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Date:      Thu, 20 Jun 2002 12:24:12 -0400 (EDT)
From:      randy <randy@turbowarp.net>
To:        Kirk Strauser <kirk@strauser.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Sendmail Spam RBL
Message-ID:  <20020620122106.M5335-100000@desert.turbowarp.net>
In-Reply-To: <87bsa6hu8b.fsf@pooh.int>

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On 20 Jun 2002, Kirk Strauser wrote:

>
> At 2002-06-20T14:33:00Z, randy <randy@turbowarp.net> writes:
>
> > Can it or is it really as difficult as they make it out to be?
>
> No.  It's actually pretty easy, depending on how you've set up your
> mailserver.  I'm using FreeBSD 4.6-STABLE.  Rather than writing a
> sendmail.cf directly, I copied /etc/mail/freebsd.mc to
> /etc/mail/<myhostname>.mc and edit it to my tastes.  Then it's just a matter
> of cd'ing to /etc/mail and typing 'make; make install; make restart' to
> generate a sendmail.cf file, copy it into place, and restart sendmail.  The
> advantages of this are numerous:
>
>   - Whenever FreeBSD updates some default mailsettings, incorporating them
>     into my configuration is just a diff-and-patch.
>
>   - Editing a .mc file is *way* easier than mucking about in `sendmail.cf'.
>
>   - The FreeBSD maintainers went through all the trouble of setting up an
>     easy-to-update framework, so you might as well use it.
>
Many thanks to the FreeBSD maintainers... that was too easy.  I customized
the 550 spam message to my own tastes.

Then ran the ordb test email and it must work.


> So, the big question to you is: did you do something similar, or did you
> hand-edit the sendmail.cf files?
>
> > I just want to set up spam filter for "direct useage via DNS" ... for
> > mail-abuse or ordb.
>
> I added the lines:
>
>   # DNSBL from http://www.ordb.org/
>   FEATURE(dnsbl, `relays.ordb.org', `"550 Mail from " $&{client_addr} " rejected, see http://ordb.org/"')dnl
>
> to /etc/mail/<myhostname>.  Then I typed `make; make install; make restart'
> and the system worked.

Sendmail didn't want to start by itself for some reason, though.  Oh,
well...

>
> > Do I simply add "5.123.89.192.relays.ordb.org. IN A 127.0.0.2" to my DNS
> > record for each domain?  Do I need to do anything else?
>
> What are you trying to do there?
> --
> Kirk Strauser
> The Strauser Group - http://www.strausergroup.com/
>
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