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PERMIT_DOCKER=none as new default value (#2424)

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Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>
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Casper 2022-03-02 16:03:40 +01:00 • committed by GitHub
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docs/content/config/environment.md
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@ -39,7 +39,8 @@ The log-level will show everything in its class and above.
Set different options for mynetworks option (can be overwrite in postfix-main.cf) **WARNING**: Adding the docker network's gateway to the list of trusted hosts, e.g. using the `network` or `connected-networks` option, can create an [**open relay**](https://en.wikipedia.org/wiki/Open_mail_relay), for instance if IPv6 is enabled on the host machine but not in Docker.
- **empty** => localhost only.
- **none** => Explicitly force authentication
- container => Container IP address only.
- host => Add docker host (ipv4 only).
- network => Add the docker default bridge network (172.16.0.0/12); **WARNING**: `docker-compose` might use others (e.g. 192.168.0.0/16) use `PERMIT_DOCKER=connected-networks` in this case.
- connected-networks => Add all connected docker networks (ipv4 only).