the defs are in the junkmail manual
https://www.declude.com/searchresults.asp?Cat=109

IPNOTINMX - The IPNOTINMX test is good for helping reduce false
positives. By default, Declude JunkMail will subtract several points
from the weighting system when an email does not fail this test (which
is very different from the way a spam test normally works). WARNING: The
IPNOTINMX should NOT be used to detect spam! It will be triggered when
an email is sent from an IP address that is not in its MX record.
Although this test will catch a lot of spam (perhaps 80%), it will also
catch a lot of legitimate mail (as quite a few larger mailers will send
their mail through a different mail server than they use to receive
mail).

NOLEGITCONTENT - Like the IPNOTINMX test, the
NOLEGITCONTENT test is good for helping reduce false positives. By
default, Declude JunkMail will subtract several points from the
weighting system when an email does not fail this test (which is very
different from the way a spam test normally works). WARNING:
The NOLEGITCONTENT test should NOT be used to detect spam! It will be
triggered Declude JunkMail does not detect any legitimate content in an
email. NOTE: Some legitimate email will fail this test, but almost all spam
will fail it.

The best 'test' is a 'combo' test where it takes several unrelated tests to
fail before you wack the email w/a penalty.

-Nick

MadRiverAccess.com|Skywaves.com Tech Support
US/Canada 877-873-6482 or International +1-802-229-6574
Emergency Support 24/7: supp...@skywaves.net
General and Non-Emergency support ticket:
https://www.skywaves.com/content/secure/support_ticket.htm




----------------------------------------

From: "IMail Admin" <imailad...@bcwebhost.net>
Sent: Friday, April 08, 2011 1:38 PM
To: Declude.JunkMail@declude.com
Subject: [Declude.JunkMail] How do you use NOLEGITCONTENT and IPNOTINMX





In
all this work on inv-uribl, I realized that my system scores 0 for
NOLEGITCONTENT and IPNOTINMX.  I
would just be following the default, so that leads to the question: what is
the
purpose of these tests and do other people assign them
scores?




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