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The ASF run a (very basic) archive of all the lists at http://mail-archives.apache.org/mod_mbox/ . There's also something called eyebrowse; don't use it, it's borked.
The web site
Wiki Markup /www/spamassassin.apache.org}} . It's built with webmake, which is a simple perl website building tool. The source file is called 'main.wmk'. To run webmake on minotaur, read {{build/README}} in svn, that tells you how to set up your path to use the installed copy of webmake in jm's home dir. (TODO: this will change once we fix \[http://issues.apache.org/SpamAssassin/show_bug.cgi?id=4998 bug 4998\]).
Ensure your umask is set to 002 before writing to files here – this is VERY important! We don't have root here, and screwups have to be fixed by someone on the infrastructure team who does.
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UPDATE: as of Jul 19 2006 – it's back on ajax again. 
UPDATE: Nov 23 2006 – use 140.211.11.10 port 80. ho hum. updates about hourly.
See http://www.apache.org/dev/project-site.html for the official doco.
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