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Mixmaster for Debian
--------------------
Mixmaster is both a remailer client and a remailer server. The Debian package
supports both uses while client only is default.
More information on using Mixmaster is available in the Mixmaster FAQ
available at http://mixmaster.sourceforge.net/faq.shtml
Notes for clients and remailers
===============================
It is absolutely imperative that you have current stats before attempting any
use of the remailer network. The Debian package for Mixmaster has a tool to
update stats and keyrings from pingers (individuals who collect keys and stats
and publish them for use by others).
This tool, mixmaster-update, has a few built-in stats sources. It is possible
that they are all obsolete by the time you make use of this package. In that
case configure /etc/mixmaster/update.conf and specify URLs to keyrings and
stats yourself.
mixmaster-update is usually run from cron or ip-up (you get asked by debconf).
If you did specify you want to do it manually please make sure you run it as
the remailer user (su mixmaster -c "mixmaster-update").
Both mixmaster and mixmaster-update also support user configuration besides
system-wide configuration. This is usually stored in ~/.Mix
Debian's mixmaster package is built without Nym support as that is not
considered usable by the package maintainers and upstream.
Integration with Mail User Agents
---------------------------------
Mutt on Debian is compiled with mixmaster support. You probably want to set
mixmaster = "/usr/bin/mixmaster-filter -m -S". The script mixmaster-filter
makes sure your From: header line (and other lines, consult the manual page)
are not passed on to Mixmaster. Mutt does set it! "-m" instructs Mixmaster
to read a mail message from stdin while "-S" tells it to send out the entire
pool immediatly - if you don't use it you will collect your mail in ~/.Mix/
without ever sending them (of course you may choose to run mixmaster -S at a
later time too).
[if _Your_ mail user agent also has mixmaster support, please let me know
by filing a wishlist bug on the package - PP]
Using user specific stats rather than system wide stats
-------------------------------------------------------
By default Debian's mixmaster package uses the stats and keyrings in
/var/lib/mixmaster/used-stats. They are updated by cron, in ppp-up, or
manually as configured by the system administrator.
In order to use your own stats as a user place pubring.mix, mlist.txt and
type2.list in your ~/.Mix/ directory, and add PUBRING, TYPE2REL, and TYPE2LIST
to your ~/.Mix/mix.cfg file like this:
PUBRING pubring.mix
TYPE2REL mlist.txt
TYPE2LIST type2.list
Note that type2.list is optional, but if it is there it may have a bad
influence if it does not match your mlist.txt file. Be aware that if you
don't override the global config in your local mix.cfg file the global
setting from /etc/mixmaster/client.conf will be used. Setting it in your
mix.cfg as given above and not having the file should work tho.
Notes for Mixmaster in remailer mode
====================================
You can configure mixmaster for remailer mode in
/etc/mixmaster/remailer.conf and start the daemon using the init script in
/etc/init.d. Note that mixmaster does not listen on the network, it
just processes its mail from the mailspool.
Make sure mail to your remailer address reaches mixmaster. The Mixmaster
daemon reads /var/mail/mixmaster regularly and processes its mail removing
old mails.
If you receive mail directly at this host this is probably very straight
forward. You can change the location where mixmaster should search for
new mail by setting MAILIN in /etc/mixmaster/remailer.conf. It may either
be a mbox file or a Maildir folder (with / at the end of the directory
name)
If you want to query a pop3 server for mails you can either use fetchmail or
similar or configure mixmaster to pop the mails. See
/etc/mixmaster/remailer/pop3.cfg and the mixmaster(1) manual page.
You should probably subscribe to the Remailer Operators' Mailinglist.
Subscription instructions and the archive can be found at
<URL:http://lists.mixmin.net/mailman/listinfo/remops>.
Once you are happy with everything make sure your remailer gets known by
announcing it to news:alt.privacy.anon-server and the Remailer Operators'
mailinglist.
You can also ask fellow Remailer Operators to give it a test run before
announcing it to the public on this list.
You may also want to disable your Mail Transfer Agent's logging so that there is
no trace of who used your remailer.
Please make sure you have your network operator's consent before you start a
remailer and that you handle abuse complaints in a timely and proper fashion.
-- Peter Palfrader <weasel@debian.org> and
-- Colin Tuckley <colint@debian.org> Wed, 21 Nov 2007 20:04:55 +0000
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