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 DSPAM 3.6 Final Release Candidate (Development)
Section: Unix

 

Added: Mon, Apr 14th 2003 11:43 UTC (5 years, 4 months ago) Updated: Sun, Mar 18th 2007 12:35 UTC (1 year, 5 months ago)


Screenshot About:
DSPAM is a server-side statistical anti-spam agent for Unix email servers. It masquerades as the email server's local delivery agent and effectively filters spam using a combination of de-obfuscation techniques, specialized algorithms, and statistical analysis. The result is an administratively maintenance-free, self-learning anti-spam tool. DSPAM has yielded real-world success rates beyond 99.9% accuracy with less than a 0.01% chance of false positives.

Release focus: Minor bugfixes

Changes:
An infinite improbability drive has been added to display odds ratios in an X-DSPAM-Improbability header. The license has been bound to GPLv2, moving forward as a precaution. The css_drv driver has been renamed to hash_drv (hash driver). Minor tokenizer changes have been made to improve accuracy and address small tokenizer tricks. Minor changes to the delivery summary have been made. Legacy algorithm switches have been removed from autoconf. Additional autoconf and options have moved into dspam.conf.

Author:
DSPAM Project [contact developer]

Rating:
8.57/10.00 (18 votes)

Homepage:
http://dspam.nuclearelephant.com
Mailing list archive:
http://dspam.nuclearelephant.com/dspam-users/

Trove categories: [change]
[Development Status]  5 - Production/Stable
[Intended Audience]  Developers, System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  Unix
[Programming Language]  C
[Topic]  Communications :: Email :: Filters, Internet, Text Processing :: Filters

Dependencies: [change]
No dependencies filed

 
Project admins: [change]
» DSPAM Project (Owner)
» DSPAM Project (Owner)

» Rating: 8.57/10.00 (Rank N/A)
» Vitality: 0.16% (Rank 1103)
» Popularity: 13.65% (Rank 117)

project statsdownload stats
(click to enlarge graphs)
   Record hits: 124,989
   URL hits: 70,569
   Subscribers: 361

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 Branches

Branch Version Last release License URLs
Development 3.6 Final Release Candidate 29-Sep-2005 GNU General Public License (GPL) Homepage

 Releases

Version Focus Date
3.6 Final Release Candidate Minor bugfixes 29-Sep-2005 00:27
3.6 Release Candidate 2 Minor bugfixes 22-Sep-2005 21:34
3.6 Release Candidate 1 Minor feature enhancements 14-Sep-2005 15:32
3.6-BETA 2 Minor feature enhancements 30-Aug-2005 14:39
3.6-Beta 1 Major feature enhancements 14-Aug-2005 08:22
3.5.3 Minor feature enhancements 03-Aug-2005 14:44
3.5.2 Minor bugfixes 16-Jul-2005 03:55
3.5.1 Minor bugfixes 28-Jun-2005 17:45
3.5.0 Major feature enhancements 19-May-2005 18:28
3.4 Preview Release Major feature enhancements 08-Mar-2005 18:59

 Articles referencing this project

 Comments

[»] Cpanel support?
by dkaufman1 - Dec 6th 2006 00:27:26

I spent some time on the nuclearelephant site, reading the FAQ and the Readme, as well as exploring.

I had a question that I could not find answered and didn't see any forums, maybe I missed them.

As your FAQ noted, SA is out of date and being circumvented to an alarming degree. My server is a shared server running the Cpanel suite and I was looking for an "installation for dummies" type checklist. (Sorry I am what I am.)

I can FTP the files up and create a MySQL database with users and assign permissions, but I am a little lost at a lot of the other cmd line functions. Does a step by step install for this type of environment exist?

Thanks for your patience.





[reply] [top]


[»] Can't make heads or tails
by Matthew - Jan 30th 2006 21:06:59

The documentation for dspam is almost non-existant. How frustrating. I had to make sense of things from the usergroups.

[reply] [top]


    [»] Re: Can't make heads or tails
    by Nuclear Elephant - Jan 30th 2006 23:15:47


    > The documentation for dspam is almost

    > non-existant. How frustrating. I had to

    > make sense of things from the

    > usergroups.

    Hi! Have you checked the doc/ directory, which is full of
    documentation for various types of integration, or the very
    elaborate README? How about the online FAQ, or the many
    links to HOWTOs on the website?

    [reply] [top]


[»] 3.1.2 is a recommended upgrade, especially with pgsql
by MDaniel - Sep 8th 2004 18:14:04

I have upgraded to every 3.1.x release, and am by far the happiest with 3.1.2. They fixed a bunch of stuff, especially concerning the postgresql backend.

My false positive rate has plumetted.

[reply] [top]


[»] In production, stellar performance
by Doug Bostrom - Jan 24th 2004 20:29:52

We've been using DSPAM at a small ISP for the past 4 months and it's performing admirably. Not only is DSPAM eerily accurate at eliminating spam while avoiding false positives, but the training process is easy enough for the archetypal "grandma".

Read documentation on permissions very carefully. As with any statistical despamming method, be prepared with decent spam and nonspam corpus material to feed DSPAM on setup if you want instant results.

[reply] [top]


[»] Using on production server
by dethro - Jun 11th 2003 03:20:36

Dspam is working great for me. I have about 12 users, it works very well for a small set like this. I tried spamassassin also, but found too many exceptions had to be made for each user to avoid false positives.

Dspam is very new, it should get even better. I think the dspam_corpus tool needs some work, it doesn't work as smoothly as you'd think it would. In the docs there needs to be more examples of how to incorporate Dspam into your MTA. Only Sendmail and Exim are shown, and only one example of each. There needs to be many more MTA examples.

[reply] [top]


[»] Looks promising
by Shaman - Apr 17th 2003 13:25:59

I'm evaluating this product... looks very
promising to me.

All the best, hopefully you will attract some
like-minded developers.

[reply] [top]


    [»] Re: Looks promising
    by Gilgongo - Apr 20th 2003 09:20:11

    I agree - we've been using Spamassassin for about 18 months now, and while it's extremely good, it's not really set up to allow users (non-technical ones) to train their databases very easily. This is mainly becase it requires the spam/ham to be present on the mail server you're training. We use POP3, which effectivly makes this impossible. The DSPAM model of allowing users simply to forward spam to the engine is simplicity itself. Also, using Spamassassin we've come to realise that unless filters are heavily customised to the individual user, the number of false positives is just too high to use conventional heuristic filters. And setting the spam score higher just means more spam gets through - and usually just the worst kind. Bayesian is the way to go we think. We're going to have a very good look at DSPAM.

    --
    Gone are the days when you could say "Those were the days."

    [reply] [top]




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