DNSWL is a "white list", not a blacklist. I thought that was what you
were looking for. I use both ZEN and DNSWL. Anything in DNSWL with a
trustworthiness of "high" gets to skip greylisting for example.
I also use a couple of RHSBLs (they say whether the sender name (not
IP)) is blacklisted. You would reject even DKIM validated sites if
they were in the RHSBL.
I actually use SPF rather than DKIM, and I see lots of rejections from
that. I have not investigated how to use DKIM. I guess I will look for
a HOWTO.
-Earl
On Oct 27, 2009, at 1:36 PM, Gary Mills wrote:
On Mon, Oct 26, 2009 at 08:44:23PM -0700, Earl Killian wrote:
What about using DNSWL on the IP address? They have none, low, med,
high trustworthiness levels.
We do subscribe to Spamhaus' DNS-based blocklist. They are
invaluable, and integrate nicely with DCC. Most of our rejections
are based on their ZEN database now. However, nothing compares
with cryptographic signatures like DKIM. These prevent forgeries.
That's why we would like to make increased use of DKIM.
--
-Gary Mills- -Unix Group- -Computer and Network
Services-
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