Date: Wed, 19 Nov 1997 13:06:26 -0700 (MST) From: Charles Mott <cmott@srv.net> To: chat@freebsd.org Subject: Re: Mail spam, sigh... Message-ID: <Pine.BSF.3.96.971119125857.5181A-100000@darkstar.home> In-Reply-To: <199711191931.LAA08665@kithrup.com>
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On Wed, 19 Nov 1997, Sean Eric Fagan wrote:
> For the most part, the sendmail rules I sent out a while back are good
> enough, don't require a fixed IP address, and don't require you to get an AS
> number (which is the case if you go th egated route). Quoth Paul, "wouldn't
> you rather just use DNS?"
Thanks to you and J. Bresler for explaining this. I just checked the DNS
method for a few known spam addresses and it works amazingly well.
I would have to agree that Vixie would not want to have hundreds of
distinct home autonomous systems talking BGP with his router. Even if
Paul wouldn't let me connect, I still am intrigued with having my own AS
number. It would analogous being in a Cessna 172 waiting for takeoff
clearance with all these huge jets around you.
-- Charles Mott
>
> Once again, the sendmail rules are (for the m4 file):
>
> LOCAL_CONFIG
> FR-o /etc/sendmail.cR
>
> LOCAL_RULESETS
> Scheck_rcpt
> # anything terminating locally is ok
> R< $+ @ $=w > $@ OK
> R< $+ @ $=M > $@ OK
> R$+ @ $=w $@ OK
> R$+ @ $* $=M $@ OK
>
> # Anything originating locally is ok
> R$* $: $(dequote "" $&{client_name} $)
> R$=w $@ OK
> R$=M $@ OK
> R$@ $@ OK
>
> # Anything else is bogus
> R$* $#error $: "550 Relaying Denied"
>
> Scheck_mail
> R$* $: $(dequote "" $&{client_addr} $)
> R$-.$-.$-.$- $(host $4.$3.$2.$1.rbl.maps.vix.com. $:OK $)
> ROK $@ OK
> R$+ $#error $: 5.1.3 $@ "Mail from " $(dequote "" $&{client_addr} $) " refused, see http://maps.vix.com/cgi-bin/lookup?" $&{client_addr}
>
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