FTS lucene and english + german mails

Felix Zielcke fzielcke at z-51.de
Mon Jun 15 18:22:31 UTC 2015


I'm currently looking over the FTS pages to enable it in my dovecot.
But I'm unsure what the best settings of the lucene plugin are, if you
receive german and english mails.
Wiki says:

textcat_conf=<path> textcat_dir=<path>: If specified, enable guessing
the stemming language for emails and search keywords. This is a little
bit problematic in practice, since indexing and searching languages may
differ and may not find even exact words because they stem differently.

On Debian libstemmer is included in the debian-lucene package.

So what settings are the best to have not the problem that exact words
can't be found?

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