mirror of
https://github.com/docker-mailserver/docker-mailserver.git
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119 lines
3.6 KiB
Markdown
119 lines
3.6 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
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- clamav with automatic updates
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- opendkim
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- opendmarc (basic setup)
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- [LetsEncrypt](https://letsencrypt.org/) and self-signed certificates
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- optional pop3 server (add `-e ENABLE_POP3=1` to enable pop3 server)
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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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## informations:
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- only config files, no *sql database required
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- mails are stored in `/var/mail/${domain}/${username}`
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- you should use a data volume container for `/var/mail` for data persistence
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- email login are full email address (`username1@my-domain.com`)
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- user accounts are managed in `./postfix/accounts.cf`
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- aliases and fowards/redirects are managed in `./postfix/virtual`
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- antispam rules are managed in `./spamassassin/rules.cf`
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- files must be mounted to `/tmp` in your container (see `docker-compose.yml` template)
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- ssl is strongly recommended, read [SSL.md](SSL.md) to use LetsEncrypt or Self-Signed Certificates
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- [includes integration tests](https://travis-ci.org/tomav/docker-mailserver)
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- [builds automated on docker hub](https://hub.docker.com/r/tvial/docker-mailserver/)
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- dkim public key will be echoed to log. If you have your previous configuration, you can mount volume with it `-v "$(pwd)/opendkim":/etc/opendkim"`
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## installation
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docker pull tvial/docker-mailserver
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## build
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docker build -t tvial/docker-mailserver .
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## run
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docker run --name mail \
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-v "$(pwd)/postfix":/tmp/postfix \
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-v "$(pwd)/spamassassin":/tmp/spamassassin \
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-v "$(pwd)/letsencrypt/etc":/etc/letsencrypt \
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-p "25:25" -p "143:143" -p "587:587" -p "993:993" \
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-e DMS_SSL=letsencrypt \
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-h mail.domain.com \
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-t tvial/docker-mailserver
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## docker-compose template (recommended)
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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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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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- ./letsencrypt/etc:/etc/letsencrypt
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environment:
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- DMS_SSL=letsencrypt
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Volumes allow to:
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- Insert custom antispam rules
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- Manage mail users, passwords and aliases
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- Manage SSL certificates
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# usage
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docker-compose up -d mail
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# client configuration
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# imap
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username: <username1@my-domain.com>
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password: <username1password>
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server: <your-server-ip-or-hostname>
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imap port: 143 or 993 with ssl (recommended)
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imap path prefix: INBOX
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auth method: md5 challenge-response
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# smtp
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smtp port: 25 or 587 with ssl (recommended)
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username: <username1@my-domain.com>
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password: <username1password>
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auth method: md5 challenge-response
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# backups
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Assuming that you use `docker-compose` and a data volume container named `maildata`, you can backup your user mails like this:
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docker run --rm \
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--volumes-from maildata_1 \
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-v "$(pwd)":/backups \
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-ti tvial/docker-mailserver \
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tar cvzf /backups/docker-mailserver-`date +%y%m%d-%H%M%S`.tgz /var/mail
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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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# wanna help?
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Fork, improve, add tests and PR. ;-)
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