Dockermail

Easy mail service in docker containers.

The setup is modular and has:

core - base SMTP and IMAP server
opendkim - adds DKIM signing service for outgoing mail
amavis - adds incoming SPAM filter
setup - initial setup and management tools

Features:

SSL/TLS IMAP and SMTP
Support for multiple domains
Support for wildcard aliases
OpenDKIM signing
Anti Spam filtering

Please see the README in each folder for more information.

Getting started

Check out this post: Easy private email hosting with dockermail

Config changes

New version has replaced the previous collection of flat files with a single config.json file, please see core README for details on syntax. You will need to update your configuration to upgrade to new dockermail version.

SPAM

Although OpenDKIM is optional, it will really help your messages across spam filters. See opendkim folder for more info on setting it up.

You should also add PTR record to your IP (aka Reverse DNS) which is done by your server provider.

And finally, generate and add an SPF record to your domain, search for instructions on this - there are a few generator site around and the setup steps depend on your domain name provider.

You can test your configuration using the excellent mail-tester.com service.

Compose

Assuming you follow READMEs to set up all the containers, you should just be able to run:

docker-compose run setup
docker-compose up -d

This will spin up all the containers and link them together, easy!

Images on DockerHub

Automated builds of the images are available here:

Core: https://hub.docker.com/r/adaline/dockermail-core/
OpenDKIM: https://hub.docker.com/r/adaline/dockermail-opendkim/
Amavis: https://hub.docker.com/r/adaline/dockermail-amavis/

Coming soon

Testing

License

hheimbuerger/dockermail

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