Hey folks,
Attached is an interesting forward about "SAProxy", a free and open
source POP3 proxy for Windows. It uses the excellent "SpamAssassin"
engine that many have been using on unix for years. It runs hundreds of
tests on each incoming message to determine a "spam score".
I personally use SpamAssassin on my Linux mail servers in order to have
highly accurate spam detection for all users on mail servers.
Mid-Pacific Institute will soon transition to such a mail server. I can
help you configure a spam blocking site-wide Linux mail server for your
school too, please let me know if interested.
I haven't tried SAProxy for Windows, but the description sounds like it
can work with any POP3 mail account. It isn't feasible for multiple
users because you need to set it up on each machine for each user, but
it should protect a single user fairly well after some configuration and
tweaks.
I'll be interested to hear about experiences in trying this.
Warren Togami
[EMAIL PROTECTED]
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I'm pleased to announce the beta release of SAproxy, a SpamAssassin POP3
proxy for Windows 98, 2000, ME, and XP. (SAproxy was formerly known as
pop3proxy, we picked the new name to be a bit clearer.)
What it is:
SAproxy is an easy-to-use anti-spam solution built on SpamAssassin.
It is completely open source (Perl Artistic License) and free to use.
If you read your mail via POP3 on a Windows system, you can use
SAproxy to automatically detect incoming spam, mark it as spam, and
then your mail client can filter it into a spam folder.
Supported platforms:
SAproxy currently supports Windows 98, 2000, ME, and XP. Other
versions of Windows are not supported and have not been tested.
It also works on Unix systems and there's a command-line interface.
For the moment, you'll unfortunately need to download it via CVS and
hand-install it if you want to use it on Unix. An easier-to-install
Unix version is one of the goals.
How it works:
SAproxy works by standing between the mail client and the POP3 server,
filtering the data being passed between the two. When a mail message is
retrieved, the proxy waits to read the full message before handing it to
the client. After SAproxy has the full message, it uses SpamAssassin to
determine whether it's spam, marks the message accordingly, and then
returns the message to the client.
Getting it:
http://saproxy.bloomba.com/
Beta release:
Note that this is a beta release! That means we're still working to
make SAproxy and the documentation better.
All of the SAproxy code is in the SpamAssassin CVS tree under the
"pop3" module.
Mailing list:
A mailing list for users of SAproxy is located at
http://lists.sourceforge.net/lists/listinfo/spamassassin-saproxy/
That list is a public forum for users of SAproxy to ask usage
questions, discuss SAproxy, and provide feedback. On the Bloomba site,
there is also an address where you can send comments to the authors and
an SAproxy announcements list.
Credits:
SAproxy was developed by Dan McDonald (the project founder), Johan
Lindstrom (the original GUI), and myself (a bit of everything).
My own work on SAproxy and the web site was commissioned by Stata
Labs (who are developing Bloomba).
SpamAssassin is a trademark of Deersoft, Inc.
--
Daniel Quinlan Linux, open source, and
http://www.pathname.com/~quinlan/ anti-spam consulting
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