mail-in-a-box/mailinabox — pull request #251 by Jonty (2014-10-22 19:16:02+00:00)
Title: Add support for fast searching via Solr

This installs and configures Solr running under Tomcat and configures
Dovecot to use the dovecot-solr plugin for all search and indexing.

This dramatically improves search performance on large mailboxes.