On Thu, 2009-04-09 at 10:07 +0200, Arnt Gulbrandsen wrote: > Using a DB2-like backend will boost multmailbox searches for more and > more varied queries than just a lucene-like index. But the lucene-like > index will be really fast for an important subset of queries (such as a > simple SEARCH BODY x for all the user's mailboxes). Just one point: Using Lucene or pretty much anything else for SEARCH TEXT or SEARCH BODY violates RFC 3501, since they can't do substring searches. SEARCH FUZZY helps here.
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