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Subject: Re: Preventing email abuse
From: Ralf Hildebrandt (news-list.postfix.usersinnominate.de)
Date: Tue Jun 20 2000 - 02:15:09 CDT

On 19 Jun 2000 23:45:45 +0200, Marco d'Itri <mdlinux.it> wrote:

>Except if you have a cable modem. Then you will relay for most (if not
>all) cable modem users in the world, because they are assigned IPs in
>the 24.0.0.0/8 netblock.

In this case, check it with
% postconf | grep mynetworks

and set mynetworks to some sensible setting, like
mynetworks = 24.x.y.z/32
in main.cf
like this
% postconf -e mynetworks=24.x.y.z/32 

-- 
Ralf.Hildebrandtinnominate.de
                                                          innominate AG
                                                      networking people
fon: +49.30.308806-44 fax: -77  web: http://innominate.de  pgp: /pgp/rh