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Here's the procedure you'll need to follow, if you wish to submit data for the rescoring run for 3.1.0:
First, send mail to <submit.at.spamassassin.org>, and ask for a rescore-submission account if you haven't already got oneClean up the corpus of mail you intend to mass-check (see CorpusCleaning),
and get an rsync account (see RsyncAccounts). The latter can be done while mass-check is running, btw, it's not needed until the end; and the 'checking for false positives and false negatives' stage of corpus cleaning can be done afterwards as well.
It's helpful, but not required, to have some or all of the helper applications installed:
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