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README: correct links for EMG and Braxo

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Daniel Brahneborg 2025-12-04 18:05:28 +01:00
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README.md
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@ -23,7 +23,7 @@ We use CMake.
- `cmake .`
- `make`
Some functions are perhaps overly general, but that is because they are taken directly from the [EMG|https://nordicmessaging.se] source code.
Some functions are perhaps overly general, but that is because they are taken directly from the [EMG](https://nordicmessaging.se) source code.
## Usage
@ -40,7 +40,7 @@ Then create a script that performs the tasks below. This can be run by cron.
1. Finally run `ufw reload` to activate the new rules.
Both the whitelist and blacklist can contain both individual IP addresses and ranges on the form a.b.c.d/e, where e is between 0 and 32.
In our own installation at [Braxo|https://braxo.se] we also sort the list of bad IP addresses and remove duplicates, between steps 1 and 2.
In our own installation at [Braxo](https://braxo.se) we also sort the list of bad IP addresses and remove duplicates, between steps 1 and 2.
This way we can easily know if something has changed, or if we can just skip the rest of the steps.
To block machines trying to attack your SMTP server sending invalid commands, you can use a command such as the one below.