Not a solution but a few thoughts since we have LN here as well.
Domino servers add a hell of headers to email messages that might
confuse the Bayesian engine.
Forwarding internet mail from one LN account to another DESTROYS RFC2822
headers. Copying preserves.
LN clients can access IMAP mailboxes (sort-of undocumented hidden
feature). sa-learn can be fed through a call from fetchmail accessing an
IMAP mailbox+folder. (I think the latter is documented in the Wiki.)
You may widen the autolearn thresholds so that fewer messages are fed
automatically to the Bayes DB.
Another issue I have is that we have 2 loadbalanced exim servers for
tagging spam,
yet I would like to keep the bayes DB the same on both hosts. Did anyone
ever come
up with a solution to this problem?
Yes, a RDBMS backend for the Bayes database (MySQL here). Otherwise you
might elect one server as "master" and align DBs nightly (spamd
restart!). Or stay with mis-aligned Bayes DBs: if your servers route a
lot of msgs/day (n*10k) and are round-robin balanced, they'll be
statistically identical. Same goes for AWL, if used.
HTH,
Paolo
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