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---
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title: 'Advanced | Full-Text Search'
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---
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## Overview
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Full-text search allows all messages to be indexed, so that mail clients can quickly and efficiently search messages by their full text content.
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The [dovecot-solr Plugin ](https://wiki2.dovecot.org/Plugins/FTS/Solr ) is used in conjunction with [Apache Solr ](https://lucene.apache.org/solr/ ) running in a separate container. This is quite straightforward to setup using the following instructions.
## Setup Steps
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1. `docker-compose.yml` :
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```yaml
solr:
image: lmmdock/dovecot-solr:latest
volumes:
- solr-dovecot:/opt/solr/server/solr/dovecot
restart: always
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mailserver:
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image: mailserver/docker-mailserver:latest
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...
volumes:
...
- ./etc/dovecot/conf.d/10-plugin.conf:/etc/dovecot/conf.d/10-plugin.conf:ro
...
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volumes:
solr-dovecot:
driver: local
```
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2. `etc/dovecot/conf.d/10-plugin.conf` :
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```conf
mail_plugins = $mail_plugins fts fts_solr
plugin {
fts = solr
fts_autoindex = yes
fts_solr = url=http://solr:8983/solr/dovecot/
}
```
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3. Start the solr container: `docker-compose up -d --remove-orphans solr`
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4. Recreating the mailserver container: `docker-compose up -d`
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5. Flag all user mailbox FTS indexes as invalid, so they are rescanned on demand when they are next searched: `docker-compose exec mailserver doveadm fts rescan -A`
## Further Discussion
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See [#905][github-issue-905]
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[github-issue-905]: https://github.com/docker-mailserver/docker-mailserver/issues/905