Great Circle Associates List-Managers
(December 1995)
 

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Subject: More forged subscription spams via eagle.ais.net, and a fix
From: Brent @ GreatCircle . COM (Brent Chapman)
Date: Wed, 27 Dec 1995 23:24:46 +0100
To: list-managers @ GreatCircle . COM
Cc: majordomo-users @ GreatCircle . COM

Well, I just received yet more forged subscription spams via eagle.ais.net,
this time from (so far):

        eidos <eidos@winternet.com>
        vrebello <vrebello@aol.com>
        gitm <gitm@netcom.com>

I'm tired of this game, so I've implemented a quick fix, which should be
useful by those others of you that are using Majordomo.  First, get the
file:

        ftp://ftp.greatcircle.com/pub/list-managers/filter.shar

That file contains a short perl script called "filter".  You use "filter"
by installing it in your Majordomo program directory (same directory as
contains the "majordomo" and "resend" scripts), making it executable, and
then changing your /etc/aliases entries as follows.  First, rename your
original "majordomo" alias to "majordomo-real" (i.e., change the line that
starts "majordomo:" to start "majordomo-real:").  Then, add a new
definition for "majordomo:" like this:

        majordomo: "|/usr/local/mail/majordomo/wrapper filter
                -f slime@scum.earth.net -f fool@happy.com
                -r eagle.ais.net
                -p majordomo-owner majordomo-real"

This will cause any message containing "slime@scum.earth.net" or
"fool@happy.com" in the "From:" line, or "eagle.ais.net" in any "Received:"
line, to be punted to the address "majordomo-owner"; all other messages
will be forwarded on to "majordomo-real" (which is your real Majordomo
processing alias).  You should be able to specify any number of "-f", "-r",
or "-p" arguments.


-Brent

----------------------+----------------------------+------------------------
Brent Chapman         | Great Circle Associates    | 1057 West Dana Street
Brent@GreatCircle.COM | http://www.greatcircle.com | Mountain View, CA 94041
----------------------+----------------------------+------------------------
                   Internet Tutorials from the Experts!




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