Re: [cobalt-users] Spam blocking

["Franklin S Werren" <fswerren@xxxxxxxxxxxx>]

Hi All

Looking at the code I used for the sendmail.cf
and the working spam RBL's I am using
There is no FEATURES in there ????


Franklin S. Werren  www.bagpipes.net   www.chautauqualake.net
www.franksradio.net http://stvef.chautauqualake.net
http://rtcw.chautauqualake.net

PS I will set up a help page for the sendmail.cf in the wery near future...
I am working on it now.... and it does work on a Raq2 as well as
a Raq 4 and 550 (to many Irons in the FIRE!!!)


----- Original Message ----- 
From: "Chris L" <clathem@xxxxxxxxxxxxx>
To: <cobalt-users@xxxxxxxxxxxxxxx>
Sent: Thursday, January 22, 2004 12:41 PM
Subject: Re: [cobalt-users] Spam blocking


> > Blocklists  take huge loads off our servers.  SpamAssassin adds huge
> > loads to our servers.
> >
>
> I agree with Jeff here. Rejecting mail using RBLs at the MTA level reduces
> CPU load and bandwidth usage. I've found that most people prefer to never
> see the spam, rather than to receive it with a modded subject line... With
> SA or other tools it's still there, and they have to see and delete it.
> Using RBL eases their minds and saves time because they never see the
spam.
>
> I use custom error messages in my sendmail.cf file on the dnsbl lines so
> that in event a legitimate message is rejected, the sender has a URL to
> relate to for answers. Unless you are using an agressive RBL like "blars",
> you really shouldnt block legitimate email traffic. My lines look
something
> like this:
>
> FEATURE(`dnsbl', `dynablock.njabl.org', `"Email rejected as spam by filter
> dynablock.njabl.org - see: http://njabl.org";')dnl
>
> >From my own experience I've found the following RBLs to not be too
> aggressive:
>
> dynablock.njabl.org
> bl.spamcop.net
> sbl.spamhaus.org
> relays.ordb.org
> list.dsbl.org
> dnsbl.njabl.org
>
> Remember these are lists I've tested and feel they work without causing
> problems with legitimate email traffic.
>
> Regards,
> Chris
>
>
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