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110 lines
3.1 KiB
Markdown
110 lines
3.1 KiB
Markdown
# docker-mailserver
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[](https://travis-ci.org/tomav/docker-mailserver)
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A fullstack but simple mail server (smtp, imap, antispam, antivirus...).
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Only configuration files, no SQL database. Keep it simple and versioned.
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Easy to deploy and upgrade.
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Includes:
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- postfix with smtp auth
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- courier-imap with ssl support
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- amavis
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- spamassasin supporting custom rules
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- clamav with automatic updates
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- opendkim
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- opendmarc
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- [LetsEncrypt](https://letsencrypt.org/) and self-signed certificates
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- optional pop3 server
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- [integration tests](https://travis-ci.org/tomav/docker-mailserver)
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- [automated builds on docker hub](https://hub.docker.com/r/tvial/docker-mailserver/)
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Why I created this image: [Simple mail server with Docker](http://tvi.al/simple-mail-server-with-docker/)
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Before you open an issue, please have a look this `README`, the [FAQ](https://github.com/tomav/docker-mailserver/wiki/FAQ) and Postfix documentation.
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## Usage
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# get latest image
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docker pull tvial/docker-mailserver
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# create a "docker-compose.yml" file containing:
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mail:
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image: tvial/docker-mailserver
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hostname: mail
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domainname: domain.com
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# your FQDN will be 'mail.domain.com'
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ports:
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- "25:25"
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- "143:143"
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- "587:587"
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- "993:993"
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volumes:
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- ./spamassassin:/tmp/spamassassin/
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- ./postfix:/tmp/postfix/
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# start he container
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docker-compose up -d mail
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## Managing users and aliases
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### Users
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Users are managed in `postfix/accounts.cf`.
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Just add the full email address and its password separated by a pipe.
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Example:
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user1@domain.tld|mypassword
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user2@otherdomain.tld|myotherpassword
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### Aliases
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Please first read [Postfix documentation on virtual aliases](http://www.postfix.org/VIRTUAL_README.html#virtual_alias).
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Aliases are managed in `postfix/virtual`.
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An alias is a full email address that will be:
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* delivered to an existing account in `postfix/accounts.cf`
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* redirected to one or more other email adresses
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Alias and target are space separated.
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Example:
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# Alias to existing account
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alias1@domain.tld user1@domain.tld
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# Forward to external email address
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alias2@domain.tld external@gmail.com
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## Environment variables
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* DMS_SSL
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* *empty* (default) => SSL disabled
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* letsencrypt => Enables Let's Encrypt certificates
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* self-signed => Enables self-signed certificates
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* ENABLE_POP3
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* *empty* (default) => POP3 service disabled
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* 1 => Enables POP3 service
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Please read [how the container starts](https://github.com/tomav/docker-mailserver/blob/master/start-mailserver.sh) to understand what's expected.
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## SSL
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Please read [SSL.md](SSL.md) for more information.
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## Todo
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Things to do or to improve are stored on [Github](https://github.com/tomav/docker-mailserver/issues), some open by myself.
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Feel free to improve this docker image.
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## Contribute
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- Fork
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- Improve
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- Add integration tests in `test/test.sh`
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- Build image and run tests using `make`
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- Document your improvements
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- Commit, push and make a pull-request
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