We generallyAt the moment we do this through Bugzilla; a rule that looks good is taken by the dev team and checked into theSVN SVNin rulesthe file {{rules/70_testing.cf}}developer's sandbox, whereby a distributed group of contributors will test it against their corpus in the nightly and "preflight" mass-check runruns. The resulting collated accuracy data can be viewed at \[http://wwwbuildbot.pathnamespamassassin.comorg/~corpusruleqa/ this site\].