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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 | 
|  | Nix flakes make a lot of things very easy. |