SpamTestBuddy 0.92

SpamTestBuddy is a simple, light-weight, multiple-input spam scoring tool.

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Free To Use But Restricted
Jem Berkes
ROOT \ Communications \ Email Filters
1 SpamTestBuddy Screenshot:
SpamTestBuddy is a simple, light-weight, multiple-input spam scoring tool. SpamTestBuddy project is standalone and can be used with simple procmail rules without root access or daemons. Features built-in support for simple DNS checks including DNSBL (DNS-based blocklist) queries, and can scan headers from filters such as SpamProbe, QSF, DSPAM that you already use.

The configuration is flexible and easy to edit in a human readable file. Different tests can add or remove from the total score.

(I am not trying to re-invent SpamAssassin. That is a very powerful piece of software with all the features you need. It is also somewhat large and is a greater challenge to install. SpamTestBuddy will just help you bring together existing scores from filters you already use, with a few useful extra tests thrown in. For an all-in-one solution, try SpamAssassin).

Tested under Linux, FreeBSD, and NetBSD.


1) Combining more than one external filter:

If you have a number of filters that output a numeric probability or score, you can combine them together using +TestHeaderFloat and make a decision on the total (floating point) score. Examples of filters which integrate seamlessly are SpamProbe, QSF, DSPAM, CRM114.

2) Querying DNSBL (DNS based blocklists, real time lists) or local IP files:

Typically this is done by mail servers at the time of mail receipt. However, there are advantages to doing these "RBL" lookups later. SpamTestBuddy will let you query multiple real-time lists for fresh data on known spam sources, abusive networks, etc. You can combine the results with your other statistical body-reading filters. You can also use TestFileIP to look up the IP in a local text file, such as a custom whitelist or blacklist.

3) Reducing false positives from other filters:

You can use SpamTestBuddy as a secondary filter to interpret existing scores differently. Alternatively, you can make a more conservative configuration by combining scores. This may be helpful for revisiting classification errors

4) Parsing the IP address of the sender

The IP address of the SMTP server which relayed mail is always visible in the Received headers, but parsing and extracting the correct IP address is hard to do reliably with procmail recipes alone. SpamTestBuddy can pick out the correct address by applying SkipReceived, a list of networks you define to consider local and ignore. The resulting IP address is conveniently displayed in the new X-SpamTestBuddy header, simplifying your procmail recipes.

What's New in This Release:

· This is the first public release of this software.
· The configuration file was enhanced for ease of use.
· DNSBL (RBL) support was added.

Last updated on January 16th, 2007

#spam scoring #mail filter #procmail rules #SpamTestBuddy #spam #scoring #DNS

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