mailu/docs
bors[bot] 42953eb70b Merge
922: Add FAQ about clients on port 25 generating non-helpful errors r=mergify[bot] a=Nebukadneza

## What type of PR?
documentation

## Prerequistes
- [x] In case of feature or enhancement: documentation updated accordingly
- [x] Unless it's docs or a minor change: place entry in the [changelog](CHANGELOG.md), under the latest un-released version.


Co-authored-by: Dario Ernst <dario@kanojo.de>
Co-authored-by: Ionut Filip <ionut.philip@gmail.com>
..
_templates Restore VERSION_TAG template
assets Add files via upload
compose Make docs refer to the setup utility
contributors Minor changes to changelog doc
kubernetes fix some cli commands in the docs
swarm Fix typo in link
.env Add deploy settings for server
Dockerfile Remove healthcheck
cli.rst add domain cli to docs
conf.py 1.6 release notes ()
configuration.rst Fix notls typo
database.rst Added documentation for external mysql db
demo.rst Fix typo in demo.rst
dns.rst Some documentation flow refactoring and updates:
docker-compose.yml Make docker-compose.yml for setup and docs development friendly
faq.rst Merge
features.rst Add a page with features and screenshots
general.rst Fix the rst syntax for most documentation
index.rst Make docs refer to the setup utility
maintain.rst Include a doc section for external certbot
nginx.conf Build the documentation as a Docker image
releases.rst 1.6 release notes ()
requirements.txt Revert "Add a Dockerfile for buliding the docs"
reverse.rst 1.6 release notes ()
setup.rst Updated doc to reflect 1.6 release