynetworks=127.0.0.1/8

but still I was able to send mail using From: and To: addresses on different
networks.

Michael
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Michael Meskes
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