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Welcome to the Documentation for docker-mailserver!
!!! info "This Documentation is Versioned"
**Make sure** to select the correct version of this documentation! It should match the version of the image you are using. The default version corresponds to the `:edge` image tag - [the most recent build, not the most recent stable release][docs-tagging].
This documentation provides you not only with the basic setup and configuration of DMS but also with advanced configuration, elaborate usage scenarios, detailed examples, hints and more.
About
docker-mailserver, or DMS for short, is a production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.). It employs only configuration files, no SQL database. The image is focused around the slogan "Keep it simple and versioned".
Contents
Getting Started
If you're completely new to mail servers or you want to read up on them, check out our Introduction page. If you're new to DMS as a mail server appliance, make sure to read the Usage chapter first. If you want to look at examples for Docker Compose, we have an Examples page.
There is also a script - setup.sh - supplied with this project. It supports you in configuring and administrating your server. Information on how to get it and how to use it is available on a dedicated page.
Configuration
We have a dedicated configuration page. It contains most of the configuration and explanation you need to setup your mail server properly. Be aware that advanced tasks may still require reading through all parts of this documentation; it may also involve inspecting your running container for debugging purposes. After all, a mail-server is a complex arrangement of various programs.
!!! important
If you'd like to change, patch or alter files or behavior of `docker-mailserver`, you can use a script. Just place a script called `user-patches.sh` in your `./docker-data/dms/config/` folder volume (which is mounted to `/tmp/docker-mailserver/` inside the container) and it will be run on container startup. See the ['Modifications via Script' page][docs-userpatches] for additional documentation and an example.
You might also want to check out:
- A list of all configuration options via ENV
- A list of all optional and automatically created configuration files and directories
!!! tip
Definitely check out the [FAQ][docs-faq] for more information and tips! Please do not open an issue before you have checked our documentation for answers, including the [FAQ][docs-faq]!
Tests
DMS employs a variety of tests. If you want to know more about our test suite, view our testing docs.
Contributing
We are always happy to welcome new contributors. For guidelines and entrypoints please have a look at the Contributing section.