Am 09.09.2015 um 16:03 schrieb Ben Whyall:
I have a mail setup serving multiple domains that is running on ubuntu lts 14.04.03 lts. Spamassassin 3.4.0 Perl 5.18.2 Exim 4.82 We have bayes stored in a mysql database When spamassassin is run from exim, it is always returning a hit on rule Bayes_00 with a score of 0.0000, however if you run spamassassin < message, it will return a different bayes score.
sound like exim is running spamassassin as a different user and like using a different bayes
however, i observed that BAYES_xx for whatever reason *heavily* depends on Received-headers and so results are often differetn between spamc and running as milter for example
another example: in case there are no reveived headers at all bayes will never ever hit 999, put a purely random, valid received header on top and the same sample hits 999
observed that by stripa ton of headers out of our training-corpus with "formail" and rebuild bayes, hence now there is on single static Received-heaer on top of all samples and so they pass our masstests as expected
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