RE: How do other e-mail admins deal with getti ng off spam lists
- From: "John Tolmachoff \(Lists\)" <johnlist@xxxxxxxxxxxxxxxxxxx>
- To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
- Date: Mon, 26 Apr 2004 09:36:34 -0700
Boy Al, you like opening a can of worms.
RBLs do have short comings.
However, they are extremely useful is used correctly.
The best approach to fighting spam is a blended approach using a weighting
system. This uses various tests, each with its own weight, do determine the
weight of the message and its legitimacy. Example, SpamCOP on my server
scores 60% of the hold weight and only 43% of the delete weight. This means
a message has to fail several tests before it is held or deleted. Currently,
there are about 90 different tests run against each message, both black and
white.
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
-----Original Message-----
From: Mulnick, Al [mailto:Al.Mulnick@xxxxxxxxxx]
Sent: Monday, April 26, 2004 9:16 AM
To: [ExchangeList]
Subject: [exchangelist] RE: How do other e-mail admins deal with getti ng
off spam lists
http://www.MSExchange.org/
That brings up an interesting argument that's been going on for many years
now. RFC == request for comments. That's not a law or even anything more
than a suggested way to play together. Who in the wide world gave the rbl
folks the *right* to enforce non-rfc following? And why? Who do they go to
to solve questions of how to translate the rfc when they have questions?
I absolutely abhor the concept of a RBL and it's use mostly because of the
implementation and it's inability to figure out when to push and when to
hold in a consistent and business-like fashion. As the next post mentions,
it's often whim of the admin. That just plain sucks IMHO and it's one
reason we've seen some of the RBL managers go out of business and start
looking elsewhere for jobs.
Maybe there should be an RFC for RBL and then we can push to force them to
adhere to comments?
</leaves soapbox>
Still, it was nice of you to post those links John.
Al
_____
From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx]
Sent: Monday, April 26, 2004 11:37 AM
To: [ExchangeList]
Subject: [exchangelist] RE: How do other e-mail admins deal with getting off
spam lists
http://www.MSExchange.org/
People, if you find out you are listed in a black list, you have to dig to
find out why. Do not just blindly ask on this list.
http://www.dnsstuff.com/tools/ip4r.ch?ip=64.221.192.56 shows you are listed
in a few well respected lists. You need to go to each link and read the
information to find out why and how to correct.
http://www.dnsreport.com/tools/dnsreport.ch?domain=nbm.org shows you have a
few DNS issues, but nothing major. However, it also shows that your server
is not configured to receive e-mail to postmaster@serveripaddress as
required by RFC, and which is used by some blacklist for notifications and
confirmations. DBL in fact is one of these, and if you would bother to look
up why DSBL has you list, you will see they have tried to contact you at
that address, but since your server does not accept it.
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
-----Original Message-----
From: Holstrom, Don J. [mailto:DHolstrom@xxxxxxx]
Sent: Monday, April 26, 2004 8:06 AM
To: [ExchangeList]
Subject: [exchangelist] How do other e-mail admins deal with getting off
spam lists
http://www.MSExchange.org/
We are on the SpamCop list and can't get off. ORDB tells me we are not an
open relay. I have reverse DNS set up. All our e-mail goes through nbm.org.
What else can I do? Change our IP address?
National Building Museum
Don Holstrom
systems administrator
401 F St, NW
Washington, DC 20001
202.272.2448
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