[Mail scanned] Re: DNS Black list

damian damian at SCIENCE.NUS.EDU.SG
Mon Oct 27 07:52:21 GMT 2003


I tried to use spamassassin. However, when I try to send a junk mail
from www.declude.com, I didn't receive any mail. But, my mail log says
sent. Any idea where did I misconfigured?

Thanks and rgds,

On Thu, 2003-10-23 at 23:25, Matt Kettler wrote:
> At 02:38 AM 10/23/2003, you wrote:
> >Not all spam is known to NJABL. Use SpamAssassin. Personally I would not
> >trust most DNS blacklists as a single source! At least do not block mail
> >just because one of the blacklists said it is spam.
> Agreed, and even more importantly, DNSBLs don't have anything to do with
> the message itself, they track the servers the message passed through.
> This is somewhat helpful, as many systems are frequent targets of relaying
> due to incompetent administration, but it does not help if the particular
> mailserver has never been abused before.
> In the last SpamAssassin rule test, NJABL (agregate) matched 57.6% of their
> spam, and 3.6% of their nonspam messages in the test.. Not bad, but there
> will still be a significant portion of spam that gets around it.
damian <damian at science.nus.edu.sg>

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