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As the previous configuration only opened some ports, receiving mail was
impossible. This allows NSM to open the required ports directly,
ensuring that none was missed.
SECURITY:
As all other options than SSL are still disabled, this change should not
introduce unencrypted mail transfer.
This has not been tested.
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This should reduce the log spam even further.
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This should clear the logs somewhat.
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Before, new certs were requested at every rebuild.
This caused issues due to letsencrypt ratelimiting.
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This reverts commit ecb274ba49042f1dfdf63b9c54ff6920f24a9a58.
It may be a security-risk, but I care much more about a running
mailserver for now.
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The old one, could have exposed a weak hash.
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The hardware settings are (somewhat) host specific, and putting them in
`system` just builds the wrong expectations.
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The old values did work, but these should just make things a bit
clearer.
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It is sort of standard to ignore connections over the unencrypted port
25, thus we are doing the same.
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I just think this is easier to read.
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This is something that just makes the file system easier to traverse, but
isn't really necessary.
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As outlined in commit 19f0808, placing a password hash in the world
readable nix-store is perfectly safe as long as the hashing function is
not reversible, which should be a necessity for a password hash.
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All users are in the wheel group, thus direct login as root is no longer
needed.
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This is inherently unsafe because it requires an unencrypted handshake.
Considering that all protocols also work directly with TLS i.e., the
encrypted variant, disabling this shouldn't be a drawback.
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We used the domain name instead of the host name, which obviously
doesn't work for multiple host. In addition to that I changed some
directory to make importing easier and enabled the "nix-command" and
"flakes" experimental options, to make the `nix flake check` command
usable.
Refs: #15
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Nix flakes make a lot of things very easy.
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